On 23/07/2009 21:17, Laurent CARON wrote:
> Hi,
>
> I'm currently facing a rather strange problem.
>
> I did order a dedicated server at a hosting company.
>
> This server is provided with ipv4 and ipv6 connectivity.
>
> The default ipv6 gateway is given through radvd (from what i've seen in
> tcpdump logs):
>
> 21:17:25.260848 IP6 fe80::215:2cff:fe6e:b000 > ip6-allnodes: ICMP6,
> router advertisement, length 64
>
> default via fe80::215:2cff:fe6e:b000 dev eth0 proto kernel metric 1024
> expires 1797sec mtu 1500 advmss 1440 hoplimit 64
>
> If I start shorewall, this default route immediately disappears thus
> preventing any ipv6 communication.
>
> I think my setup might block ipv6 router advertisment messages.
>
> $ shorewall6 dump (attached file)
>

Hi,

I finally found out that IPv6 routing was enabled and thus auto config 
was disabled.

Sorry for the noise.

Laurent

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