[Dnsmasq-discuss] No RA and no response to RTR-SOLICIT
Enrico Tröger
enrico.troeger at uvena.de
Tue Jul 30 22:26:11 BST 2013
Hi,
>> I want to use Dnsmasq to act as DHCPv6 server and to send router
>> advertisments.
>> My ISP provides me with a /64 IPv6 net over PPPoE.
>>
>> Normal DHCP works well but I can't get DHCPv6 working.
>>
>> I don't see any RTR-ADVERT messages in the logs nor do I see any
>> response from Dnsmasq to RTR-SOLICIT requests (I do see the RTR-SOLICIT
>> request itself in the logs).
>>
>> (Probably) Relevant config parts:
>> interface=eth0
>> except-interface=ppp0
>> dhcp-range=2001:1234:1234:1234:10:0:1::,constructor:eth0,ra-names,slaac,64,48h
>>
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> This the problem. You need to decide if you're going to declare a fixed
> prefix, or have dnsmasq advertise whatever prefixes are configured into
> eth0.
>
> The simplest to do, if eth0 is always going to be
> 2001:1234:1234:1234::4002/64, is
>
> dhcp-range=2001:1234:1234:1234::,ra-names,slaac,64,48h
Thank you!
Since the prefix is static, that did the trick. I tried this before but
always had the constructor parameter included, without it works fine and
now I see RTR-ADVERT messages in the logs.
And SLAAC now works, great!
Thanks again.
Regards,
Enrico
--
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