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Docs changes for ra-names.

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This commit is contained in:
Simon Kelley
2012-03-09 12:05:49 +00:00
parent a7cf58cc47
commit 7023e38294
3 changed files with 24 additions and 1 deletions
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3
CHANGELOG
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@@ -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

9
dnsmasq.conf.example
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@@ -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

13
man/dnsmasq.8
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@@ -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.