diff options
Diffstat (limited to 'relay/dhcrelay.8')
-rw-r--r-- | relay/dhcrelay.8 | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/relay/dhcrelay.8 b/relay/dhcrelay.8 index 67065663..1091edb7 100644 --- a/relay/dhcrelay.8 +++ b/relay/dhcrelay.8 @@ -77,6 +77,14 @@ dhcrelay - Dynamic Host Configuration Protocol Relay Agent .B -i .I interfaceN ] +[ +.B -iu +.I interface0 +[ +.B ... +.B -iu +.I interfaceN +] .B -l .I interface ] @@ -204,12 +212,19 @@ a query that came via a different relay agent. If this option is not specified, such packets will be relayed anyway. .TP -i \fIifname\fR -Listen for DHCPv4/BOOTP queries on interface \fIifname\fR. Multiple +Listen for DHCPv4/BOOTP traffic on interface \fIifname\fR. Multiple interfaces may be specified by using more than one \fB-i\fR option. If no interfaces are specified on the command line, dhcrelay will identify all network interfaces, eliminating non-broadcast interfaces if possible, and attempt to listen on all of them. .TP +-iu \fIifname\fR +Specifies an upstream network interface for DHCPv4 relay mode: an +interface from which replies from servers and other relay agents will be +accepted. Multiple interfaces may be specified by using more +than one \fB-u\fR option. This argument is intended to be used +in conjunction with one or more -i arguments. +.TP -m \fIappend\fR|\fIreplace\fR|\fIforward\fR|\fIdiscard\fR Control the handling of incoming DHCPv4 packets which already contain relay agent options. If such a packet does not have \fIgiaddr\fR set in |