Date: Tue, 12 Aug 2008 12:02:42 +0100 From: Pete French <petefrench@ticketswitch.com> To: mat@FreeBSD.org, stable@freebsd.org Subject: Re: neighbor discovery problem Message-ID: <E1KSreE-000ATd-NT@dilbert.ticketswitch.com> In-Reply-To: <2D4221F0175C7261ECD00191@atuin.in.mat.cc>
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> Since I added IPv6 to my network, and started really using it, I'm seeing > some strange things happening. > > For instance, I'm on machine 2a01:678:1:443::443, and I do : > > $ traceroute6 -n 2a01:678:100:2:: > traceroute6 to 2a01:678:100:2:: (2a01:678:100:2::) from > 2a01:678:1:443::443, 64 hops max, 12 byte packets > 1 2a01:678:1:443:: 0.636 ms 0.602 ms 0.525 ms > 2 2a01:678:1:443:: 2999.665 ms !A 2999.636 ms !A 2999.680 ms !A > > 2a01:678:1:443:: is it's default gateway, and is also directly connected to > 2a01:678:100:2::, but it does not seem to be able to contact it. What are your prefix lengths on the various interfaces, and does 2a01:678:100:2:: have a route back to 2a01:678:1:443::443 ? If you can show us the config on the interfaces of the three machines then we might be able to get a better idea. I am imagining how you have these three boxes connected in my head, but nothing beats an explanation plus the config :-) > Maybe I'm doing something wrong, but, well, I can't seem to find ou what. > > 2a01:678:1:443::443 is a 7.0 > 2a01:678:1:443:: is a 6.2 > 2a01:678:100:2:: is a 6.0 I've used all of those with IPv6 and they work fine, it's most likely a small config problem. I had a lot of frustrations with IPv6 when I started using it - though now it is working I wouldn't be without it. -pete.
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