BGP

chenhui · Created Sep 29, 2018 03:28:36

hello,
route is not valid means there is a better route to the destination,this makes the BGP route can't download to the FIB.
I advertise you checking if there is another BGP route can reach the destination which the unchoosen BGP route towards.
MED value learns with 2, you'd better check the BGP peer,it may be configured with some route-policy.

Protocol · Created Sep 29, 2018 05:44:10

Posted by user_3154845 at 2018-09-29 03:28 hello,route is not valid means there is a better route to the destination,this makes the BGP route c ...

If next hop is reachable then route is vlaid...here in my scenario osfp is running for rachability and
advertise route in BGP then why not vlaid ..next hop is reachble.

Protocol · Created Sep 29, 2018 05:59:07

This my topology ...advertise route on R1 ....R2 and R3 learn route 13.13.13.0 but not valid and best

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chenhui · Created Sep 30, 2018 00:55:56

Posted by Protocol at 2018-09-29 05:59This my topology ...advertise route on R1 ....R2 and R3 learn route 13.13.13.0 but not valid and bes ...

have you enable other IGP routing protocol bettwen R1,R2 and R3? if the answer is no,then R2 can't download route 13.13.13.0 to FIB cause the next-hop is unreachable.
suppose you upload the configure, It can help us to learn more:)

Protocol · Created Sep 30, 2018 07:13:00

Posted by user_3154845 at 2018-09-30 00:55 Posted by Protocol at 2018-09-30 00:55This my topology ...advertise route on R1 ....R2 and R3 learn r ...

yes OSPF is running between these routers and route is reachable then why not valid ...

Mysterious.color · Created Sep 30, 2018 07:53:26

BGP is the one protocol hard for me . BGP-2766393-1

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