<Keepalives are temporarily in throttle due to closed TCP window>
swmike at swm.pp.se
Mon Sep 14 17:39:12 UTC 2009
On Mon, 14 Sep 2009, Michael Ruiz wrote:
> I am having difficulty maintaining my BGP session from my 6509 with
> Sup-7203bxls to a 7206 VXR NPE-400. The session bounces every 3
> minutes. I do have other IBGP sessions that are established with no
> problems, however, this is the only IBGP peer that is bouncing
> What does exactly the message mean and how do I stabilize this? Any
> help will be appreciated.
This is most likely an MTU problem. Your SYN/SYN+ACK goes thru, but then
the first fullsize MSS packet is sent, and it's not getting to the
destination. 3 minutes is the dead timer for keepalives, which are not
getting thru either because of the stalled TCP session.
Mikael Abrahamsson email: swmike at swm.pp.se
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