IPv6: numbering of point-to-point-links

Blake Hudson blake at ispn.net
Mon Jan 31 15:31:37 CST 2011


-------- Original Message  --------
Subject: Re: IPv6: numbering of point-to-point-links
From: Randy Bush <randy at psg.com>
To: Blake Hudson <blake at ispn.net>
Cc: nanog at nanog.org
Date: Monday, January 31, 2011 3:26:26 PM
>> I setup a p2p /127 link and found that BGP would not peer over the
>> link;
> on whose equipment and image?
>
> randy
This was with a cisco 7200 - IOS 12.4 over a HE tunnel. Debugging BGP
showed no activity until the interface mask was changed, as if BGP was
not active and was not attempting to peer. The remote peer's state would
only display as IDLE. After changing the interface mask to /126 peering
came up instantly and I did notice some BGP logging that related to the
0 address on the network.




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