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BGP Concern

ray_stone
Level 1
Level 1

Hello Experts,

Below are the commands I have to run on our PROD L3 Switches and need to know if it could make an impact on services.

router bgp 65099

no neighbor 192.168.12.1 route-map prepend-AS in  (Is there any possibility that after executing this command the neighour to be removed)

route-map PCL-KIR-Out permit 10

match as-path 110

set as-path prepend 65099 65099

clear ip bgp 192.168.12.1 soft

Thanks.

10 Replies 10

Reza Sharifi
Hall of Fame
Hall of Fame

Hi,

Not sure exactly what is your question, but if apply this command:

no neighbor 192.168.12.1 route-map prepend-AS in

This will remove your BGP neighbor and you will loose connectivity to it.

Also, once this command is applied, all the other commands are not effective until you peer with this neighbor again.

HTH

ray_stone
Level 1
Level 1

Sure?

Sent from Cisco Technical Support Android App

ray_stone
Level 1
Level 1

Can someone else respond on this?

Sent from Cisco Technical Support Android App

Hi Ray,

Could you please post the entire BGP Config?

Regards, Rahul.

Sent from Cisco Technical Support iPad App

In the config, these commands are being shown:

neighbor 192.168.12.1 remote-as 111

neighbor 192.168.12.1 timers 5 15

neighbor 192.168.12.1 route-map prepend-AS in

neighbor 192.168.12.1 route-map PCL-KIR-Out out

I want to remove only third line (no neighbor 192.168.12.1 route-map prepend-AS in)

Still it will remove the neighour..

Please confirm.

Hi Ray,

If this is the Config that you have, then removing only the 3rd line will not remove the neighbor.

The association with the neighbor will stay as it is.

Regards, Rahul.

Sent from Cisco Technical Support iPad App

Sure?

Yes we are sure. That command will take out the inbound route map for the neighbor. But it will not remove the neighbor.

HTH

Rick

Sent from Cisco Technical Support iPad App

HTH

Rick

Hi Ray,

Yes, as Rick says, we are sure. The first line in the Config where we mention the ip address and the remote-as number is the command which creates the neighbor association.

Rick, please correct me if I am wrong.

Regards, Rahul.

Sent from Cisco Technical Support iPad App

Hi Ray,

So have you tried it? Has your question been answered?

Regards, Rahul.

Sent from Cisco Technical Support iPad App

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