(usagi-users 03480) Re: traceroute6 fails on 1 (2) machine

On Thu, 2005-09-01 at 18:34 +0200, Ivan Skytte Jørgensen wrote:
> I have set up IPv6 on my home network and it almost works. For some reason one 
> of the machines cannot do traceroute6.
> 
> Network topology:
>     C: workstation (Suse 9.3, kernel 2.6.11.4-21.8-smp)
<SNIP>
> "ping6 www.kame.net" works on all machines.
> "telnet 2001:200:0:8002:203:47ff:fea5:3085 80" works too on all machines.
> "traceroute6 -n -N 1 -q 1 www.kame.net" works on all machines EXCEPT C

> I have checked the routing tables, radvd configuration, firewall settings, 
> etc. I cannot find the error.
<SNIP>
> And then traceroute6 hangs indefinitely.
> 
> I don't get it. I have looked at the routing tables, radvd configuration, 
> interface configuration, firewall settings (yes, checked the drop counters 
> too). I cannot find anything wrong.
<SNIP>

> No.     Time        Source                Destination      
>     Protocol Info
>       4 0.001516    2001:618:400:5fd6:200:24ff:fec4:cbf8 
> 2001:618:400:5fd6:20c:76ff:fe6d:bc83 ICMPv6   Time exceeded
> (In-transit)

Check the TTL of your interface, thus check 'ip link sho'. You get the
TTL exceeded already from your own gateway.

Greets,
 Jeroen

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