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| author | Simon Kelley <simon@thekelleys.org.uk> | 2012-03-09 12:05:49 +0000 |
|---|---|---|
| committer | Simon Kelley <simon@thekelleys.org.uk> | 2012-03-09 12:05:49 +0000 |
| commit | 7023e38294cfcc663aca7fbf730641deed878681 (patch) | |
| tree | a34c03e8f54066a1475fbe1754e55fc5a4e2b5e8 | |
| parent | a7cf58cc47a904889fd858a7bb022503f7507520 (diff) | |
| download | dnsmasq-7023e38294cfcc663aca7fbf730641deed878681.tar.gz | |
Docs changes for ra-names.
| -rw-r--r-- | CHANGELOG | 3 | ||||
| -rw-r--r-- | dnsmasq.conf.example | 9 | ||||
| -rw-r--r-- | man/dnsmasq.8 | 13 |
3 files changed, 24 insertions, 1 deletions
@@ -4,6 +4,9 @@ version 2.61 and allows us to find the prefix length for IPv6 addresses. + Add ra-names DHCPv6 keyword which adds AAAA records + for dual-stack hosts which get IPv6 addresses via SLAAC. + version 2.60 Fix compilation problem in Mac OS X Lion. Thanks to Olaf diff --git a/dnsmasq.conf.example b/dnsmasq.conf.example index 43d8d01..e08442e 100644 --- a/dnsmasq.conf.example +++ b/dnsmasq.conf.example @@ -164,6 +164,15 @@ # Do Router Advertisements, BUT NOT DHCP for this subnet. #dhcp-range=1234::, ra-only +# Do Router Advertisements, BUT NOT DHCP for this subnet, also try and +# add names to the DNS for the IPv6 address of SLAAC-configured dual-stack +# hosts. Use the DHCPv4 lease to derive the name, network segment and +# MAC address and assume that the host will also have an +# IPv6 address calculated using the SLAAC alogrithm. +# This will generate an erroneous AAAA record if a host is using privacy +# extensions or does not support IPv6. Use with care. +#dhcp-range=1234::, ra-names + # Do Router Advertisements, BUT NOT DHCP for this subnet. # Set the lifetime to 46 hours. (Note: minimum lifetime is 2 hours.) #dhcp-range=1234::, ra-only, 48h diff --git a/man/dnsmasq.8 b/man/dnsmasq.8 index f725701..3fd8c00 100644 --- a/man/dnsmasq.8 +++ b/man/dnsmasq.8 @@ -556,7 +556,18 @@ the keyword which tells dnsmasq to offer Router Advertisement only on this subnet, and not DHCP. This applies to IPv6 only, see .B enable-ra -for details. +for details. Instead, the keyword +.B ra-names +may be used. This does the same at ra-only, but also enables a mode +which gives DNS names to dual-stack hosts which do SLAAC for +IPv6. Dnsmasq uses the hosts IPv4 lease to derive the name, network +segment and MAC address and assumes that the host will also have an +IPv6 address calculated using the SLAAC alogrithm, on the same network +segment. An AAAA record is added to the DNS for this IPv6 +address. Note that this is only happens for directly-connected +networks, (not one doing DHCP via a relay) and it will generate an +erroneous AAAA record if a host is using privacy extensions or does +not support IPv6. Use with care. The interface:<interface name> section is not normally used. See the NOTES section for details of this. |