IP Flow Information Export (IPFIX) Entities
2007-05-10
2012-12-05
For the IPFIX schema, please see .
IPFIX Information Elements
Expert Review
Primary expert - Nevil Brownlee and Secondary expert - Juergen Quittek
Values 0-127: NFv9-compatible
Reserved
0
current
octetDeltaCount
unsigned64
flowCounter
deltaCounter
1
data
current
The number of octets since the previous report (if any)
in incoming packets for this Flow at the Observation Point.
The number of octets includes IP header(s) and IP payload.
octets
packetDeltaCount
unsigned64
flowCounter
deltaCounter
2
data
current
The number of incoming packets since the previous report
(if any) for this Flow at the Observation Point.
packets
deltaFlowCount
unsigned64
deltaCounter
3
current
The conservative count of Original Flows contributing
to this Aggregated Flow; may be distributed via any of the methods
expressed by the valueDistributionMethod Information Element.
protocolIdentifier
unsigned8
ipHeader
identifier
4
all
current
The value of the protocol number in the IP packet header.
The protocol number identifies the IP packet payload type.
Protocol numbers are defined in the IANA Protocol Numbers
registry.
In Internet Protocol version 4 (IPv4), this is carried in the
Protocol field. In Internet Protocol version 6 (IPv6), this
is carried in the Next Header field in the last extension
header of the packet.
See for the specification of the IPv4
protocol field.
See for the specification of the
IPv6 protocol field.
See the list of protocol numbers assigned by IANA at .
ipClassOfService
unsigned8
ipHeader
identifier
5
all
current
For IPv4 packets, this is the value of the TOS field in
the IPv4 packet header. For IPv6 packets, this is the
value of the Traffic Class field in the IPv6 packet header.
See (Section 5.3.2) and for the definition of the IPv4 TOS field.
See for the definition of the IPv6
Traffic Class field.
tcpControlBits
unsigned8
minMax
flags
6
all
current
TCP control bits observed for packets of this Flow.
The information is encoded in a set of bit fields.
For each TCP control bit, there is a bit in this
set. A bit is set to 1 if any observed packet of this
Flow has the corresponding TCP control bit set to 1.
A value of 0 for a bit indicates that the corresponding
bit was not set in any of the observed packets
of this Flow.
0 1 2 3 4 5 6 7
+-----+-----+-----+-----+-----+-----+-----+-----+
| Reserved | URG | ACK | PSH | RST | SYN | FIN |
+-----+-----+-----+-----+-----+-----+-----+-----+
Reserved: Reserved for future use by TCP. Must be zero.
URG: Urgent Pointer field significant
ACK: Acknowledgment field significant
PSH: Push Function
RST: Reset the connection
SYN: Synchronize sequence numbers
FIN: No more data from sender
See for the definition of the TCP
control bits in the TCP header.
sourceTransportPort
unsigned16
transportHeader
identifier
7
all
current
The source port identifier in the transport header.
For the transport protocols UDP, TCP, and SCTP, this is the
source port number given in the respective header. This
field MAY also be used for future transport protocols that
have 16-bit source port identifiers.
See for the definition of the UDP
source port field.
See for the definition of the TCP
source port field.
See for the definition of SCTP.
Additional information on defined UDP and TCP port numbers can be
found at .
sourceIPv4Address
ipv4Address
ipHeader
identifier
8
all
current
The IPv4 source address in the IP packet header.
See for the definition of the IPv4
source address field.
sourceIPv4PrefixLength
unsigned8
ipHeader
9
option
current
The number of contiguous bits that are relevant in the
sourceIPv4Prefix Information Element.
bits
0-32
ingressInterface
unsigned32
scope
identifier
10
all
current
The index of the IP interface where packets of this Flow
are being received. The value matches the value of managed
object 'ifIndex' as defined in RFC 2863.
Note that ifIndex values are not assigned statically to an
interface and that the interfaces may be renumbered every
time the device's management system is re-initialized, as
specified in RFC 2863.
See for the definition of the
ifIndex object.
destinationTransportPort
unsigned16
transportHeader
identifier
11
all
current
The destination port identifier in the transport header.
For the transport protocols UDP, TCP, and SCTP, this is the
destination port number given in the respective header.
This field MAY also be used for future transport protocols
that have 16-bit destination port identifiers.
See for the definition of the UDP
destination port field.
See for the definition of the TCP
destination port field.
See for the definition of SCTP.
Additional information on defined UDP and TCP port numbers can be
found at .
destinationIPv4Address
ipv4Address
ipHeader
identifier
12
all
current
The IPv4 destination address in the IP packet header.
See for the definition of the IPv4
destination address field.
destinationIPv4PrefixLength
unsigned8
ipHeader
13
option
current
The number of contiguous bits that are relevant in the
destinationIPv4Prefix Information Element.
bits
0-32
egressInterface
unsigned32
scope
identifier
14
all
current
The index of the IP interface where packets of
this Flow are being sent. The value matches the value of
managed object 'ifIndex' as defined in RFC 2863.
Note that ifIndex values are not assigned statically to an
interface and that the interfaces may be renumbered every
time the device's management system is re-initialized, as
specified in RFC 2863.
See for the definition of the
ifIndex object.
ipNextHopIPv4Address
ipv4Address
derived
identifier
15
data
current
The IPv4 address of the next IPv4 hop.
bgpSourceAsNumber
unsigned32
derived
identifier
16
all
current
The autonomous system (AS) number of the source IP address.
If AS path information for this Flow is only available as
an unordered AS set (and not as an ordered AS sequence),
then the value of this Information Element is 0.
See for a description of BGP-4, and
see for the definition of the AS
number.
bgpDestinationAsNumber
unsigned32
derived
identifier
17
all
current
The autonomous system (AS) number of the destination IP
address. If AS path information for this Flow is only
available as an unordered AS set (and not as an ordered AS
sequence), then the value of this Information Element is 0.
See for a description of BGP-4, and
see for the definition of the AS
number.
bgpNextHopIPv4Address
ipv4Address
derived
identifier
18
all
current
The IPv4 address of the next (adjacent) BGP hop.
See for a description of BGP-4.
postMCastPacketDeltaCount
unsigned64
flowCounter
deltaCounter
19
data
current
The number of outgoing multicast packets since the
previous report (if any) sent for packets of this Flow
by a multicast daemon within the Observation Domain.
This property cannot necessarily be observed at the
Observation Point, but may be retrieved by other means.
packets
postMCastOctetDeltaCount
unsigned64
flowCounter
deltaCounter
20
data
current
The number of octets since the previous report (if any)
in outgoing multicast packets sent for packets of this
Flow by a multicast daemon within the Observation Domain.
This property cannot necessarily be observed at the
Observation Point, but may be retrieved by other means.
The number of octets includes IP header(s) and IP payload.
octets
flowEndSysUpTime
unsigned32
timestamp
21
data
current
The relative timestamp of the last packet of this Flow.
It indicates the number of milliseconds since the
last (re-)initialization of the IPFIX Device (sysUpTime).
milliseconds
flowStartSysUpTime
unsigned32
timestamp
22
data
current
The relative timestamp of the first packet of this Flow.
It indicates the number of milliseconds since the
last (re-)initialization of the IPFIX Device (sysUpTime).
milliseconds
postOctetDeltaCount
unsigned64
flowCounter
deltaCounter
23
data
current
The definition of this Information Element is identical
to the definition of Information Element
'octetDeltaCount', except that it reports a
potentially modified value caused by a middlebox
function after the packet passed the Observation Point.
octets
postPacketDeltaCount
unsigned64
flowCounter
deltaCounter
24
data
current
The definition of this Information Element is identical
to the definition of Information Element
'packetDeltaCount', except that it reports a
potentially modified value caused by a middlebox
function after the packet passed the Observation Point.
packets
minimumIpTotalLength
unsigned64
minMax
25
all
current
Length of the smallest packet observed for this Flow.
The packet length includes the IP header(s) length and
the IP payload length.
octets
See for the specification of the IPv4
total length.
See for the specification of the
IPv6 payload length.
See for the specification of the
IPv6 jumbo payload length.
maximumIpTotalLength
unsigned64
minMax
26
all
current
Length of the largest packet observed for this Flow.
The packet length includes the IP header(s) length and
the IP payload length.
octets
See for the specification of the IPv4
total length.
See for the specification of the
IPv6 payload length.
See for the specification of the
IPv6 jumbo payload length.
sourceIPv6Address
ipv6Address
ipHeader
identifier
27
all
current
The IPv6 source address in the IP packet header.
See for the definition of the Source
Address field in the IPv6 header.
destinationIPv6Address
ipv6Address
ipHeader
identifier
28
all
current
The IPv6 destination address in the IP packet header.
See for the definition of the
Destination Address field in the IPv6 header.
sourceIPv6PrefixLength
unsigned8
ipHeader
29
option
current
The number of contiguous bits that are relevant in the
sourceIPv6Prefix Information Element.
bits
0-128
destinationIPv6PrefixLength
unsigned8
ipHeader
30
option
current
The number of contiguous bits that are relevant in the
destinationIPv6Prefix Information Element.
bits
0-128
flowLabelIPv6
unsigned32
ipHeader
identifier
31
all
current
The value of the IPv6 Flow Label field in the IP packet header.
See for the definition of the
Flow Label field in the IPv6 packet header.
icmpTypeCodeIPv4
unsigned16
transportHeader
identifier
32
all
current
Type and Code of the IPv4 ICMP message. The combination of
both values is reported as (ICMP type * 256) + ICMP code.
See for the definition of the IPv4
ICMP type and code fields.
igmpType
unsigned8
transportHeader
identifier
33
all
current
The type field of the IGMP message.
See for the definition of the IGMP
type field.
34-35
flowActiveTimeout
unsigned16
misc
36
all
current
The number of seconds after which an active Flow is timed out
anyway, even if there is still a continuous flow of packets.
seconds
flowIdleTimeout
unsigned16
misc
37
all
current
A Flow is considered to be timed out if no packets belonging
to the Flow have been observed for the number of seconds
specified by this field.
seconds
38-39
exportedOctetTotalCount
unsigned64
processCounter
totalCounter
40
data
current
The total number of octets that the Exporting Process
has sent since the Exporting Process (re-)initialization
to a particular Collecting Process.
The value of this Information Element is calculated by
summing up the IPFIX Message Header length values of all
IPFIX Messages that were successfully sent to the Collecting
Process. The reported number excludes octets in the IPFIX
Message that carries the counter value.
If this Information Element is sent to a particular
Collecting Process, then by default it specifies the number
of octets sent to this Collecting Process.
octets
exportedMessageTotalCount
unsigned64
processCounter
totalCounter
41
data
current
The total number of IPFIX Messages that the Exporting Process
has sent since the Exporting Process (re-)initialization to
a particular Collecting Process.
The reported number excludes the IPFIX Message that carries
the counter value.
If this Information Element is sent to a particular
Collecting Process, then by default it specifies the number
of IPFIX Messages sent to this Collecting Process.
messages
exportedFlowRecordTotalCount
unsigned64
processCounter
totalCounter
42
data
current
The total number of Flow Records that the Exporting
Process has sent as Data Records since the Exporting
Process (re-)initialization to a particular Collecting
Process. The reported number excludes Flow Records in
the IPFIX Message that carries the counter value.
If this Information Element is sent to a particular
Collecting Process, then by default it specifies the number
of Flow Records sent to this process.
flows
43
sourceIPv4Prefix
ipv4Address
ipHeader
44
data
current
IPv4 source address prefix.
destinationIPv4Prefix
ipv4Address
ipHeader
45
data
current
IPv4 destination address prefix.
mplsTopLabelType
unsigned8
derived
identifier
46
data
current
This field identifies the control protocol that allocated the
top-of-stack label. Values for this field are listed in the
MPLS label type registry. See
See for the MPLS label structure.
See for the association of MPLS
labels with Virtual Private Networks (VPNs).
See for BGP and BGP routing.
See for Label Distribution Protocol
(LDP).
See the list of MPLS label types assigned by IANA at .
mplsTopLabelIPv4Address
ipv4Address
derived
identifier
47
data
current
The IPv4 address of the system that the MPLS top label will
cause this Flow to be forwarded to.
See for the association between MPLS
labels and IP addresses.
48-51
minimumTTL
unsigned8
minMax
52
data
current
Minimum TTL value observed for any packet in this Flow.
hops
See for the definition of the IPv4
Time to Live field.
See for the definition of the IPv6
Hop Limit field.
maximumTTL
unsigned8
minMax
53
data
current
Maximum TTL value observed for any packet in this Flow.
hops
See for the definition of the IPv4
Time to Live field.
See for the definition of the IPv6
Hop Limit field.
fragmentIdentification
unsigned32
ipHeader
identifier
54
data
current
The value of the Identification field
in the IPv4 packet header or in the IPv6 Fragment header,
respectively. The value is 0 for IPv6 if there is
no fragment header.
See for the definition of the IPv4
Identification field.
See for the definition of the
Identification field in the IPv6 Fragment header.
postIpClassOfService
unsigned8
ipHeader
identifier
55
all
current
The definition of this Information Element is identical
to the definition of Information Element
'ipClassOfService', except that it reports a
potentially modified value caused by a middlebox
function after the packet passed the Observation Point.
See for the definition of the IPv4
TOS field.
See for the definition of the IPv6
Traffic Class field.
See for the definition of
middleboxes.
sourceMacAddress
macAddress
subIpHeader
identifier
56
data
current
The IEEE 802 source MAC address field.
See IEEE.802-3.2002.
postDestinationMacAddress
macAddress
subIpHeader
identifier
57
data
current
The definition of this Information Element is identical
to the definition of Information Element
'destinationMacAddress', except that it reports a
potentially modified value caused by a middlebox
function after the packet passed the Observation Point.
See IEEE.802-3.2002.
vlanId
unsigned16
subIpHeader
identifier
58
data
current
Virtual LAN identifier associated with ingress interface. For dot1q vlans, see 243
dot1qVlanId.
See IEEE.802-1Q.2003.
postVlanId
unsigned16
subIpHeader
identifier
59
data
current
Virtual LAN identifier associated with egress interface. For postdot1q vlans, see 254 postDot1qVlanId.
See IEEE.802-1Q.2003.
ipVersion
unsigned8
ipHeader
identifier
60
all
current
The IP version field in the IP packet header.
See for the definition of the version
field in the IPv4 packet header.
See for the definition of the
version field in the IPv6 packet header.
Additional information on defined version numbers can be found at
.
flowDirection
unsigned8
misc
identifier
61
data
current
The direction of the Flow observed at the Observation
Point. There are only two values defined.
0x00: ingress flow
0x01: egress flow
ipNextHopIPv6Address
ipv6Address
derived
identifier
62
data
current
The IPv6 address of the next IPv6 hop.
bgpNextHopIPv6Address
ipv6Address
derived
identifier
63
all
current
The IPv6 address of the next (adjacent) BGP hop.
See for a description of BGP-4.
ipv6ExtensionHeaders
unsigned32
minMax
flags
64
all
current
IPv6 extension headers observed in packets of this Flow.
The information is encoded in a set of bit fields. For
each IPv6 option header, there is a bit in this set.
The bit is set to 1 if any observed packet of this Flow
contains the corresponding IPv6 extension header.
Otherwise, if no observed packet of this Flow contained
the respective IPv6 extension header, the value of the
corresponding bit is 0.
0 1 2 3 4 5 6 7
+-----+-----+-----+-----+-----+-----+-----+-----+
| DST | HOP | Res | UNK |FRA0 | RH |FRA1 | Res | ...
+-----+-----+-----+-----+-----+-----+-----+-----+
8 9 10 11 12 13 14 15
+-----+-----+-----+-----+-----+-----+-----+-----+
... | Reserved | MOB | ESP | AH | PAY | ...
+-----+-----+-----+-----+-----+-----+-----+-----+
16 17 18 19 20 21 22 23
+-----+-----+-----+-----+-----+-----+-----+-----+
... | Reserved | ...
+-----+-----+-----+-----+-----+-----+-----+-----+
24 25 26 27 28 29 30 31
+-----+-----+-----+-----+-----+-----+-----+-----+
... | Reserved |
+-----+-----+-----+-----+-----+-----+-----+-----+
Bit IPv6 Option Description
0, DST 60 Destination option header
1, HOP 0 Hop-by-hop option header
2, Res Reserved
3, UNK Unknown Layer 4 header
(compressed, encrypted, not supported)
4, FRA0 44 Fragment header - first fragment
5, RH 43 Routing header
6, FRA1 44 Fragmentation header - not first fragment
7, Res Reserved
8 to 11 Reserved
12, MOB 135 IPv6 mobility [RFC3775]
13, ESP 50 Encrypted security payload
14, AH 51 Authentication Header
15, PAY 108 Payload compression header
16 to 31 Reserved
See for the general definition of
IPv6 extension headers and for the specification of the hop-by-hop
options header, the routing header, the fragment header, and the
destination options header.
See for the specification of the
authentication header.
See for the specification of the
encapsulating security payload.
The diagram provided in is incorrect.
The diagram in this registry is taken from Errata 1738. See
65-69
mplsTopLabelStackSection
octetArray
subIpHeader
identifier
70
all
current
The Label, Exp, and S fields from the top MPLS label
stack entry, i.e., from the last label that was pushed.
The size of this Information Element is 3 octets.
0 1 2
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Label | Exp |S|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Label: Label Value, 20 bits
Exp: Experimental Use, 3 bits
S: Bottom of Stack, 1 bit
See .
mplsLabelStackSection2
octetArray
subIpHeader
identifier
71
all
current
The Label, Exp, and S fields from the label stack entry that
was pushed immediately before the label stack entry that would
be reported by mplsTopLabelStackSection. See the definition of
mplsTopLabelStackSection for further details.
The size of this Information Element is 3 octets.
See .
mplsLabelStackSection3
octetArray
subIpHeader
identifier
72
all
current
The Label, Exp, and S fields from the label stack entry that
was pushed immediately before the label stack entry that would
be reported by mplsLabelStackSection2. See the definition of
mplsTopLabelStackSection for further details.
The size of this Information Element is 3 octets.
See .
mplsLabelStackSection4
octetArray
subIpHeader
identifier
73
all
current
The Label, Exp, and S fields from the label stack entry that
was pushed immediately before the label stack entry that would
be reported by mplsLabelStackSection3. See the definition of
mplsTopLabelStackSection for further details.
The size of this Information Element is 3 octets.
See .
mplsLabelStackSection5
octetArray
subIpHeader
identifier
74
all
current
The Label, Exp, and S fields from the label stack entry that
was pushed immediately before the label stack entry that would
be reported by mplsLabelStackSection4. See the definition of
mplsTopLabelStackSection for further details.
The size of this Information Element is 3 octets.
See .
mplsLabelStackSection6
octetArray
subIpHeader
identifier
75
all
current
The Label, Exp, and S fields from the label stack entry that
was pushed immediately before the label stack entry that would
be reported by mplsLabelStackSection5. See the definition of
mplsTopLabelStackSection for further details.
The size of this Information Element is 3 octets.
See .
mplsLabelStackSection7
octetArray
subIpHeader
identifier
76
all
current
The Label, Exp, and S fields from the label stack entry that
was pushed immediately before the label stack entry that would
be reported by mplsLabelStackSection6. See the definition of
mplsTopLabelStackSection for further details.
The size of this Information Element is 3 octets.
See .
mplsLabelStackSection8
octetArray
subIpHeader
identifier
77
all
current
The Label, Exp, and S fields from the label stack entry that
was pushed immediately before the label stack entry that would
be reported by mplsLabelStackSection7. See the definition of
mplsTopLabelStackSection for further details.
The size of this Information Element is 3 octets.
See .
mplsLabelStackSection9
octetArray
subIpHeader
identifier
78
all
current
The Label, Exp, and S fields from the label stack entry that
was pushed immediately before the label stack entry that would
be reported by mplsLabelStackSection8. See the definition of
mplsTopLabelStackSection for further details.
The size of this Information Element is 3 octets.
See .
mplsLabelStackSection10
octetArray
subIpHeader
identifier
79
all
current
The Label, Exp, and S fields from the label stack entry that
was pushed immediately before the label stack entry that would
be reported by mplsLabelStackSection9. See the definition of
mplsTopLabelStackSection for further details.
The size of this Information Element is 3 octets.
See .
destinationMacAddress
macAddress
subIpHeader
identifier
80
data
current
The IEEE 802 destination MAC address field.
See IEEE.802-3.2002.
postSourceMacAddress
macAddress
subIpHeader
identifier
81
data
current
The definition of this Information Element is identical
to the definition of Information Element
'sourceMacAddress', except that it reports a
potentially modified value caused by a middlebox
function after the packet passed the Observation Point.
See IEEE.802-3.2002.
interfaceName
string
82
current
A short name uniquely describing an interface, eg "Eth1/0".
See for the definition of the ifName object.
interfaceDescription
string
83
current
The description of an interface, eg "FastEthernet 1/0" or "ISP
connection".
See for the definition of the ifDescr object.
84
octetTotalCount
unsigned64
flowCounter
totalCounter
85
all
current
The total number of octets in incoming packets
for this Flow at the Observation Point since the Metering
Process (re-)initialization for this Observation Point. The
number of octets includes IP header(s) and IP payload.
octets
packetTotalCount
unsigned64
flowCounter
totalCounter
86
all
current
The total number of incoming packets for this Flow
at the Observation Point since the Metering Process
(re-)initialization for this Observation Point.
packets
87
fragmentOffset
unsigned16
ipHeader
identifier
88
all
current
The value of the IP fragment offset field in the
IPv4 packet header or the IPv6 Fragment header,
respectively. The value is 0 for IPv6 if there is
no fragment header.
See for the specification of the
fragment offset in the IPv4 header.
See for the specification of the
fragment offset in the IPv6 Fragment header.
89
mplsVpnRouteDistinguisher
octetArray
derived
identifier
90
all
current
The value of the VPN route distinguisher of a corresponding
entry in a VPN routing and forwarding table. Route
distinguisher ensures that the same address can be used in
several different MPLS VPNs and that it is possible for BGP to
carry several completely different routes to that address, one
for each VPN. According to RFC 4364, the size of
mplsVpnRouteDistinguisher is 8 octets. However, in RFC 4382 an
octet string with flexible length was chosen for representing a
VPN route distinguisher by object MplsL3VpnRouteDistinguisher.
This choice was made in order to be open to future changes of
the size. This idea was adopted when choosing octetArray as
abstract data type for this Information Element. The maximum
length of this Information Element is 256 octets.
See for the specification of the
route distinguisher. See for the
specification of the MPLS/BGP Layer 3 Virtual Private Network (VPN)
Management Information Base.
mplsTopLabelPrefixLength
unsigned8
identifier
91
current
The prefix length of the subnet of the mplsTopLabelIPv4Address that
the MPLS top label will cause the Flow to be forwarded to.
bits
0-32
See for the association between
MPLS labels and prefix lengths.
92-93
applicationDescription
string
94
current
Specifies the description of an application.
applicationId
octetArray
identifier
95
current
Specifies an Application ID per .
See section 4 of for the applicationId Information Element Specification.
applicationName
string
96
current
Specifies the name of an application.
97
postIpDiffServCodePoint
unsigned8
identifier
98
current
The definition of this Information Element is identical to the
definition of Information Element 'ipDiffServCodePoint', except
that it reports a potentially modified value caused by a
middlebox function after the packet passed the Observation
Point.
0-63
See for the definition of the Differentiated
Services Field. See section 5.3.2 of and
for the definition of the IPv4 TOS field. See
for the definition of the IPv6 Traffic Class
field. See the IPFIX Information Model for the
'ipDiffServCodePoint' specification.
multicastReplicationFactor
unsigned32
quantity
99
current
The amount of multicast replication that's applied to a traffic
stream.
See for the specification of reserved IPv4
multicast addresses. See for the
specification of reserved IPv6 multicast addresses.
100
classificationEngineId
unsigned8
identifier
101
current
A unique identifier for the engine that determined the
Selector ID. Thus, the Classification Engine ID defines
the context for the Selector ID. The Classification
Engine can be considered a specific registry for
application assignments.
Values for this field are listed in the Classification
Engine IDs registry. See
102-127
bgpNextAdjacentAsNumber
unsigned32
derived
identifier
128
all
current
The autonomous system (AS) number of the first AS in the AS
path to the destination IP address. The path is deduced
by looking up the destination IP address of the Flow in the
BGP routing information base. If AS path information for
this Flow is only available as an unordered AS set (and not
as an ordered AS sequence), then the value of this Information
Element is 0.
See for a description of BGP-4, and
see for the definition of the AS
number.
bgpPrevAdjacentAsNumber
unsigned32
derived
identifier
129
all
current
The autonomous system (AS) number of the last AS in the AS
path from the source IP address. The path is deduced
by looking up the source IP address of the Flow in the BGP
routing information base. If AS path information for this
Flow is only available as an unordered AS set (and not as
an ordered AS sequence), then the value of this Information
Element is 0. In case of BGP asymmetry, the
bgpPrevAdjacentAsNumber might not be able to report the correct
value.
See for a description of BGP-4, and
see for the definition of the AS
number.
exporterIPv4Address
ipv4Address
config
identifier
130
all
current
The IPv4 address used by the Exporting Process. This is used
by the Collector to identify the Exporter in cases where the
identity of the Exporter may have been obscured by the use of
a proxy.
exporterIPv6Address
ipv6Address
config
identifier
131
all
current
The IPv6 address used by the Exporting Process. This is used
by the Collector to identify the Exporter in cases where the
identity of the Exporter may have been obscured by the use of
a proxy.
droppedOctetDeltaCount
unsigned64
flowCounter
deltaCounter
132
data
current
The number of octets since the previous report (if any)
in packets of this Flow dropped by packet treatment.
The number of octets includes IP header(s) and IP payload.
octets
droppedPacketDeltaCount
unsigned64
flowCounter
deltaCounter
133
data
current
The number of packets since the previous report (if any)
of this Flow dropped by packet treatment.
packets
droppedOctetTotalCount
unsigned64
flowCounter
totalCounter
134
data
current
The total number of octets in packets of this Flow dropped
by packet treatment since the Metering Process
(re-)initialization for this Observation Point.
The number of octets includes IP header(s) and IP payload.
octets
droppedPacketTotalCount
unsigned64
flowCounter
totalCounter
135
data
current
The number of packets of this Flow dropped by packet
treatment since the Metering Process
(re-)initialization for this Observation Point.
packets
flowEndReason
unsigned8
misc
identifier
136
data
current
The reason for Flow termination. The range of values includes
the following:
0x01: idle timeout
The Flow was terminated because it was considered to be
idle.
0x02: active timeout
The Flow was terminated for reporting purposes while it was
still active, for example, after the maximum lifetime of
unreported Flows was reached.
0x03: end of Flow detected
The Flow was terminated because the Metering Process
detected signals indicating the end of the Flow,
for example, the TCP FIN flag.
0x04: forced end
The Flow was terminated because of some external event,
for example, a shutdown of the Metering Process initiated
by a network management application.
0x05: lack of resources
The Flow was terminated because of lack of resources
available to the Metering Process and/or the Exporting
Process.
commonPropertiesId
unsigned64
scope
identifier
137
option
current
An identifier of a set of common properties that is
unique per Observation Domain and Transport Session.
Typically, this Information Element is used to link to
information reported in separate Data Records.
observationPointId
unsigned32
scope
identifier
138
option
current
An identifier of an Observation Point that is unique per
Observation Domain. It is RECOMMENDED that this identifier is
also unique per IPFIX Device. Typically, this Information
Element is used for limiting the scope of other Information
Elements.
icmpTypeCodeIPv6
unsigned16
transportHeader
identifier
139
all
current
Type and Code of the IPv6 ICMP message. The combination of
both values is reported as (ICMP type * 256) + ICMP code.
See for the definition of the IPv6
ICMP type and code fields.
mplsTopLabelIPv6Address
ipv6Address
derived
identifier
140
data
current
The IPv6 address of the system that the MPLS top label will
cause this Flow to be forwarded to.
See for the association between MPLS
labels and IP addresses.
lineCardId
unsigned32
scope
identifier
141
option
current
An identifier of a line card that is unique per IPFIX
Device hosting an Observation Point. Typically, this
Information Element is used for limiting the scope
of other Information Elements.
portId
unsigned32
scope
identifier
142
option
current
An identifier of a line port that is unique per IPFIX
Device hosting an Observation Point. Typically, this
Information Element is used for limiting the scope
of other Information Elements.
meteringProcessId
unsigned32
scope
identifier
143
option
current
An identifier of a Metering Process that is unique per
IPFIX Device. Typically, this Information Element is used
for limiting the scope of other Information Elements.
Note that process identifiers are typically assigned
dynamically.
The Metering Process may be re-started with a different ID.
exportingProcessId
unsigned32
scope
identifier
144
option
current
An identifier of an Exporting Process that is unique per
IPFIX Device. Typically, this Information Element is used
for limiting the scope of other Information Elements.
Note that process identifiers are typically assigned
dynamically. The Exporting Process may be re-started
with a different ID.
templateId
unsigned16
scope
identifier
145
option
current
An identifier of a Template that is locally unique within a
combination of a Transport session and an Observation Domain.
Template IDs 0-255 are reserved for Template Sets, Options
Template Sets, and other reserved Sets yet to be created.
Template IDs of Data Sets are numbered from 256 to 65535.
Typically, this Information Element is used for limiting
the scope of other Information Elements.
Note that after a re-start of the Exporting Process Template
identifiers may be re-assigned.
wlanChannelId
unsigned8
subIpHeader
identifier
146
data
current
The identifier of the 802.11 (Wi-Fi) channel used.
See IEEE.802-11.1999.
wlanSSID
string
subIpHeader
147
data
current
The Service Set IDentifier (SSID) identifying an 802.11
(Wi-Fi) network used. According to IEEE.802-11.1999, the
SSID is encoded into a string of up to 32 characters.
See IEEE.802-11.1999.
flowId
unsigned64
scope
identifier
148
option
current
An identifier of a Flow that is unique within an Observation
Domain. This Information Element can be used to distinguish
between different Flows if Flow Keys such as IP addresses and
port numbers are not reported or are reported in separate
records.
observationDomainId
unsigned32
scope
identifier
149
option
current
An identifier of an Observation Domain that is locally
unique to an Exporting Process. The Exporting Process uses
the Observation Domain ID to uniquely identify to the
Collecting Process the Observation Domain where Flows
were metered. It is RECOMMENDED that this identifier is
also unique per IPFIX Device.
A value of 0 indicates that no specific Observation Domain
is identified by this Information Element.
Typically, this Information Element is used for limiting
the scope of other Information Elements.
flowStartSeconds
dateTimeSeconds
timestamp
150
data
current
The absolute timestamp of the first packet of this Flow.
seconds
flowEndSeconds
dateTimeSeconds
timestamp
151
data
current
The absolute timestamp of the last packet of this Flow.
seconds
flowStartMilliseconds
dateTimeMilliseconds
timestamp
152
data
current
The absolute timestamp of the first packet of this Flow.
milliseconds
flowEndMilliseconds
dateTimeMilliseconds
timestamp
153
data
current
The absolute timestamp of the last packet of this Flow.
milliseconds
flowStartMicroseconds
dateTimeMicroseconds
timestamp
154
data
current
The absolute timestamp of the first packet of this Flow.
microseconds
flowEndMicroseconds
dateTimeMicroseconds
timestamp
155
data
current
The absolute timestamp of the last packet of this Flow.
microseconds
flowStartNanoseconds
dateTimeNanoseconds
timestamp
156
data
current
The absolute timestamp of the first packet of this Flow.
nanoseconds
flowEndNanoseconds
dateTimeNanoseconds
timestamp
157
data
current
The absolute timestamp of the last packet of this Flow.
nanoseconds
flowStartDeltaMicroseconds
unsigned32
timestamp
158
data
current
This is a relative timestamp only valid within the scope
of a single IPFIX Message. It contains the negative time
offset of the first observed packet of this Flow relative
to the export time specified in the IPFIX Message Header.
microseconds
See the IPFIX protocol
specification for the definition of the IPFIX Message Header.
flowEndDeltaMicroseconds
unsigned32
timestamp
159
data
current
This is a relative timestamp only valid within the scope
of a single IPFIX Message. It contains the negative time
offset of the last observed packet of this Flow relative
to the export time specified in the IPFIX Message Header.
microseconds
See the IPFIX protocol
specification for the definition of the IPFIX Message Header.
systemInitTimeMilliseconds
dateTimeMilliseconds
timestamp
160
data
current
The absolute timestamp of the last (re-)initialization of the
IPFIX Device.
milliseconds
flowDurationMilliseconds
unsigned32
misc
161
data
current
The difference in time between the first observed packet
of this Flow and the last observed packet of this Flow.
milliseconds
flowDurationMicroseconds
unsigned32
misc
162
data
current
The difference in time between the first observed packet
of this Flow and the last observed packet of this Flow.
microseconds
observedFlowTotalCount
unsigned64
processCounter
totalCounter
163
data
current
The total number of Flows observed in the Observation Domain
since the Metering Process (re-)initialization for this
Observation Point.
flows
ignoredPacketTotalCount
unsigned64
processCounter
totalCounter
164
data
current
The total number of observed IP packets that the
Metering Process did not process since the
(re-)initialization of the Metering Process.
packets
ignoredOctetTotalCount
unsigned64
processCounter
totalCounter
165
data
current
The total number of octets in observed IP packets
(including the IP header) that the Metering Process
did not process since the (re-)initialization of the
Metering Process.
octets
notSentFlowTotalCount
unsigned64
processCounter
totalCounter
166
data
current
The total number of Flow Records that were generated by the
Metering Process and dropped by the Metering Process or
by the Exporting Process instead of being sent to the
Collecting Process. There are several potential reasons for
this including resource shortage and special Flow export
policies.
flows
notSentPacketTotalCount
unsigned64
processCounter
totalCounter
167
data
current
The total number of packets in Flow Records that were
generated by the Metering Process and dropped
by the Metering Process or by the Exporting Process
instead of being sent to the Collecting Process.
There are several potential reasons for this including
resource shortage and special Flow export policies.
packets
notSentOctetTotalCount
unsigned64
processCounter
totalCounter
168
data
current
The total number of octets in packets in Flow Records
that were generated by the Metering Process and
dropped by the Metering Process or by the Exporting
Process instead of being sent to the Collecting Process.
There are several potential reasons for this including
resource shortage and special Flow export policies.
octets
destinationIPv6Prefix
ipv6Address
ipHeader
169
data
current
IPv6 destination address prefix.
sourceIPv6Prefix
ipv6Address
ipHeader
170
data
current
IPv6 source address prefix.
postOctetTotalCount
unsigned64
flowCounter
totalCounter
171
all
current
The definition of this Information Element is identical
to the definition of Information Element
'octetTotalCount', except that it reports a
potentially modified value caused by a middlebox
function after the packet passed the Observation Point.
octets
postPacketTotalCount
unsigned64
flowCounter
totalCounter
172
all
current
The definition of this Information Element is identical
to the definition of Information Element
'packetTotalCount', except that it reports a
potentially modified value caused by a middlebox
function after the packet passed the Observation Point.
packets
flowKeyIndicator
unsigned64
config
flags
173
all
current
This set of bit fields is used for marking the Information
Elements of a Data Record that serve as Flow Key. Each bit
represents an Information Element in the Data Record with
the n-th bit representing the n-th Information Element.
A bit set to value 1 indicates that the corresponding
Information Element is a Flow Key of the reported Flow.
A bit set to value 0 indicates that this is not the case.
If the Data Record contains more than 64 Information Elements,
the corresponding Template SHOULD be designed such that all
Flow Keys are among the first 64 Information Elements, because
the flowKeyIndicator only contains 64 bits. If the Data Record
contains less than 64 Information Elements, then the bits in
the flowKeyIndicator for which no corresponding Information
Element exists MUST have the value 0.
postMCastPacketTotalCount
unsigned64
flowCounter
totalCounter
174
data
current
The total number of outgoing multicast packets sent for
packets of this Flow by a multicast daemon within the
Observation Domain since the Metering Process
(re-)initialization. This property cannot necessarily
be observed at the Observation Point, but may be retrieved
by other means.
packets
postMCastOctetTotalCount
unsigned64
flowCounter
totalCounter
175
data
current
The total number of octets in outgoing multicast packets
sent for packets of this Flow by a multicast daemon in the
Observation Domain since the Metering Process
(re-)initialization. This property cannot necessarily be
observed at the Observation Point, but may be retrieved by
other means.
The number of octets includes IP header(s) and IP payload.
octets
icmpTypeIPv4
unsigned8
transportHeader
identifier
176
all
current
Type of the IPv4 ICMP message.
See for the definition of the IPv4
ICMP type field.
icmpCodeIPv4
unsigned8
transportHeader
identifier
177
all
current
Code of the IPv4 ICMP message.
See for the definition of the IPv4
ICMP code field.
icmpTypeIPv6
unsigned8
transportHeader
identifier
178
all
current
Type of the IPv6 ICMP message.
See for the definition of the IPv6
ICMP type field.
icmpCodeIPv6
unsigned8
transportHeader
identifier
179
all
current
Code of the IPv6 ICMP message.
See for the definition of the IPv6
ICMP code field.
udpSourcePort
unsigned16
transportHeader
identifier
180
all
current
The source port identifier in the UDP header.
See for the definition of the UDP
source port field.
Additional information on defined UDP port numbers can be found at
.
udpDestinationPort
unsigned16
transportHeader
identifier
181
all
current
The destination port identifier in the UDP header.
See for the definition of the UDP
destination port field.
Additional information on defined UDP port numbers can be found at
.
tcpSourcePort
unsigned16
transportHeader
identifier
182
all
current
The source port identifier in the TCP header.
See for the definition of the TCP
source port field.
Additional information on defined TCP port numbers can be found at
.
tcpDestinationPort
unsigned16
transportHeader
identifier
183
all
current
The destination port identifier in the TCP header.
See for the definition of the TCP
destination port field.
Additional information on defined TCP port numbers can be found at
.
tcpSequenceNumber
unsigned32
transportHeader
184
all
current
The sequence number in the TCP header.
See for the definition of the TCP
sequence number.
tcpAcknowledgementNumber
unsigned32
transportHeader
185
all
current
The acknowledgement number in the TCP header.
See for the definition of the TCP
acknowledgement number.
tcpWindowSize
unsigned16
transportHeader
186
all
current
The window field in the TCP header.
If the TCP window scale is supported,
then TCP window scale must be known
to fully interpret the value of this information.
See for the definition of the TCP
window field.
See for the definition of the TCP
window scale.
tcpUrgentPointer
unsigned16
transportHeader
187
all
current
The urgent pointer in the TCP header.
See for the definition of the TCP
urgent pointer.
tcpHeaderLength
unsigned8
transportHeader
188
all
current
The length of the TCP header. Note that the value of this
Information Element is different from the value of the Data
Offset field in the TCP header. The Data Offset field
indicates the length of the TCP header in units of 4 octets.
This Information Elements specifies the length of the TCP
header in units of octets.
octets
See for the definition of the TCP
header.
ipHeaderLength
unsigned8
ipHeader
189
all
current
The length of the IP header. For IPv6, the value of this
Information Element is 40.
octets
See for the definition of the IPv4
header.
See for the definition of the IPv6
header.
totalLengthIPv4
unsigned16
ipHeader
190
all
current
The total length of the IPv4 packet.
octets
See for the specification of the IPv4
total length.
payloadLengthIPv6
unsigned16
ipHeader
191
all
current
This Information Element reports the value of the Payload
Length field in the IPv6 header. Note that IPv6 extension
headers belong to the payload. Also note that in case of a
jumbo payload option the value of the Payload Length field in
the IPv6 header is zero and so will be the value reported
by this Information Element.
octets
See for the specification of the IPv6
payload length.
See for the specification of the IPv6
jumbo payload option.
ipTTL
unsigned8
ipHeader
192
all
current
For IPv4, the value of the Information Element matches
the value of the Time to Live (TTL) field in the IPv4 packet
header. For IPv6, the value of the Information Element
matches the value of the Hop Limit field in the IPv6
packet header.
hops
See for the definition of the IPv4
Time to Live field.
See for the definition of the IPv6
Hop Limit field.
nextHeaderIPv6
unsigned8
ipHeader
193
all
current
The value of the Next Header field of the IPv6 header.
The value identifies the type of the following IPv6
extension header or of the following IP payload.
Valid values are defined in the IANA
Protocol Numbers registry.
See for the definition of the IPv6
Next Header field.
See the list of protocol numbers assigned by IANA at .
mplsPayloadLength
unsigned32
subIpHeader
194
all
current
The size of the MPLS packet without the label stack.
octets
See for the specification of MPLS
packets.
See for the specification of the
MPLS label stack.
ipDiffServCodePoint
unsigned8
ipHeader
identifier
195
all
current
The value of a Differentiated Services Code Point (DSCP)
encoded in the Differentiated Services field. The
Differentiated Services field spans the most significant
6 bits of the IPv4 TOS field or the IPv6 Traffic Class
field, respectively.
This Information Element encodes only the 6 bits of the
Differentiated Services field. Therefore, its value may
range from 0 to 63.
0-63
See for the definition of the
Differentiated Services field.
See (Section 5.3.2) and for the definition of the IPv4 TOS field.
See for the definition of the IPv6
Traffic Class field.
ipPrecedence
unsigned8
ipHeader
identifier
196
all
current
The value of the IP Precedence. The IP Precedence value
is encoded in the first 3 bits of the IPv4 TOS field
or the IPv6 Traffic Class field, respectively.
This Information Element encodes only these 3 bits.
Therefore, its value may range from 0 to 7.
0-7
See (Section 5.3.3) and for the definition of the IP Precedence.
See (Section 5.3.2) and for the definition of the IPv4 TOS field.
See for the definition of the IPv6
Traffic Class field.
fragmentFlags
unsigned8
ipHeader
flags
197
all
current
Fragmentation properties indicated by flags in the IPv4
packet header or the IPv6 Fragment header, respectively.
Bit 0: (RS) Reserved.
The value of this bit MUST be 0 until specified
otherwise.
Bit 1: (DF) 0 = May Fragment, 1 = Don't Fragment.
Corresponds to the value of the DF flag in the
IPv4 header. Will always be 0 for IPv6 unless
a "don't fragment" feature is introduced to IPv6.
Bit 2: (MF) 0 = Last Fragment, 1 = More Fragments.
Corresponds to the MF flag in the IPv4 header
or to the M flag in the IPv6 Fragment header,
respectively. The value is 0 for IPv6 if there
is no fragment header.
Bits 3-7: (DC) Don't Care.
The values of these bits are irrelevant.
0 1 2 3 4 5 6 7
+---+---+---+---+---+---+---+---+
| R | D | M | D | D | D | D | D |
| S | F | F | C | C | C | C | C |
+---+---+---+---+---+---+---+---+
See for the specification of the IPv4
fragment flags.
See for the specification of the
IPv6 Fragment header.
octetDeltaSumOfSquares
unsigned64
flowCounter
198
data
current
The sum of the squared numbers of octets per incoming
packet since the previous report (if any) for this
Flow at the Observation Point.
The number of octets includes IP header(s) and IP payload.
octetTotalSumOfSquares
unsigned64
flowCounter
199
all
current
The total sum of the squared numbers of octets in incoming
packets for this Flow at the Observation Point since the
Metering Process (re-)initialization for this Observation
Point. The number of octets includes IP header(s) and IP
payload.
octets
mplsTopLabelTTL
unsigned8
subIpHeader
200
all
current
The TTL field from the top MPLS label stack entry,
i.e., the last label that was pushed.
hops
See for the specification of the TTL
field.
mplsLabelStackLength
unsigned32
subIpHeader
201
all
current
The length of the MPLS label stack in units of octets.
octets
See for the specification of the
MPLS label stack.
mplsLabelStackDepth
unsigned32
subIpHeader
202
all
current
The number of labels in the MPLS label stack.
label stack entries
See for the specification of the
MPLS label stack.
mplsTopLabelExp
unsigned8
subIpHeader
flags
203
all
current
The Exp field from the top MPLS label stack entry,
i.e., the last label that was pushed.
Bits 0-4: Don't Care, value is irrelevant.
Bits 5-7: MPLS Exp field.
0 1 2 3 4 5 6 7
+---+---+---+---+---+---+---+---+
| don't care | Exp |
+---+---+---+---+---+---+---+---+
See for the specification of the
Exp field.
See for usage of the Exp field.
ipPayloadLength
unsigned32
derived
204
all
current
The effective length of the IP payload.
For IPv4 packets, the value of this Information Element is
the difference between the total length of the IPv4 packet
(as reported by Information Element totalLengthIPv4) and the
length of the IPv4 header (as reported by Information Element
headerLengthIPv4).
For IPv6, the value of the Payload Length field
in the IPv6 header is reported except in the case that
the value of this field is zero and that there is a valid
jumbo payload option. In this case, the value of the
Jumbo Payload Length field in the jumbo payload option
is reported.
octets
See for the specification of IPv4
packets.
See for the specification of the
IPv6 payload length.
See for the specification of the
IPv6 jumbo payload length.
udpMessageLength
unsigned16
transportHeader
205
all
current
The value of the Length field in the UDP header.
octets
See for the specification of the UDP
header.
isMulticast
unsigned8
ipHeader
flags
206
data
current
If the IP destination address is not a reserved multicast
address, then the value of all bits of the octet (including
the reserved ones) is zero.
The first bit of this octet is set to 1 if the Version
field of the IP header has the value 4 and if the
Destination Address field contains a reserved multicast
address in the range from 224.0.0.0 to 239.255.255.255.
Otherwise, this bit is set to 0.
The second and third bits of this octet are reserved for
future use.
The remaining bits of the octet are only set to values
other than zero if the IP Destination Address is a
reserved IPv6 multicast address. Then the fourth bit
of the octet is set to the value of the T flag in the
IPv6 multicast address and the remaining four bits are
set to the value of the scope field in the IPv6
multicast address.
0 1 2 3 4 5 6 7
+------+------+------+------+------+------+------+------+
| IPv6 multicast scope | T | RES. | RES. | MCv4 |
+------+------+------+------+------+------+------+------+
Bits 0-3: set to value of multicast scope if IPv6 multicast
Bit 4: set to value of T flag, if IPv6 multicast
Bits 5-6: reserved for future use
Bit 7: set to 1 if IPv4 multicast
See for the specification of
reserved IPv4 multicast addresses.
See for the specification of
reserved IPv6 multicast addresses and the definition of the T flag and
the IPv6 multicast scope.
The diagram provided in is incorrect.
The diagram in this registry is taken from Errata 1736. See
ipv4IHL
unsigned8
ipHeader
207
all
current
The value of the Internet Header Length (IHL) field in
the IPv4 header. It specifies the length of the header
in units of 4 octets. Please note that its unit is
different from most of the other Information Elements
reporting length values.
4 octets
See for the specification of the IPv4
header.
ipv4Options
unsigned32
minMax
flags
208
all
current
IPv4 options in packets of this Flow.
The information is encoded in a set of bit fields. For
each valid IPv4 option type, there is a bit in this set.
The bit is set to 1 if any observed packet of this Flow
contains the corresponding IPv4 option type. Otherwise,
if no observed packet of this Flow contained the
respective IPv4 option type, the value of the
corresponding bit is 0.
The list of valid IPv4 options is maintained by IANA.
Note that for identifying an option not just the 5-bit
Option Number, but all 8 bits of the Option Type need to
match one of the IPv4 options specified at
http://www.iana.org/assignments/ip-parameters.
Options are mapped to bits according to their option numbers.
Option number X is mapped to bit X.
The mapping is illustrated by the figure below.
0 1 2 3 4 5 6 7
+------+------+------+------+------+------+------+------+
... | RR |CIPSO |E-SEC | TS | LSR | SEC | NOP | EOOL |
+------+------+------+------+------+------+------+------+
8 9 10 11 12 13 14 15
+------+------+------+------+------+------+------+------+
... |ENCODE| VISA | FINN | MTUR | MTUP | ZSU | SSR | SID | ...
+------+------+------+------+------+------+------+------+
16 17 18 19 20 21 22 23
+------+------+------+------+------+------+------+------+
... | DPS |NSAPA | SDB |RTRALT|ADDEXT| TR | EIP |IMITD | ...
+------+------+------+------+------+------+------+------+
24 25 26 27 28 29 30 31
+------+------+------+------+------+------+------+------+
| | EXP | to be assigned by IANA | QS | UMP | ...
+------+------+------+------+------+------+------+------+
Type Option
Bit Value Name Reference
---+-----+-------+------------------------------------
0 7 RR Record Route, RFC 791
1 134 CIPSO Commercial Security
2 133 E-SEC Extended Security, RFC 1108
3 68 TS Time Stamp, RFC 791
4 131 LSR Loose Source Route, RFC791
5 130 SEC Security, RFC 1108
6 1 NOP No Operation, RFC 791
7 0 EOOL End of Options List, RFC 791
8 15 ENCODE
9 142 VISA Experimental Access Control
10 205 FINN Experimental Flow Control
11 12 MTUR (obsoleted) MTU Reply, RFC 1191
12 11 MTUP (obsoleted) MTU Probe, RFC 1191
13 10 ZSU Experimental Measurement
14 137 SSR Strict Source Route, RFC 791
15 136 SID Stream ID, RFC 791
16 151 DPS Dynamic Packet State
17 150 NSAPA NSAP Address
18 149 SDB Selective Directed Broadcast
19 147 ADDEXT Address Extension
20 148 RTRALT Router Alert, RFC 2113
21 82 TR Traceroute, RFC 3193
22 145 EIP Extended Internet Protocol, RFC 1385
23 144 IMITD IMI Traffic Descriptor
25 30 EXP RFC3692-style Experiment
25 94 EXP RFC3692-style Experiment
25 158 EXP RFC3692-style Experiment
25 222 EXP RFC3692-style Experiment
30 25 QS Quick-Start
31 152 UMP Upstream Multicast Pkt.
... ... ... Further options numbers
may be assigned by IANA
See for the definition of IPv4
options.
See the list of IPv4 option numbers assigned by IANA at .
The diagram provided in is incorrect.
The diagram in this registry is taken from Errata 1737. See
tcpOptions
unsigned64
minMax
flags
209
all
current
TCP options in packets of this Flow.
The information is encoded in a set of bit fields. For
each TCP option, there is a bit in this set.
The bit is set to 1 if any observed packet of this Flow
contains the corresponding TCP option.
Otherwise, if no observed packet of this Flow contained
the respective TCP option, the value of the
corresponding bit is 0.
Options are mapped to bits according to their option
numbers. Option number X is mapped to bit X.
TCP option numbers are maintained by IANA.
0 1 2 3 4 5 6 7
+-----+-----+-----+-----+-----+-----+-----+-----+
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | ...
+-----+-----+-----+-----+-----+-----+-----+-----+
8 9 10 11 12 13 14 15
+-----+-----+-----+-----+-----+-----+-----+-----+
... | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |...
+-----+-----+-----+-----+-----+-----+-----+-----+
16 17 18 19 20 21 22 23
+-----+-----+-----+-----+-----+-----+-----+-----+
... | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |...
+-----+-----+-----+-----+-----+-----+-----+-----+
. . .
56 57 58 59 60 61 62 63
+-----+-----+-----+-----+-----+-----+-----+-----+
... | 63 | 62 | 61 | 60 | 59 | 58 | 57 | 56 |
+-----+-----+-----+-----+-----+-----+-----+-----+
See for the definition of TCP
options.
See the list of TCP option numbers assigned by IANA at .
The diagram provided in is incorrect.
The diagram in this registry is taken from Errata 1739. See
paddingOctets
octetArray
padding
210
option
current
The value of this Information Element is always a sequence of
0x00 values.
collectorIPv4Address
ipv4Address
config
identifier
211
all
current
An IPv4 address to which the Exporting Process sends Flow
information.
collectorIPv6Address
ipv6Address
config
identifier
212
all
current
An IPv6 address to which the Exporting Process sends Flow
information.
exportInterface
unsigned32
config
identifier
213
all
current
The index of the interface from which IPFIX Messages sent
by the Exporting Process to a Collector leave the IPFIX
Device. The value matches the value of
managed object 'ifIndex' as defined in RFC 2863.
Note that ifIndex values are not assigned statically to an
interface and that the interfaces may be renumbered every
time the device's management system is re-initialized, as
specified in RFC 2863.
See for the definition of the
ifIndex object.
exportProtocolVersion
unsigned8
config
identifier
214
all
current
The protocol version used by the Exporting Process for
sending Flow information. The protocol version is given
by the value of the Version Number field in the Message
Header.
The protocol version is 10 for IPFIX and 9 for NetFlow
version 9.
A value of 0 indicates that no export protocol is in use.
See the IPFIX protocol
specification for the definition of the IPFIX Message Header.
See for the definition of the
NetFlow version 9 message header.
exportTransportProtocol
unsigned8
config
identifier
215
all
current
The value of the protocol number used by the Exporting Process
for sending Flow information.
The protocol number identifies the IP packet payload type.
Protocol numbers are defined in the IANA Protocol Numbers
registry.
In Internet Protocol version 4 (IPv4), this is carried in the
Protocol field. In Internet Protocol version 6 (IPv6), this
is carried in the Next Header field in the last extension
header of the packet.
See for the specification of the IPv4
protocol field.
See for the specification of the
IPv6 protocol field.
See the list of protocol numbers assigned by IANA at .
collectorTransportPort
unsigned16
config
identifier
216
all
current
The destination port identifier to which the Exporting
Process sends Flow information. For the transport protocols
UDP, TCP, and SCTP, this is the destination port number.
This field MAY also be used for future transport protocols
that have 16-bit source port identifiers.
See for the definition of the UDP
destination port field.
See for the definition of the TCP
destination port field.
See for the definition of SCTP.
Additional information on defined UDP and TCP port numbers can be
found at .
exporterTransportPort
unsigned16
config
identifier
217
all
current
The source port identifier from which the Exporting
Process sends Flow information. For the transport protocols
UDP, TCP, and SCTP, this is the source port number.
This field MAY also be used for future transport protocols
that have 16-bit source port identifiers. This field may
be useful for distinguishing multiple Exporting Processes
that use the same IP address.
See for the definition of the UDP
source port field.
See for the definition of the TCP
source port field.
See for the definition of SCTP.
Additional information on defined UDP and TCP port numbers can be
found at .
tcpSynTotalCount
unsigned64
flowCounter
totalCounter
218
data
current
The total number of packets of this Flow with
TCP "Synchronize sequence numbers" (SYN) flag set.
packets
See for the definition of the TCP SYN
flag.
tcpFinTotalCount
unsigned64
flowCounter
totalCounter
219
data
current
The total number of packets of this Flow with
TCP "No more data from sender" (FIN) flag set.
packets
See for the definition of the TCP FIN
flag.
tcpRstTotalCount
unsigned64
flowCounter
totalCounter
220
data
current
The total number of packets of this Flow with
TCP "Reset the connection" (RST) flag set.
packets
See for the definition of the TCP RST
flag.
tcpPshTotalCount
unsigned64
flowCounter
totalCounter
221
data
current
The total number of packets of this Flow with
TCP "Push Function" (PSH) flag set.
packets
See for the definition of the TCP PSH
flag.
tcpAckTotalCount
unsigned64
flowCounter
totalCounter
222
data
current
The total number of packets of this Flow with
TCP "Acknowledgment field significant" (ACK) flag set.
packets
See for the definition of the TCP ACK
flag.
tcpUrgTotalCount
unsigned64
flowCounter
totalCounter
223
data
current
The total number of packets of this Flow with
TCP "Urgent Pointer field significant" (URG) flag set.
packets
See for the definition of the TCP URG
flag.
ipTotalLength
unsigned64
ipHeader
224
all
current
The total length of the IP packet.
octets
See for the specification of the IPv4
total length.
See for the specification of the
IPv6 payload length.
See for the specification of the
IPv6 jumbo payload length.
postNATSourceIPv4Address
ipv4Address
identifier
225
current
The definition of this Information Element is identical to the
definition of Information Element 'sourceIPv4Address', except
that it reports a modified value caused by a NAT middlebox
function after the packet passed the Observation Point.
See for the definition of the IPv4 source
address field. See for the definition of
NAT. See for the definition of middleboxes.
postNATDestinationIPv4Address
ipv4Address
identifier
226
current
The definition of this Information Element is identical to the
definition of Information Element 'destinationIPv4Address',
except that it reports a modified value caused by a NAT
middlebox function after the packet passed the Observation
Point.
See for the definition of the IPv4 destination
address field. See for the definition of
NAT. See for the definition of middleboxes.
postNAPTSourceTransportPort
unsigned16
identifier
227
current
The definition of this Information Element is identical to the
definition of Information Element 'sourceTransportPort', except
that it reports a modified value caused by a Network Address
Port Translation (NAPT) middlebox function after the packet
passed the Observation Point.
See for the definition of the UDP source port
field. See for the definition of the TCP
source port field. See for the definition of
SCTP.
See for the definition of NAPT. See for the definition of middleboxes.
Additional information on defined UDP and TCP port numbers can
be found at http://www.iana.org/assignments/port-numbers.
postNAPTDestinationTransportPort
unsigned16
identifier
228
current
The definition of this Information Element is identical to the
definition of Information Element 'destinationTransportPort',
except that it reports a modified value caused by a Network
Address Port Translation (NAPT) middlebox function after the
packet passed the Observation Point.
See for the definition of the UDP source port
field. See for the definition of the TCP
source port field. See for the definition of
SCTP.
See for the definition of NAPT. See for the definition of middleboxes.
Additional information on defined UDP and TCP port numbers can
be found at http://www.iana.org/assignments/port-numbers.
natOriginatingAddressRealm
unsigned8
flags
229
current
Indicates whether the session was created because traffic
originated in the private or public address realm.
postNATSourceIPv4Address, postNATDestinationIPv4Address,
postNAPTSourceTransportPort, and
postNAPTDestinationTransportPort are qualified with the address
realm in perspective.
The allowed values are:
Private: 1
Public: 2
See for the definition of NAT.
natEvent
unsigned8
230
current
Indicates a NAT event. The allowed values are:
1 - Create event.
2 - Delete event.
3 - Pool exhausted.
A Create event is generated when a NAT translation is created,
whether dynamically or statically. A Delete event is generated
when a NAT translation is deleted.
See for the definition of NAT.
initiatorOctets
unsigned64
231
current
The total number of layer 4 payload bytes in a flow from the
initiator. The initiator is the device which triggered the
session creation, and remains the same for the life of the
session.
octets
See #298, initiatorPackets.
responderOctets
unsigned64
232
current
The total number of layer 4 payload bytes in a flow from the
responder. The responder is the device which replies to the
initiator, and remains the same for the life of the session.
octets
See #299, responderPackets.
firewallEvent
unsigned8
233
current
Indicates a firewall event. The allowed values are:
0 - Ignore (invalid)
1 - Flow Created
2 - Flow Deleted
3 - Flow Denied
4 - Flow Alert
5 - Flow Update
ingressVRFID
unsigned32
234
current
An unique identifier of the VRFname where the packets of this
flow are being received. This identifier is unique per Metering
Process
egressVRFID
unsigned32
235
current
An unique identifier of the VRFname where the packets of this
flow are being sent. This identifier is unique per Metering
Process
VRFname
string
236
current
The name of a VPN Routing and Forwarding table (VRF).
See for the definition of VRF.
postMplsTopLabelExp
unsigned8
subIpHeader
flags
237
all
current
The definition of this Information Element is identical to the
definition of Information Element 'mplsTopLabelExp', except
that it reports a potentially modified value caused by a
middlebox function after the packet passed the Observation
Point.
See for the specification of the Exp
field.
See for usage of the Exp field.
tcpWindowScale
unsigned16
transportHeader
238
all
current
The scale of the window field in the TCP header.
See for the definition of the TCP
window scale.
biflowDirection
unsigned8
misc
identifier
239
all
current
A description of the direction assignment method used to
assign the Biflow Source and Destination. This Information Element
MAY be present in a Flow Data Record, or applied to all flows exported
from an Exporting Process or Observation Domain using IPFIX Options.
If this Information Element is not present in a Flow Record or
associated with a Biflow via scope, it is assumed that the
configuration of the direction assignment method is done out-of-band.
Note that when using IPFIX Options to apply this Information Element
to all flows within an Observation Domain or from an Exporting
Process, the Option SHOULD be sent reliably. If reliable transport is
not available (i.e., when using UDP), this Information Element SHOULD
appear in each Flow Record. This field may take the following
values:
+-------+------------------+----------------------------------------+
| Value | Name | Description |
+-------+------------------+----------------------------------------+
| 0x00 | arbitrary | Direction was assigned arbitrarily. |
| 0x01 | initiator | The Biflow Source is the flow |
| | | initiator, as determined by the |
| | | Metering Process' best effort to |
| | | detect the initiator. |
| 0x02 | reverseInitiator | The Biflow Destination is the flow |
| | | initiator, as determined by the |
| | | Metering Process' best effort to |
| | | detect the initiator. This value is |
| | | provided for the convenience of |
| | | Exporting Processes to revise an |
| | | initiator estimate without re-encoding |
| | | the Biflow Record. |
| 0x03 | perimeter | The Biflow Source is the endpoint |
| | | outside of a defined perimeter. The |
| | | perimeter's definition is implicit in |
| | | the set of Biflow Source and Biflow |
| | | Destination addresses exported in the |
| | | Biflow Records. |
+-------+------------------+----------------------------------------+
ethernetHeaderLength
unsigned8
identifier
240
current
The difference between the length of an Ethernet frame (minus the
FCS) and the length of its MAC Client Data section (including any
padding) as defined in section 3.1 of [IEEE.802-3.2005]. It does
not include the Preamble, SFD and Extension field lengths.
octets
[IEEE.802-3.2005]
ethernetPayloadLength
unsigned16
identifier
241
current
The length of the MAC Client Data section (including any padding)
of a frame as defined in section 3.1 of [IEEE.802-3.2005].
octets
[IEEE.802-3.2005]
ethernetTotalLength
unsigned16
identifier
242
current
The total length of the Ethernet frame (excluding the Preamble,
SFD, Extension and FCS fields) as described in section 3.1 of
[IEEE.802-3.2005].
octets
[IEEE.802-3.2005]
dot1qVlanId
unsigned16
identifier
243
current
The value of the 12-bit VLAN Identifier portion of the Tag
Control Information field of an Ethernet frame as described in
section 3.5.5 of [IEEE.802-3.2005]. The structure and semantics
within the Tag Control Information field are defined in IEEE
P802.1Q. In case of a QinQ frame, it represents the outer tag's
VLAN identifier and in case of an IEEE 802.1ad frame it
represents the Service VLAN identifier in the S-TAG Tag Control
Information (TCI) field as described in [IEEE.802-1ad.2005].
octets
[IEEE.802-3.2005]
dot1qPriority
unsigned8
identifier
244
current
The value of the 3-bit User Priority portion of the Tag Control
Information field of an Ethernet frame as described in section
3.5.5 of [IEEE.802-3.2005]. The structure and semantics within
the Tag Control Information field are defined in IEEE P802.1Q.
In case of a QinQ frame, it represents the outer tag's 3-bit
Class of Service (CoS) identifier and in case of an IEEE 802.1ad
frame it represents the 3-bit Priority Code Point (PCP) portion
of the S-TAG Tag Control Information (TCI) field as described in
[IEEE.802-1ad.2005].
[IEEE.802-3.2005]
[IEEE.802-1ad.2005]
dot1qCustomerVlanId
unsigned16
identifier
245
current
In case of a QinQ frame, it represents the inner tag's (*) VLAN
identifier and in case of an IEEE 802.1ad frame it represents the
Customer VLAN identifier in the C-TAG Tag Control Information
(TCI) field as described in [IEEE.802-1ad.2005].
(*) Note: the 801.2Q tag directly following the outer one.
[IEEE.802-1ad.2005]
[IEEE.802-1Q.2003]
dot1qCustomerPriority
unsigned8
identifier
246
current
In case of a QinQ frame, it represents the inner tag's (*) Class
of Service (CoS) identifier and in case of an IEEE 802.1ad frame
it represents the 3-bit Priority Code Point (PCP) portion of the
C-TAG Tag Control Information (TCI) field as described in
[IEEE.802-1ad.2005].
(*) Note: the 801.2Q tag directly following the outer one.
[IEEE.802-1ad.2005]
[IEEE.802-1Q.2003]
metroEvcId
string
247
current
The EVC Service Attribute which uniquely identifies the Ethernet
Virtual Connection (EVC) within a Metro Ethernet Network, as
defined in section 6.2 of MEF 10.1. The MetroEVCID is encoded in
a string of up to 100 characters.
MEF 10.1 (Ethernet Services Attributes Phase 2)
MEF16 (Ethernet Local Management Interface)
metroEvcType
unsigned8
identifier
248
current
The 3-bit EVC Service Attribute which identifies the type of
service provided by an EVC.
MEF 10.1 (Ethernet Services Attributes Phase 2)
MEF16 (Ethernet Local Management Interface)
pseudoWireId
unsigned32
identifier
249
current
A 32-bit non-zero connection identifier, which together with the
pseudoWireType, identifies the Pseudo Wire (PW) as defined in RFC
4447 [RFC4447].
See for pseudowire definitions.
pseudoWireType
unsigned16
identifier
250
current
The value of this information element identifies the type of MPLS
Pseudo Wire (PW) as defined in RFC 4446.
See for the pseudowire type definition, and
http://www.iana.org/assignments/pwe3-parameters for the IANA
Pseudowire Types Registry.
pseudoWireControlWord
unsigned32
identifier
251
current
The 32-bit Preferred Pseudo Wire (PW) MPLS Control Word as
defined in Section 3 of .
See for the Pseudo Wire Control Word
definition.
ingressPhysicalInterface
unsigned32
identifier
252
current
The index of a networking device's physical interface (example, a
switch port) where packets of this flow are being received.
See for the definition of the ifIndex object.
egressPhysicalInterface
unsigned32
identifier
253
current
The index of a networking device's physical interface (example, a
switch port) where packets of this flow are being sent.
See for the definition of the ifIndex object.
postDot1qVlanId
unsigned16
identifier
254
current
The definition of this Information Element is identical to the
definition of Information Element 'dot1qVlanId', except that it
reports a potentially modified value caused by a middlebox
function after the packet passed the Observation Point.
[IEEE.802-3.2005]
[IEEE.802-1ad.2005]
postDot1qCustomerVlanId
unsigned16
identifier
255
current
The definition of this Information Element is identical to the
definition of Information Element 'dot1qCustomerVlanId', except
that it reports a potentially modified value caused by a
middlebox function after the packet passed the Observation Point.
[IEEE.802-1ad.2005]
[IEEE.802-1Q.2003]
ethernetType
unsigned16
identifier
256
current
The Ethernet type field of an Ethernet frame that identifies the
MAC client protocol carried in the payload as defined in
paragraph 1.4.349 of [IEEE.802-3.2005].
[IEEE.802-3.2005]
Ethertype registry available at
http://standards.ieee.org/regauth/ethertype/eth.txt
postIpPrecedence
unsigned8
identifier
257
current
The definition of this Information Element is identical to the
definition of Information Element 'ipPrecedence', except that
it reports a potentially modified value caused by a middlebox
function after the packet passed the Observation Point.
0-7
See (Section 5.3.3) and
for the definition of the
IP Precedence. See
(Section 5.3.2) and for the
definition of the IPv4 TOS field. See
for the definition of the
IPv6 Traffic Class field.
collectionTimeMilliseconds
dateTimeMilliseconds
258
current
The absolute timestamp at which the data within the
scope containing this Information Element was received by a
Collecting Process. This Information Element SHOULD be bound to
its containing IPFIX Message via IPFIX Options and the
messageScope Information Element, as defined below.
exportSctpStreamId
unsigned16
identifier
259
current
The value of the SCTP Stream Identifier used by the
Exporting Process for exporting IPFIX Message data. This is
carried in the Stream Identifier field of the header of the SCTP
DATA chunk containing the IPFIX Message(s).
maxExportSeconds
dateTimeSeconds
260
current
The absolute Export Time of the latest IPFIX Message
within the scope containing this Information Element. This
Information Element SHOULD be bound to its containing IPFIX
Transport Session via IPFIX Options and the sessionScope
Information Element.
seconds
maxFlowEndSeconds
dateTimeSeconds
261
current
The latest absolute timestamp of the last packet
within any Flow within the scope containing this Information
Element, rounded up to the second if necessary. This Information
Element SHOULD be bound to its containing IPFIX Transport Session
via IPFIX Options and the sessionScope Information Element.
seconds
messageMD5Checksum
octetArray
262
current
The MD5 checksum of the IPFIX Message containing this
record. This Information Element SHOULD be bound to its
containing IPFIX Message via an options record and the
messageScope Information Element, as defined below, and SHOULD
appear only once in a given IPFIX Message. To calculate the value
of this Information Element, first buffer the containing IPFIX
Message, setting the value of this Information Element to all
zeroes. Then calculate the MD5 checksum of the resulting buffer
as defined in [RFC1321], place the resulting value in this
Information Element, and export the buffered message. This
Information Element is intended as a simple checksum only;
therefore collision resistance and algorithm agility are not
required, and MD5 is an appropriate message digest.
This Information Element has a fixed length of 16 octets.
messageScope
unsigned8
263
current
The presence of this Information Element as scope in
an Options Template signifies that the options described by the
Template apply to the IPFIX Message that contains them. It is
defined for general purpose message scoping of options, and
proposed specifically to allow the attachment a checksum to a
message via IPFIX Options. The value of this Information Element
MUST be written as 0 by the File Writer or Exporting Process. The
value of this Information Element MUST be ignored by the File
Reader or the Collecting Process.
minExportSeconds
dateTimeSeconds
264
current
The absolute Export Time of the earliest IPFIX Message
within the scope containing this Information Element. This
Information Element SHOULD be bound to its containing IPFIX
Transport Session via an options record and the sessionScope
Information Element.
seconds
minFlowStartSeconds
dateTimeSeconds
265
current
The earliest absolute timestamp of the first packet
within any Flow within the scope containing this Information
Element, rounded down to the second if necessary. This
Information Element SHOULD be bound to its containing IPFIX
Transport Session via an options record and the sessionScope
Information Element.
seconds
opaqueOctets
octetArray
266
current
This Information Element is used to encapsulate non-
IPFIX data into an IPFIX Message stream, for the purpose of
allowing a non-IPFIX data processor to store a data stream inline
within an IPFIX File. A Collecting Process or File Writer MUST
NOT try to interpret this binary data. This Information Element
differs from paddingOctets as its contents are meaningful in some
non-IPFIX context, while the contents of paddingOctets MUST be
0x00 and are intended only for Information Element alignment.
sessionScope
unsigned8
267
current
The presence of this Information Element as scope in
an Options Template signifies that the options described by the
Template apply to the IPFIX Transport Session that contains them.
Note that as all options are implicitly scoped to Transport
Session and Observation Domain, this Information Element is
equivalent to a "null" scope. It is defined for general purpose
session scoping of options, and proposed specifically to allow the
attachment of time window to an IPFIX File via IPFIX Options. The
value of this Information Element MUST be written as 0 by the File
Writer or Exporting Process. The value of this Information
Element MUST be ignored by the File Reader or the Collecting
Process.
maxFlowEndMicroseconds
dateTimeMicroseconds
268
current
The latest absolute timestamp of the last packet
within any Flow within the scope containing this Information
Element, rounded up to the microsecond if necessary. This
Information Element SHOULD be bound to its containing IPFIX
Transport Session via IPFIX Options and the sessionScope
Information Element. This Information Element SHOULD be used only
in Transport Sessions containing Flow Records with microsecond-
precision (or better) timestamp Information Elements.
microseconds
maxFlowEndMilliseconds
dateTimeMilliseconds
269
current
The latest absolute timestamp of the last packet
within any Flow within the scope containing this Information
Element, rounded up to the millisecond if necessary. This
Information Element SHOULD be bound to its containing IPFIX
Transport Session via IPFIX Options and the sessionScope
Information Element. This Information Element SHOULD be used only
in Transport Sessions containing Flow Records with millisecond-
precision (or better) timestamp Information Elements.
milliseconds
maxFlowEndNanoseconds
dateTimeNanoseconds
270
current
The latest absolute timestamp of the last packet
within any Flow within the scope containing this Information
Element. This Information Element SHOULD be bound to its
containing IPFIX Transport Session via IPFIX Options and the
sessionScope Information Element. This Information Element SHOULD
be used only in Transport Sessions containing Flow Records with
nanosecond-precision timestamp Information Elements.
nanoseconds
minFlowStartMicroseconds
dateTimeMicroseconds
271
current
The earliest absolute timestamp of the first packet
within any Flow within the scope containing this Information
Element, rounded down to the microsecond if necessary. This
Information Element SHOULD be bound to its containing IPFIX
Transport Session via an options record and the sessionScope
Information Element. This Information Element SHOULD be used only
in Transport Sessions containing Flow Records with microsecond-
precision (or better) timestamp Information Elements.
microseconds
minFlowStartMilliseconds
dateTimeMilliseconds
272
current
The earliest absolute timestamp of the first packet
within any Flow within the scope containing this Information
Element, rounded down to the millisecond if necessary. This
Information Element SHOULD be bound to its containing IPFIX
Transport Session via an options record and the sessionScope
Information Element. This Information Element SHOULD be used only
in Transport Sessions containing Flow Records with millisecond-
precision (or better) timestamp Information Elements.
milliseconds
minFlowStartNanoseconds
dateTimeNanoseconds
273
current
The earliest absolute timestamp of the first packet
within any Flow within the scope containing this Information
Element. This Information Element SHOULD be bound to its
containing IPFIX Transport Session via an options record and the
sessionScope Information Element. This Information Element SHOULD
be used only in Transport Sessions containing Flow Records with
nanosecond-precision timestamp Information Elements.
nanoseconds
collectorCertificate
octetArray
274
current
The full X.509 certificate, encoded in ASN.1 DER
format, used by the Collector when IPFIX Messages were transmitted
using TLS or DTLS. This Information Element SHOULD be bound to
its containing IPFIX Transport Session via an options record and
the sessionScope Information Element, or to its containing IPFIX
Message via an options record and the messageScope Information
Element.
exporterCertificate
octetArray
275
current
The full X.509 certificate, encoded in ASN.1 DER
format, used by the Collector when IPFIX Messages were transmitted
using TLS or DTLS. This Information Element SHOULD be bound to
its containing IPFIX Transport Session via an options record and
the sessionScope Information Element, or to its containing IPFIX
Message via an options record and the messageScope Information
Element.
dataRecordsReliability
boolean
identifier
276
current
The export reliability of Data Records, within this SCTP
stream, for the element(s) in the Options Template
scope. A typical example of an element for which the
export reliability will be reported is the templateID,
as specified in the Data Records Reliability Options
Template. A value of 'True' means that the Exporting
Process MUST send any Data Records associated with the
element(s) reliably within this SCTP stream. A value of
'False' means that the Exporting Process MAY send any
Data Records associated with the element(s) unreliably
within this SCTP stream.
observationPointType
unsigned8
identifier
277
current
Type of observation point. Values assigned to date are:
1. Physical port
2. Port channel
3. Vlan.
connectionCountNew
unsigned32
deltaCounter
278
current
This information element counts the number of TCP or UDP
connections which were opened during the observation period. The
observation period may be specified by the flow start and end timestamps.
connectionSumDuration
unsigned64
279
current
This information element aggregates the total time in
seconds for all of the TCP or UDP connections which were in use during
the observation period. For example if there are 5 concurrent
connections each for 10 seconds, the value would be 50 s.
connectionTransactionId
unsigned64
identifier
280
current
This information element identifies a transaction within a
connection. A transaction is a meaningful exchange of application data
between two network devices or a client and server. A transactionId is
assigned the first time a flow is reported, so that later reports for
the same flow will have the same transactionId. A different
transactionId is used for each transaction within a TCP or UDP
connection. The identifiers need not be sequential.
postNATSourceIPv6Address
ipv6Address
281
current
The definition of this Information Element is identical to
the definition of Information Element 'sourceIPv6Address', except that
it reports a modified value caused by a NAT64 middlebox function after
the packet passed the Observation Point.
See [RFC2460] for the definition of the Source Address field in the IPv6
header. See [RFC3234] for the definition of middleboxes. See
http://tools.ietf.org/html/draft-ietf-behave-v6v4-xlate-stateful-12 for
nat64 specification.
postNATDestinationIPv6Address
ipv6Address
282
current
The definition of this Information Element is identical to
the definition of Information Element 'destinationIPv6Address', except
that it reports a modified value caused by a NAT64 middlebox function
after the packet passed the Observation Point.
See [RFC2460] for the definition of the Destination Address field in the
IPv6 header. See [RFC3234] for the definition of middleboxes. See
http://tools.ietf.org/html/draft-ietf-behave-v6v4-xlate-stateful-12 for
nat64 specification.
natPoolId
unsigned32
identifier
283
current
Locally unique identifier of a NAT pool.
natPoolName
string
284
current
The name of a NAT pool identified by a natPoolID.
anonymizationFlags
unsigned16
flags
285
current
A flag word describing specialized modifications to
the anonymization policy in effect for the anonymization technique
applied to a referenced Information Element within a referenced
Template. When flags are clear (0), the normal policy (as
described by anonymizationTechnique) applies without modification.
MSB 14 13 12 11 10 9 8 7 6 5 4 3 2 1 LSB
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
| Reserved |LOR|PmA| SC |
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
anonymizationFlags IE
+--------+----------+-----------------------------------------------+
| bit(s) | name | description |
| (LSB = | | |
| 0) | | |
+--------+----------+-----------------------------------------------+
| 0-1 | SC | Stability Class: see the Stability Class |
| | | table below, and section Section 5.1. |
| 2 | PmA | Perimeter Anonymization: when set (1), |
| | | source- Information Elements as described in |
| | | [RFC5103] are interpreted as external |
| | | addresses, and destination- Information |
| | | Elements as described in [RFC5103] are |
| | | interpreted as internal addresses, for the |
| | | purposes of associating |
| | | anonymizationTechnique to Information |
| | | Elements only; see Section 7.2.2 for details. |
| | | This bit MUST NOT be set when associated with |
| | | a non-endpoint (i.e., source- or |
| | | destination-) Information Element. SHOULD be |
| | | consistent within a record (i.e., if a |
| | | source- Information Element has this flag |
| | | set, the corresponding destination- element |
| | | SHOULD have this flag set, and vice-versa.) |
| 3 | LOR | Low-Order Unchanged: when set (1), the |
| | | low-order bits of the anonymized Information |
| | | Element contain real data. This modification |
| | | is intended for the anonymization of |
| | | network-level addresses while leaving |
| | | host-level addresses intact in order to |
| | | preserve host level-structure, which could |
| | | otherwise be used to reverse anonymization. |
| | | MUST NOT be set when associated with a |
| | | truncation-based anonymizationTechnique. |
| 4-15 | Reserved | Reserved for future use: SHOULD be cleared |
| | | (0) by the Exporting Process and MUST be |
| | | ignored by the Collecting Process. |
+--------+----------+-----------------------------------------------+
The Stability Class portion of this flags word describes the
stability class of the anonymization technique applied to a
referenced Information Element within a referenced Template.
Stability classes refer to the stability of the parameters of the
anonymization technique, and therefore the comparability of the
mapping between the real and anonymized values over time. This
determines which anonymized datasets may be compared with each
other. Values are as follows:
+-----+-----+-------------------------------------------------------+
| Bit | Bit | Description |
| 1 | 0 | |
+-----+-----+-------------------------------------------------------+
| 0 | 0 | Undefined: the Exporting Process makes no |
| | | representation as to how stable the mapping is, or |
| | | over what time period values of this field will |
| | | remain comparable; while the Collecting Process MAY |
| | | assume Session level stability, Session level |
| | | stability is not guaranteed. Processes SHOULD assume |
| | | this is the case in the absence of stability class |
| | | information; this is the default stability class. |
| 0 | 1 | Session: the Exporting Process will ensure that the |
| | | parameters of the anonymization technique are stable |
| | | during the Transport Session. All the values of the |
| | | described Information Element for each Record |
| | | described by the referenced Template within the |
| | | Transport Session are comparable. The Exporting |
| | | Process SHOULD endeavour to ensure at least this |
| | | stability class. |
| 1 | 0 | Exporter-Collector Pair: the Exporting Process will |
| | | ensure that the parameters of the anonymization |
| | | technique are stable across Transport Sessions over |
| | | time with the given Collecting Process, but may use |
| | | different parameters for different Collecting |
| | | Processes. Data exported to different Collecting |
| | | Processes are not comparable. |
| 1 | 1 | Stable: the Exporting Process will ensure that the |
| | | parameters of the anonymization technique are stable |
| | | across Transport Sessions over time, regardless of |
| | | the Collecting Process to which it is sent. |
+-----+-----+-------------------------------------------------------+
anonymizationTechnique
unsigned16
identifier
286
current
A description of the anonymization technique applied
to a referenced Information Element within a referenced Template.
Each technique may be applicable only to certain Information
Elements and recommended only for certain Infomation Elements;
these restrictions are noted in the table below.
+-------+---------------------------+-----------------+-------------+
| Value | Description | Applicable to | Recommended |
| | | | for |
+-------+---------------------------+-----------------+-------------+
| 0 | Undefined: the Exporting | all | all |
| | Process makes no | | |
| | representation as to | | |
| | whether the defined field | | |
| | is anonymized or not. | | |
| | While the Collecting | | |
| | Process MAY assume that | | |
| | the field is not | | |
| | anonymized, it is not | | |
| | guaranteed not to be. | | |
| | This is the default | | |
| | anonymization technique. | | |
| 1 | None: the values exported | all | all |
| | are real. | | |
| 2 | Precision | all | all |
| | Degradation/Truncation: | | |
| | the values exported are | | |
| | anonymized using simple | | |
| | precision degradation or | | |
| | truncation. The new | | |
| | precision or number of | | |
| | truncated bits is | | |
| | implicit in the exported | | |
| | data, and can be deduced | | |
| | by the Collecting | | |
| | Process. | | |
| 3 | Binning: the values | all | all |
| | exported are anonymized | | |
| | into bins. | | |
| 4 | Enumeration: the values | all | timestamps |
| | exported are anonymized | | |
| | by enumeration. | | |
| 5 | Permutation: the values | all | identifiers |
| | exported are anonymized | | |
| | by permutation. | | |
| 6 | Structured Permutation: | addresses | |
| | the values exported are | | |
| | anonymized by | | |
| | permutation, preserving | | |
| | bit-level structure as | | |
| | appropriate; this | | |
| | represents | | |
| | prefix-preserving IP | | |
| | address anonymization or | | |
| | structured MAC address | | |
| | anonymization. | | |
| 7 | Reverse Truncation: the | addresses | |
| | values exported are | | |
| | anonymized using reverse | | |
| | truncation. The number | | |
| | of truncated bits is | | |
| | implicit in the exported | | |
| | data, and can be deduced | | |
| | by the Collecting | | |
| | Process. | | |
| 8 | Noise: the values | non-identifiers | counters |
| | exported are anonymized | | |
| | by adding random noise to | | |
| | each value. | | |
| 9 | Offset: the values | all | timestamps |
| | exported are anonymized | | |
| | by adding a single offset | | |
| | to all values. | | |
+-------+---------------------------+-----------------+-------------+
informationElementIndex
unsigned16
identifier
287
current
A zero-based index of an Information Element
referenced by informationElementId within a Template referenced by
templateId; used to disambiguate scope for templates containing
multiple identical Information Elements.
p2pTechnology
string
288
current
Specifies if the Application ID is based on peer-to-peer
technology.
Possible values are: { "yes", "y", 1 },
{ "no", "n", 2 } and { "unassigned", "u", 0 }.
tunnelTechnology
string
289
current
Specifies if the Application ID is used as a tunnel technology.
Possible values are: { "yes", "y", 1 }, { "no", "n", 2 } and
{ "unassigned", "u", 0 }.
encryptedTechnology
string
290
current
Specifies if the Application ID is an encrypted networking
protocol.
Possible values are: { "yes", "y", 1 },
{ "no", "n", 2 } and { "unassigned", "u", 0 }.
basicList
basicList
list
291
current
Specifies a generic Information Element with a basicList abstract
data type. For example, a list of port numbers, a list of
interface indexes, etc.
subTemplateList
subTemplateList
list
292
current
Specifies a generic Information Element with a subTemplateList
abstract data type.
subTemplateMultiList
subTemplateMultiList
list
293
current
Specifies a generic Information Element with a
subTemplateMultiList abstract data type.
bgpValidityState
unsigned8
identifier
294
current
This element describes the "validity state" of the BGP route correspondent source or destination IP address. If the "validity state" for this Flow is only available, then the value of this Information Element is 255.
See for a description of BGP-4,
for the
definition of "validity states" and
for the encoding of those "validity states".
IPSecSPI
unsigned32
identifier
295
current
IPSec Security Parameters Index (SPI).
0x0-0xFFFFFFFF
See for the definition of SPI.
greKey
unsigned32
identifier
296
current
GRE key, which is used for identifying an individual traffic flow within a tunnel.
0x0-0xFFFFFFFF
See for the definition of GRE and the GRE Key.
natType
unsigned8
identifier
297
current
The type of NAT treatment:
0 unknown
1 NAT44 translated
2 NAT64 translated
3 NAT46 translated
4 IPv4-->IPv4 (no NAT)
5 NAT66 translated
6 IPv6-->IPv6 (no NAT)
See for the definition of NAT.
See for the definition of NAT44.
See for the definition of NAT64.
See for the definition of NAT46.
See for the definition of NAT66.
See for the definition of IPv4.
See for the definition of IPv6.
initiatorPackets
unsigned64
identifier
298
current
The total number of layer 4 packets in a flow from the
initiator. The initiator is the device which triggered the
session creation, and remains the same for the life of the
session.
packets
See #231, initiatorOctets.
responderPackets
unsigned64
identifier
299
current
The total number of layer 4 packets in a flow from the
responder. The responder is the device which replies to the
initiator, and remains the same for the life of the session.
packets
See #232, responderOctets.
observationDomainName
string
300
current
The name of an observation domain identified by an
observationDomainId.
See #149, observationDomainId.
selectionSequenceId
unsigned64
identifier
301
current
From all the packets observed at an Observation Point, a subset of
the packets is selected by a sequence of one or more Selectors.
The selectionSequenceId is a unique value per Observation Domain,
specifying the Observation Point and the sequence of Selectors
through which the packets are selected.
selectorId
unsigned64
identifier
302
current
The Selector ID is the unique ID identifying a Primitive Selector.
Each Primitive Selector must have a unique ID in the Observation
Domain.
informationElementId
unsigned16
identifier
303
current
This Information Element contains the ID of another Information
Element.
selectorAlgorithm
unsigned16
identifier
304
current
This Information Element identifies the packet selection methods
(e.g., Filtering, Sampling) that are applied by the Selection
Process.
Most of these methods have parameters. Further Information
Elements are needed to fully specify packet selection with these
methods and all their parameters.
The methods listed below are defined in [RFC5475]. For their parameters, Information Elements are defined in
the information model document. The names of these Information
Elements are listed for each method identifier.
Further method identifiers may be added to the list below. It
might be necessary to define new Information Elements to specify
their parameters.
The selectorAlgorithm registry is maintained by IANA. New
assignments for the registry will be administered by IANA, and
are subject to Expert Review [RFC5226].
The registry can be updated when specifications of the new
method(s) and any new Information Elements are provided.
The group of experts must double check the selectorAlgorithm
definitions and Information Elements with already defined
selectorAlgorithms and Information Elements for completeness,
accuracy, and redundancy. Those experts will initially be drawn
from the Working Group Chairs and document editors of the IPFIX
and PSAMP Working Groups.
The following packet selection methods identifiers are defined
here:
http://www.iana.org/assignments/psamp-parameters/psamp-parameters.xhtml
There is a broad variety of possible parameters that could be used
for Property match Filtering (5) but currently there are no agreed
parameters specified.
samplingPacketInterval
unsigned32
quantity
305
current
This Information Element specifies the number of packets that are
consecutively sampled. A value of 100 means that 100
consecutive packets are sampled.
For example, this Information Element may be used to describe the
configuration of a systematic count-based Sampling Selector.
packets
samplingPacketSpace
unsigned32
quantity
306
current
This Information Element specifies the number of packets between
two "samplingPacketInterval"s. A value of 100 means that the next
interval starts 100 packets (which are not sampled) after the
current "samplingPacketInterval" is over.
For example, this Information Element may be used to describe the
configuration of a systematic count-based Sampling Selector.
packets
samplingTimeInterval
unsigned32
quantity
307
current
This Information Element specifies the time interval in
microseconds during which all arriving packets are sampled.
For example, this Information Element may be used to describe the
configuration of a systematic time-based Sampling Selector.
microseconds
samplingTimeSpace
unsigned32
quantity
308
current
This Information Element specifies the time interval in
microseconds between two "samplingTimeInterval"s. A value of 100
means that the next interval starts 100 microseconds (during which
no packets are sampled) after the current "samplingTimeInterval"
is over.
For example, this Information Element may used to describe the
configuration of a systematic time-based Sampling Selector.
microseconds
samplingSize
unsigned32
quantity
309
current
This Information Element specifies the number of elements taken
from the parent Population for random Sampling methods.
For example, this Information Element may be used to describe the
configuration of a random n-out-of-N Sampling Selector.
packets
samplingPopulation
unsigned32
quantity
310
current
This Information Element specifies the number of elements in the
parent Population for random Sampling methods.
For example, this Information Element may be used to describe the
configuration of a random n-out-of-N Sampling Selector.
packets
samplingProbability
float64
quantity
311
current
This Information Element specifies the probability that a packet
is sampled, expressed as a value between 0 and 1. The probability
is equal for every packet. A value of 0 means no packet was
sampled since the probability is 0.
For example, this Information Element may be used to describe the
configuration of a uniform probabilistic Sampling Selector.
dataLinkFrameSize
unsigned16
312
current
This Information Element specifies the length of the selected data
link frame.
The data link layer is defined in [ISO/IEC 7498-1:1994].
ipHeaderPacketSection
octetArray
313
current
This Information Element, which may have a variable length,
carries a series of octets from the start of the IP header of a
sampled packet.
With sufficient length, this element also reports octets from the
IP payload, subject to [RFC2804]. See the Security Considerations
section.
The size of the exported section may be constrained due to
limitations in the IPFIX protocol.
The data for this field MUST NOT be padded.
ipPayloadPacketSection
octetArray
314
current
This Information Element, which may have a variable length,
carries a series of octets from the start of the IP payload of a
sampled packet.
The IPv4 payload is that part of the packet that follows the IPv4
header and any options, which [RFC0791] refers to as "data" or
"data octets". For example, see the examples in [RFC0791], APPENDIX A.
The IPv6 payload is the rest of the packet following the 40 octet
IPv6 header. Note that any extension headers present are
considered part of the payload. See [RFC2460] for the IPv6
specification.
The size of the exported section may be constrained due to
limitations in the IPFIX protocol.
The data for this field MUST NOT be padded.
dataLinkFrameSection
octetArray
315
current
This Information Element carries n octets from the data link frame
of a selected frame, starting sectionOffset octets into the frame.
The sectionObservedOctets expresses how much data was observed,
while the remainder is padding.
When the sectionObservedOctets field corresponding to this
Information Element exists, this Information Element MAY have a
fixed length and MAY be padded, or MAY have a variable length.
When the sectionObservedOctets field corresponding to this
Information Element does not exist, this Information Element
SHOULD have a variable length and MUST NOT be padded. In this
case, the size of the exported section may be constrained due to
limitations in the IPFIX protocol.
Further Information Elements, i.e., dataLinkFrameType and
dataLinkFrameSize are needed to specify the data link type and the
size of the data link frame of this Information Element. A set of
these Information Elements MAY be contained in a structured data
type, as expressed in . Or a set of these Information
Elements MAY be contained in one Flow Record as shown in Appendix
C of .
The data link layer is defined in [ISO/IEC 7498-1:1994].
mplsLabelStackSection
octetArray
316
current
This Information Element, which may have a variable length,
carries the first n octets from the MPLS label stack of a sampled
packet.
With sufficient length, this element also reports octets from the
MPLS payload, subject to [RFC2804]. See the Security
Considerations section.
See [RFC3031] for the specification of MPLS packets.
See [RFC3032] for the specification of the MPLS label stack.
The size of the exported section may be constrained due to
limitations in the IPFIX protocol.
The data for this field MUST NOT be padded.
mplsPayloadPacketSection
octetArray
317
current
This Information Element, which may have a variable length,
carries the first n octets from the MPLS payload of a sampled
packet, being data that follows immediately after the MPLS label
stack.
See [RFC3031] for the specification of MPLS packets.
See [RFC3032] for the specification of the MPLS label stack.
The size of the exported section may be constrained due to
limitations in the IPFIX protocol.
The data for this field MUST NOT be padded.
selectorIdTotalPktsObserved
unsigned64
totalCounter
318
current
This Information Element specifies the total number of packets
observed by a Selector, for a specific value of SelectorId.
This Information Element should be used in an Options Template
scoped to the observation to which it refers. See Section 3.4.2.1
of the IPFIX protocol document [RFC5101].
packets
selectorIdTotalPktsSelected
unsigned64
totalCounter
319
current
This Information Element specifies the total number of packets
selected by a Selector, for a specific value of SelectorId.
This Information Element should be used in an Options Template
scoped to the observation to which it refers. See Section 3.4.2.1
of the IPFIX protocol document [RFC5101].
packets
absoluteError
float64
quantity
320
current
This Information Element specifies the maximum possible
measurement error of the reported value for a given Information
Element. The absoluteError has the same unit as the Information
Element with which it is associated. The real value of the metric can
differ by absoluteError (positive or negative) from the measured
value.
This Information Element provides only the error for measured
values. If an Information Element contains an estimated value
(from Sampling), the confidence boundaries and confidence level
have to be provided instead, using the upperCILimit, lowerCILimit,
and confidenceLevel Information Elements.
This Information Element should be used in an Options Template
scoped to the observation to which it refers. See Section 3.4.2.1
of the IPFIX protocol document [RFC5101].
The units of the Information Element for which the error is specified.
relativeError
float64
quantity
321
current
This Information Element specifies the maximum possible positive
or negative error ratio for the reported value for a given
Information Element as percentage of the measured value. The real
value of the metric can differ by relativeError percent (positive
or negative) from the measured value.
This Information Element provides only the error for measured
values. If an Information Element contains an estimated value
(from Sampling), the confidence boundaries and confidence level
have to be provided instead, using the upperCILimit, lowerCILimit,
and confidenceLevel Information Elements.
This Information Element should be used in an Options Template
scoped to the observation to which it refers. See Section 3.4.2.1
of the IPFIX protocol document [RFC5101].
observationTimeSeconds
dateTimeSeconds
quantity
322
current
This Information Element specifies the absolute time in seconds of
an observation.
seconds
observationTimeMilliseconds
dateTimeMilliseconds
quantity
323
current
This Information Element specifies the absolute time in
milliseconds of an observation.
milliseconds
observationTimeMicroseconds
dateTimeMicroseconds
quantity
324
current
This Information Element specifies the absolute time in
microseconds of an observation.
microseconds
observationTimeNanoseconds
dateTimeNanoseconds
quantity
325
current
This Information Element specifies the absolute time in
nanoseconds of an observation.
nanoseconds
digestHashValue
unsigned64
quantity
326
current
This Information Element specifies the value from the digest hash
function.
See also Sections 6.2, 3.8 and 7.1 of [RFC5475].
hashIPPayloadOffset
unsigned64
quantity
327
current
This Information Element specifies the IP payload offset used by a
Hash-based Selection Selector.
See also Sections 6.2, 3.8 and 7.1 of [RFC5475].
hashIPPayloadSize
unsigned64
quantity
328
current
This Information Element specifies the IP payload size used by a
Hash-based Selection Selector. See also Sections 6.2, 3.8 and 7.1 of
[RFC5475].
hashOutputRangeMin
unsigned64
quantity
329
current
This Information Element specifies the value for the beginning of
a hash function's potential output range.
See also Sections 6.2, 3.8 and 7.1 of [RFC5475].
hashOutputRangeMax
unsigned64
quantity
330
current
This Information Element specifies the value for the end of a hash
function's potential output range.
See also Sections 6.2, 3.8 and 7.1 of [RFC5475].
hashSelectedRangeMin
unsigned64
quantity
331
current
This Information Element specifies the value for the beginning of
a hash function's selected range.
See also Sections 6.2, 3.8 and 7.1 of [RFC5475].
hashSelectedRangeMax
unsigned64
quantity
332
current
This Information Element specifies the value for the end of a hash
function's selected range.
See also Sections 6.2, 3.8 and 7.1 of [RFC5475].
hashDigestOutput
boolean
quantity
333
current
This Information Element contains a boolean value that is TRUE if
the output from this hash Selector has been configured to be
included in the packet report as a packet digest, else FALSE.
See also Sections 6.2, 3.8 and 7.1 of [RFC5475].
hashInitialiserValue
unsigned64
quantity
334
current
This Information Element specifies the initialiser value to the
hash function.
See also Sections 6.2, 3.8 and 7.1 of [RFC5475].
selectorName
string
335
current
The name of a selector identified by a selectorID. Globally
unique per Metering Process.
upperCILimit
float64
quantity
336
current
This Information Element specifies the upper limit of a confidence
interval. It is used to provide an accuracy statement for an
estimated value. The confidence limits define the range in which
the real value is assumed to be with a certain probability p.
Confidence limits always need to be associated with a confidence
level that defines this probability p. Please note that a
confidence interval only provides a probability that the real
value lies within the limits. That means the real value can lie
outside the confidence limits.
The upperCILimit, lowerCILimit, and confidenceLevel Information
Elements should all be used in an Options Template scoped to the
observation to which they refer. See Section 3.4.2.1 of the IPFIX
protocol document [RFC5101].
Note that the upperCILimit, lowerCILimit, and confidenceLevel are
all required to specify confidence, and should be disregarded
unless all three are specified together.
lowerCILimit
float64
quantity
337
current
This Information Element specifies the lower limit of a confidence
interval. For further information, see the description of
upperCILimit.
The upperCILimit, lowerCILimit, and confidenceLevel Information
Elements should all be used in an Options Template scoped to the
observation to which they refer. See Section 3.4.2.1 of the IPFIX
protocol document [RFC5101].
Note that the upperCILimit, lowerCILimit, and confidenceLevel are
all required to specify confidence, and should be disregarded
unless all three are specified together.
confidenceLevel
float64
quantity
338
current
This Information Element specifies the confidence level. It is
used to provide an accuracy statement for estimated values. The
confidence level provides the probability p with which the real
value lies within a given range. A confidence level always needs
to be associated with confidence limits that define the range in
which the real value is assumed to be.
The upperCILimit, lowerCILimit, and confidenceLevel Information
Elements should all be used in an Options Template scoped to the
observation to which they refer. See Section 3.4.2.1 of the IPFIX
protocol document [RFC5101].
Note that the upperCILimit, lowerCILimit, and confidenceLevel are
all required to specify confidence, and should be disregarded
unless all three are specified together.
informationElementDataType
unsigned8
339
current
A description of the abstract data type of an IPFIX
information element.These are taken from the abstract data types
defined in section 3.1 of the IPFIX Information Model [RFC5102];
see that section for more information on the types described
in the informationElementDataType sub-registry.
These types are registered in the IANA IPFIX Information Element
Data Type subregistry. This subregistry is intended to assign
numbers for type names, not to provide a mechanism for adding data
types to the IPFIX Protocol, and as such requires a Standards
Action [RFC5226] to modify.
informationElementDescription
string
340
current
A UTF-8 [RFC3629] encoded Unicode string containing a
human-readable description of an Information Element. The content
of the informationElementDescription MAY be annotated with one or
more language tags [RFC4646], encoded in-line [RFC2482] within the
UTF-8 string, in order to specify the language in which the
description is written. Description text in multiple languages
MAY tag each section with its own language tag; in this case, the
description information in each language SHOULD have equivalent
meaning. In the absence of any language tag, the "i-default"
[RFC2277] language SHOULD be assumed. See the Security
Considerations section for notes on string handling for
Information Element type records.
informationElementName
string
341
current
A UTF-8 [RFC3629] encoded Unicode string containing
the name of an Information Element, intended as a simple
identifier. See the Security Considerations section for notes on
string handling for Information Element type records
informationElementRangeBegin
unsigned64
quantity
342
current
Contains the inclusive low end of the range of
acceptable values for an Information Element.
informationElementRangeEnd
unsigned64
quantity
343
current
Contains the inclusive high end of the range of
acceptable values for an Information Element.
informationElementSemantics
unsigned8
344
current
A description of the semantics of an IPFIX Information
Element. These are taken from the data type semantics defined in
section 3.2 of the IPFIX Information Model [RFC5102]; see that
section for more information on the types defined in the informationElementSemantics sub-registry. This
field may take the values in Table ; the special value 0x00
(default) is used to note that no semantics apply to the field; it
cannot be manipulated by a Collecting Process or File Reader that
does not understand it a priori.
These semantics are registered in the IANA IPFIX Information
Element Semantics subregistry. This subregistry is intended to
assign numbers for semantics names, not to provide a mechanism for
adding semantics to the IPFIX Protocol, and as such requires a
Standards Action [RFC5226] to modify.
informationElementUnits
unsigned16
345
current
A description of the units of an IPFIX Information
Element. These correspond to the units implicitly defined in the
Information Element definitions in section 5 of the IPFIX
Information Model [RFC5102]; see that section for more information
on the types described in the informationElementsUnits sub-registry. This field may take the values in
Table 3 below; the special value 0x00 (none) is used to note that
the field is unitless.
These types are registered in the IANA IPFIX Information Element
Units subregistry; new types may be added on a First Come First
Served [RFC5226] basis.
privateEnterpriseNumber
unsigned32
identifier
346
current
A private enterprise number, as assigned by IANA.
Within the context of an Information Element Type record, this
element can be used along with the informationElementId element to
scope properties to a specific Information Element. To export
type information about an IANA-assigned Information Element, set
the privateEnterpriseNumber to 0, or do not export the
privateEnterpriseNumber in the type record. To export type
information about an enterprise-specific Information Element,
export the enterprise number in privateEnterpriseNumber, and
export the Information Element number with the Enterprise bit
cleared in informationElementId. The Enterprise bit in the
associated informationElementId Information Element MUST be
ignored by the Collecting Process.
virtualStationInterfaceId
octetArray
identifier
347
current
Instance Identifier of the interface to a Virtual Station. A Virtual
Station is an end station instance: it can be a virtual machine or a
physical host.
See IEEE 802.1Qbg for the definition of Virtual Station Interface ID.
virtualStationInterfaceName
string
348
current
Name of the interface to a Virtual Station. A Virtual Station is an end station
instance: it can be a virtual machine or a physical host.
See IEEE 802.1Qbg for the definition of Virtual Station Interface.
virtualStationUUID
octetArray
identifier
349
current
Unique Identifier of a Virtual Station. A Virtual Station is an end station
instance: it can be a virtual machine or a physical host.
See IEEE 802.1Qbg for the definition of Virtual Station.
virtualStationName
string
350
current
Name of a Virtual Station. A Virtual Station is an end station
instance: it can be a virtual machine or a physical host.
See IEEE 802.1Qbg for the definition of Virtual Station.
layer2SegmentId
unsigned64
identifier
351
current
Identifier of a layer 2 network segment in an overlay network.
The most significant byte identifies the layer 2 network
overlay network encapsulation type:
0x00 reserved
0x01 VxLAN
0x02 NVGRE
The three lowest significant bytes
hold the value of the layer 2
overlay network segment identifier.
For example:
- a 24 bit segment ID VXLAN Network
Identifier (VNI)
- a 24 bit Tenant Network Identifier
(TNI) for NVGRE
See VxLAN RFC at http://tools.ietf.org/html/draft-mahalingam-dutt-dcops-vxlan-00
See NVGRE RFC at http://tools.ietf.org/html/draft-sridharan-virtualization-nvgre-00
layer2OctetDeltaCount
unsigned64
deltaCounter
352
current
The number of layer 2 octets since the previous report (if any) in
incoming packets for this Flow at the Observation Point. The
number of octets includes layer 2 header(s) and layer 2 payload.
# memo: layer 2 version of octetDeltaCount (field #1)
octets
layer2OctetTotalCount
unsigned64
totalCounter
353
current
The total number of layer 2 octets in incoming packets for this
Flow at the Observation Point since the Metering Process
(re-)initialization for this Observation Point. The number of
octets includes layer 2 header(s) and layer 2 payload.
# memo: layer 2 version of octetTotalCount (field #85)
octets
ingressUnicastPacketTotalCount
unsigned64
totalCounter
354
current
The total number of incoming unicast packets metered at the
Observation Point since the Metering Process (re-)initialization
for this Observation Point.
packets
ingressMulticastPacketTotalCount
unsigned64
totalCounter
355
current
The total number of incoming multicast packets metered at the
Observation Point since the Metering Process (re-)initialization
for this Observation Point.
packets
ingressBroadcastPacketTotalCount
unsigned64
totalCounter
356
current
The total number of incoming broadcast packets metered at the
Observation Point since the Metering Process (re-)initialization
for this Observation Point.
packets
egressUnicastPacketTotalCount
unsigned64
totalCounter
357
current
The total number of incoming unicast packets metered at the
Observation Point since the Metering Process (re-)initialization
for this Observation Point.
packets
egressBroadcastPacketTotalCount
unsigned64
totalCounter
358
current
The total number of incoming broadcast packets metered at the
Observation Point since the Metering Process (re-)initialization
for this Observation Point.
packets
monitoringIntervalStartMilliSeconds
dateTimeMilliseconds
359
current
The absolute timestamp at which the monitoring interval
started.
A Monitoring interval is the period of time during which the Metering
Process is running.
milliseconds
monitoringIntervalEndMilliSeconds
dateTimeMilliseconds
360
current
The absolute timestamp at which the monitoring interval ended.
A Monitoring interval is the period of time during which the Metering
Process is running.
milliseconds
portRangeStart
unsigned16
identifier
361
current
The port number identifying the start of a range of ports. A value
of zero indicates that the range start is not specified, ie the
range is defined in some other way.
Additional information on defined TCP port numbers can be found at
http://www.iana.org/assignments/service-names-port-numbers.
portRangeEnd
unsigned16
identifier
362
current
The port number identifying the end of a range of ports. A value
of zero indicates that the range end is not specified, ie the
range is defined in some other way.
Additional information on defined TCP port numbers can be found at
http://www.iana.org/assignments/service-names-port-numbers.
portRangeStepSize
unsigned16
identifier
363
current
The step size in a port range. The default step size is 1,
which indicates contiguous ports. A value of zero indicates
that the step size is not specified, ie the range is defined
in some other way.
portRangeNumPorts
unsigned16
identifier
364
current
The number of ports in a port range. A value of zero indicates
that the number of ports is not specified, ie the range is defined
in some other way.
staMacAddress
macAddress
identifier
365
current
The IEEE 802 MAC address of a wireless station (STA).
See section 1.4 of RFC5415 for the definition of STA.
staIPv4Address
ipv4Address
identifier
366
current
The IPv4 address of a wireless station (STA).
See section 1.4 of RFC5415 for the definition of STA.
wtpMacAddress
macAddress
identifier
367
current
The IEEE 802 MAC address of a wireless access point (WTP).
See section 1.4 of RFC5415 for the definition of WTP.
ingressInterfaceType
unsigned32
identifier
368
current
The type of interface where packets of this Flow are being received.
The value matches the value of managed object 'ifType' as defined in
http://www.iana.org/assignments/ianaiftype-mib/ianaiftype-mib
http://www.iana.org/assignments/ianaiftype-mib/ianaiftype-mib
egressInterfaceType
unsigned32
identifier
369
current
The type of interface where packets of this Flow are being sent.
The value matches the value of managed object 'ifType' as defined in
http://www.iana.org/assignments/ianaiftype-mib/ianaiftype-mib
http://www.iana.org/assignments/ianaiftype-mib/ianaiftype-mib
rtpSequenceNumber
unsigned16
370
current
The RTP sequence number per RFC3550.
userName
string
371
current
User name associated with the flow.
applicationCategoryName
string
372
current
An attribute that provides a first level categorization for
each Application ID.
applicationSubCategoryName
string
373
current
An attribute that provides a second level categorization
for each Application ID.
applicationGroupName
string
374
current
An attribute that groups multiple Application IDs that
belong to the same networking application.
originalFlowsPresent
unsigned64
deltaCounter
375
current
The non-conservative count of Original Flows
contributing to this Aggregated Flow. Non-conservative counts
need not sum to the original count on re-aggregation.
originalFlowsInitiated
unsigned64
deltaCounter
376
current
The conservative count of Original Flows whose first
packet is represented within this Aggregated Flow. Conservative
counts must sum to the original count on re-aggregation.
originalFlowsCompleted
unsigned64
deltaCounter
377
current
The conservative count of Original Flows whose last
packet is represented within this Aggregated Flow. Conservative
counts must sum to the original count on re-aggregation.
distinctCountOfSourceIPAddress
unsigned64
totalCounter
378
current
The count of distinct source IP address values for
Original Flows contributing to this Aggregated Flow, without
regard to IP version. This Information Element is preferred to
the IP-version-specific counters, unless it is important to
separate the counts by version.
distinctCountOfDestinationIPAddress
unsigned64
totalCounter
379
current
The count of distinct destination IP address values
for Original Flows contributing to this Aggregated Flow, without
regard to IP version. This Information Element is preferred to
the version-specific counters below, unless it is important to
separate the counts by version.
distinctCountOfSourceIPv4Address
unsigned32
totalCounter
380
current
The count of distinct source IPv4 address values for
Original Flows contributing to this Aggregated Flow.
distinctCountOfDestinationIPv4Address
unsigned32
totalCounter
381
current
The count of distinct destination IPv4 address values
for Original Flows contributing to this Aggregated Flow.
distinctCountOfSourceIPv6Address
unsigned64
totalCounter
382
current
The count of distinct source IPv6 address values for
Original Flows contributing to this Aggregated Flow.
distinctCountOfDestinationIPv6Address
unsigned64
totalCounter
383
current
The count of distinct destination IPv6 address values
for Original Flows contributing to this Aggregated Flow.
valueDistributionMethod
unsigned8
384
current
A description of the method used to distribute the
counters from Contributing Flows into the Aggregated Flow records
described by an associated scope, generally a Template. The
method is deemed to apply to all the non-key Information Elements
in the referenced scope for which value distribution is a valid
operation; if the originalFlowsInitiated and/or
originalFlowsCompleted Information Elements appear in the
Template, they are not subject to this distribution method, as
they each infer their own distribution method. This is intended
to be a complete set of possible value distribution methods; it is
encoded as follows:
+-------+-----------------------------------------------------------+
| Value | Description |
+-------+-----------------------------------------------------------+
| 0 | Unspecified: The counters for an Original Flow are |
| | explicitly not distributed according to any other method |
| | defined for this Information Element; use for arbitrary |
| | distribution, or distribution algorithms not described by |
| | any other codepoint. |
| | --------------------------------------------------------- |
| | |
| 1 | Start Interval: The counters for an Original Flow are |
| | added to the counters of the appropriate Aggregated Flow |
| | containing the start time of the Original Flow. This |
| | should be assumed the default if value distribution |
| | information is not available at a Collecting Process for |
| | an Aggregated Flow. |
| | --------------------------------------------------------- |
| | |
| 2 | End Interval: The counters for an Original Flow are added |
| | to the counters of the appropriate Aggregated Flow |
| | containing the end time of the Original Flow. |
| | --------------------------------------------------------- |
| | |
| 3 | Mid Interval: The counters for an Original Flow are added |
| | to the counters of a single appropriate Aggregated Flow |
| | containing some timestamp between start and end time of |
| | the Original Flow. |
| | --------------------------------------------------------- |
| | |
| 4 | Simple Uniform Distribution: Each counter for an Original |
| | Flow is divided by the number of time intervals the |
| | Original Flow covers (i.e., of appropriate Aggregated |
| | Flows sharing the same Flow Key), and this number is |
| | added to each corresponding counter in each Aggregated |
| | Flow. |
| | --------------------------------------------------------- |
| | |
| 5 | Proportional Uniform Distribution: Each counter for an |
| | Original Flow is divided by the number of time units the |
| | Original Flow covers, to derive a mean count rate. This |
| | mean count rate is then multiplied by the number of time |
| | units in the intersection of the duration of the Original |
| | Flow and the time interval of each Aggregated Flow. This |
| | is like simple uniform distribution, but accounts for the |
| | fractional portions of a time interval covered by an |
| | Original Flow in the first and last time interval. |
| | --------------------------------------------------------- |
| | |
| 6 | Simulated Process: Each counter of the Original Flow is |
| | distributed among the intervals of the Aggregated Flows |
| | according to some function the Intermediate Aggregation |
| | Process uses based upon properties of Flows presumed to |
| | be like the Original Flow. This is essentially an |
| | assertion that the Intermediate Aggregation Process has |
| | no direct packet timing information but is nevertheless |
| | not using one of the other simpler distribution methods. |
| | The Intermediate Aggregation Process specifically makes |
| | no assertion as to the correctness of the simulation. |
| | --------------------------------------------------------- |
| | |
| 7 | Direct: The Intermediate Aggregation Process has access |
| | to the original packet timings from the packets making up |
| | the Original Flow, and uses these to distribute or |
| | recalculate the counters. |
+-------+-----------------------------------------------------------+
rfc3550JitterMeanMilliseconds
unsigned32
quantity
385
current
Interarrival jitter as defined in section 6.4.1 of ,
measured in milliseconds.
milliseconds
rfc3550JitterMeanMicroseconds
unsigned32
quantity
386
current
Interarrival jitter as defined in section 6.4.1 of ,
measured in microseconds.
microseconds
rfc3550JitterMeanNanoseconds
unsigned32
quantity
387
current
Interarrival jitter as defined in section 6.4.1 of ,
measured in nanoseconds.
nanoseconds
388-32767
IPFIX MPLS label type (Value 46)
Expert Review
Primary expert - Nevil Brownlee and Secondary expert - Juergen Quittek
1
TE-MIDPT: Any TE tunnel mid-point or tail label
2
Pseudowire: Any PWE3 or Cisco AToM based label
3
VPN: Any label associated with VPN
4
BGP: Any label associated with BGP or BGP routing
5
LDP: Any label associated with dynamically assigned labels using LDP
6-255
Unassigned
Classification Engine IDs (Value 101)
Expert Review
Primary expert - Nevil Brownlee and Secondary expert - Juergen Quittek
0
Invalid.
1
IANA-L3: The Assigned Internet Protocol Number (layer 3 (L3)) is exported in the Selector ID. See http://www.iana.org/assignments/protocol-numbers.
1
2
PANA-L3: Proprietary layer 3 definition. An enterprise can export its own layer 3 protocol numbers. The Selector ID has a global significance for all devices from the same enterprise.
1
3
IANA-L4: The IANA layer 4 (L4) well-known port
number is exported in the Selector ID. See [http://www.iana.org/assignments/service-names-port-numbers]. Note: as an IPFIX flow is unidirectional,
it contains the destination port in a flow from
the client to the server.
2
4
PANA-L4: Proprietary layer 4 definition. An
enterprise can export its own layer 4 port
numbers. The Selector ID has global significance
for devices from the same enterprise. Example:
IPFIX had the port 4739 pre-assigned in the IETF
draft for years. While waiting for the RFC and its
associated IANA registration, the Selector ID 4739
was used with this PANA-L4.
2
5
Reserved
6
USER-Defined: The Selector ID represents
applications defined by the user (using CLI, GUI,
etc.) based on the methods described in section 2.
The Selector ID has a local significance per
device.
3
7
Reserved
8
Reserved
9
Reserved
10
Reserved
11
Reserved
12
PANA-L2: Proprietary layer 2 (L2) definition. An
enterprise can export its own layer 2 identifiers.
The Selector ID represents the enterprise's unique
global layer 2 applications. The Selector ID has a
global significance for all devices from the same
enterprise. Examples include Cisco Subnetwork
Access Protocol (SNAP).
5
13
PANA-L7: Proprietary layer 7 definition. The
Selector ID represents the enterprise's unique
global ID for the layer 7 applications. The
Selector ID has a global significance for all
devices from the same enterprise. This
Classification Engine Id is used when the
application registry is owned by the Exporter
manufacturer (referred to as the "enterprise" in
this document).
3
14
Reserved
15
Reserved
16
Reserved
17
Reserved
18
ETHERTYPE: The Selector ID represents the well-
known Ethertype. See http://standards.ieee.org/develop/regauth/ethertype/eth.txt.
Note that the Ethertype is usually expressed in
hexadecimal. However, the corresponding decimal
value is used in this Selector ID.
2
19
LLC: The Selector ID represents the well-known
IEEE 802.2 Link Layer Control (LLC) Destination
Service Access Point (DSAP).
See http://standards.ieee.org/develop/regauth/llc/public.html.
Note that LLC DSAP is usually expressed in
hexadecimal. However, the corresponding decimal
value is used in this Selector ID.
1
20
PANA-L7-PEN: Proprietary layer 7 definition,
including a Private Enterprise Number (PEN)
[http://www.iana.org/assignments/enterprise-numbers]
to identify that the application registry being
used is not owned by the Exporter manufacturer or to identify the
original enterprise in the case of a mediator or
3rd party device. The Selector ID represents the
enterprise unique global ID for the layer 7
applications. The Selector ID has a global
significance for all devices from the same
enterprise.
3
IPFIX Version Numbers
Standards Action
0
Reserved
1-8
Reserved (historic)
9
Cisco Systems NetFlow Version 9 (historic)
10
IPFIX as documented in RFC5101
11-65535
Unassigned
IPFIX Set IDs
Standards Action
0-1
Not used (historic)
2
Template Set
3
Option Template Set
4-255
Unassigned
256-65535
Reserved for Data Sets
IPFIX Information Element Data Types
Standards Action
0
octetArray
1
unsigned8
2
unsigned16
3
unsigned32
4
unsigned64
5
signed8
6
signed16
7
signed32
8
signed64
9
float32
10
float64
11
boolean
12
macAddress
13
string
14
dateTimeSeconds
15
dateTimeMilliseconds
16
dateTimeMicroseconds
17
dateTimeNanoseconds
18
ipv4Address
19
ipv6Address
20
basicList
21
subTemplateList
22
subTemplateMultiList
23-255
Unassigned
IPFIX Information Element Semantics
Standards Action
0
default
1
quantity
2
totalCounter
3
deltaCounter
4
identifier
5
flags
6
list
7-255
Unassigned
IPFIX Information Element Units
Expert Review
0
none
1
bits
2
octets
3
packets
4
flows
5
seconds
6
milliseconds
7
microseconds
8
nanoseconds
9
4-octet words
for IPv4 header length
10
messages
for reliability reporting
11
hops
for TTL
12
entries
for MPLS label stack
13-65535
Unassigned
IPFIX Structured Data Types Semantics
Standards Action
0x00
noneOf
The "noneOf" structured data type semantic specifies
that none of the elements are actual properties of the Data
Record.
0x01
exactlyOneOf
The "exactlyOneOf" structured data type semantic
specifies that only a single element from the structured data is
an actual property of the Data Record. This is equivalent to a
logical XOR operation.
0x02
oneOrMoreOf
The "oneOrMoreOf" structured data type semantic
specifies that one or more elements from the list in the
structured data are actual properties of the Data Record. This is
equivalent to a logical OR operation.
0x03
allOf
The "allOf" structured data type semantic specifies
that all of the list elements from the structured data are actual
properties of the Data Record.
0x04
ordered
The "ordered" structured data type semantic specifies
that elements from the list in the structured data are ordered.
0x05-0xFE
unassigned
0xFF
undefined
The "undefined" structured data type semantic
specifies that the semantic of the list elements is not specified and
that, if a semantic exists, then it is up to the Collecting
Process to draw its own conclusions. The "undefined" structured
data type semantic is the default structured data type semantic.
ipfix-iana at cisco.com
mailto:ipfix-iana&cisco.com
2012-09-20