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Webcast-Catalyst9k
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BGP sessions up and down

Hi,

I have got IBGP running between my 4 routers, one of my routers keeps logging that its BGP session with another router keeps going up and down. What wld be the cause of this, what should i check for?

thanks

*Jan 30 18:17:01.257 gmt: %BGP-5-ADJCHANGE: neighbor 212.88.xx.xx Down Peer closed the session

*Jan 30 18:17:29.621 gmt: %BGP-5-ADJCHANGE: neighbor 212.88.xx.xx Up

*Jan 30 18:19:25.865 gmt: %BGP-5-ADJCHANGE: neighbor 212.88.xx..xx Down Peer closed the session

*Jan 30 18:19:51.021 gmt: %BGP-5-ADJCHANGE: neighbor 212.88.xx.xxUp

*Jan 30 18:20:55.369 gmt: %BGP-5-ADJCHANGE: neighbor 212.88.xx.xx Down Peer closed the session

*Jan 30 18:21:23.909 gmt: %BGP-5-ADJCHANGE: neighbor 212.88.xx.xx Up

*Jan 30 18:22:25.801 gmt: %BGP-5-ADJCHANGE: neighbor 212.88.xx.xx Down Peer closed the session

1 REPLY
New Member

Re: BGP sessions up and down

Greetings!

Have you configured loopback addresses on the routers and in the BGP neighbor commands?

Anuj

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