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BGP Flapping due to closed TCP connection

bgp connection is flapping and on checking the neighbor statstics we get following message - keepalive are termporarily in throtlle due to closed tcp window

3 REPLIES

Re: BGP Flapping due to closed TCP connection

This mostly seems to an MTU issue.

What is the MTU configured on both ends?

Narayan

New Member

Re: BGP Flapping due to closed TCP connection

Thanks mate...yes it was MTU on one of the interfaces which was dissimilar...cheers.

New Member

Re: BGP Flapping due to closed TCP connection

just a doubt if can help with...i beleive MTU is negotiated while establishing a tcp connection and which ever is smaller from both the end interfaces is selected. so why did bgp have a problem ?

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