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SubjectRe: [ipv6] Odd behaviour...
On Tue, 27 May 2008 00:58:30 +0200 Ian Kumlien <pomac@vapor.com> wrote:

> Hi,
>
> I just recently acquired a new ipv6 tunnel since my two previous brokers
> has gone out of business. I now use hurricane electrics tunnel since i
> have really good ping times to it's node in Amsterdam.
>
> Anyways, i have setup a local network tunnel and enabled forwarding.
>
> After about 300 seconds, it all stops working. I have to disable and
> re-enable it on the firewall/router to get it working again.
>
> tcpdump shows the router/firewall doing odd things like:
> (i renamed my host to piv6)
>
> 00:48:14.294173 IP6 piv6 > igloo.stacken.kth.se: ICMP6, echo request,
> seq 321, length 64
>
> 00:48:14.341288 IP6 igloo.stacken.kth.se > piv6: ICMP6, echo reply, seq
> 321, length 64
>
> 00:48:14.341317 IP6 fe80::55e4:1b90 > igloo.stacken.kth.se: ICMP6,
> redirect, piv6 to piv6, length 160
>
> 00:48:14.341332 IP6 igloo.stacken.kth.se > piv6: ICMP6, echo reply, seq
> 321, length 64
> ---
>
> fe80::55e4::1b90 is the local ip of the ipv6 tunnel.
> (note: the packet never arrives at it's destination)
>
> Any ideas of what could be going wrong?

(cc netdev - afaik linux-net is kind of dead)

What kernel version are you running?


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