[Dnsmasq-discuss] IPv6 ra-advrouter mode doesn't create the appropriate AAAA records

Nilesh Govindrajan me at nileshgr.com
Tue Oct 14 19:33:20 BST 2014


On Tue, Oct 14, 2014 at 11:19 PM, Simon Kelley <simon at thekelleys.org.uk> wrote:
> On 14/10/14 04:09, Nilesh Govindrajan wrote:
>> Hi list,
>>
>> I'm playing with IPv6 after getting a tunnel from HE. I have
>> configured dnsmasq as:
>>
>> domain-needed
>> resolv-file=/etc/resolv.dnsmasq
>> strict-order
>> interface=eth0
>> interface=lo
>> no-dhcp-interface=lo
>> bind-interfaces
>> expand-hosts
>> domain=lan
>> dhcp-range=192.168.0.11,192.168.0.254,255.255.255.0,24h
>> dhcp-range=<my ipv6 subnet>::, ra-advrouter
>> enable-ra
>> dhcp-option=option:router,192.168.0.1
>> dhcp-option=option:dns-server,192.168.0.10
>> dhcp-option=option6:dns-server
>> dhcp-option=option:domain-search,lan
>> dhcp-option=option:mtu,1472
>> dhcp-option=option6:domain-search,lan
>> dhcp-authoritative
>> cache-size=50000
>>
>>
>> All machines on my network get IPv6 addresses, but when I try to find
>> them via DNS request, it fails (doesn't return an AAAA record). But
>> the corresponding A records exist and they work properly.
>> This works if I set ra-names mode, but I don't want to use SLAAC.
>
> You _are_ using SLAAC, that's what ra-advrouter does.
>
> To use DHCPV6, use something like
>
> dhcp-range=<my ipv6 subnet>::2, <my ipv6 subnet>::200
>
>
> That way your clients should get DHCPv6 leases, and from them, AAAA records.
>
> Cheers,
>
> Simon.
>
>>
>> I'm using DNSMasq v2.72 installed from debian unstable repository.
>>
>> I'm quite new to IPv6, so don't assume things :)
>>
>> _______________________________________________
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>> Dnsmasq-discuss at lists.thekelleys.org.uk
>> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
>>
>
>
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I think with the current setup both SLAAC and DHCPv6 are being used
because I see two IPs on each machine.



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