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I have IPv6 configured on my local network via radvd; it advertises a routable IPv6 block, that all the machines auto-configure.s

I have IPv4 assigned to a NAT'd block via dhcpd and that updates named.

My problem is that when I set the AAAA record for a host for it's IPv6 address (which doesn't change), named will then start rejecting name updates from dhcpd for the A record.

named reports the following error:

'name not in use' prerequisite not satisfied (YXDOMAIN)

dhcpd will report the following error:

Has an A record but no DHCID, not mine

How can I either convince dhcpd to ignore the AAAA record when doing the named update.

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2 Answers 2

up vote 0 down vote accepted

I found an answer here http://www.gelato.unsw.edu.au/IA64wiki/IPv6DDNS

Essentially dhcpd has a way to add hooks for events, so on a IPv4 registration call a script that will generate the standard MAC based IPv6 address and register that.

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add the folllowing line to /etc/dhcp/dhcpd.conf:

update-conflict-detection false;
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Such short answers are often not terribly helpful. Consider expanding your post with an explanation of your suggestion or documentation that supports your solution. –  HalosGhost Aug 23 '14 at 19:49

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