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(usagi-users 03482) Re: traceroute6 fails on 1 (2) machine

To: usagi-users@xxxxxxxxxxxxxx
Subject: (usagi-users 03482) Re: traceroute6 fails on 1 (2) machine
From: Ivan Skytte JÃrgensen <isj-usagi@xxxxx>
Date: Fri, 2 Sep 2005 07:32:03 +0200
In-reply-to: <1125600153.16485.94.camel@firenze.zurich.ibm.com>
References: <200509011834.35531.isj-usagi@i1.dk> <1125600153.16485.94.camel@firenze.zurich.ibm.com>
Reply-to: usagi-users@xxxxxxxxxxxxxx
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On Thursday 01 September 2005 20:42, Jeroen Massar wrote:
> <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.

That is the point of traceroute6. traceroute6 sends UDP packets to the 
destination with increasing TTL and gets time-exceeded from further and 
forther down the path.

Nevertheless, /proc/sys/net/ipv6/conf/*/hop_limit is 64

References:
- (usagi-users 03479) traceroute6 fails on 1 (2) machine
  - From: Ivan Skytte Jørgensen
- (usagi-users 03480) Re: traceroute6 fails on 1 (2) machine
  - From: Jeroen Massar

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