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tmikelson
Level 1
Level 1

How to shutdown an interface or drop a BGP session on that same interface if a second interface goes down or loses IP routing?

Looking at the attached jpeg the problem is if interface Te1/1 goes down or loses ip routing then shutdown interface Te1/2 or drop the BGP session between Te1/2 ip address 10.0.0.1 and the BGP neighbor 10.0.0.2.

I suspect this is something that might be done by:

a) object-tracking line protocol on the second interface

b) object-tracking ip routing on the second interface

 

Order of preference would be:

1) dropping BGP session

2) shutting down interface

 

Comments
Akash Agrawal
Cisco Employee
Cisco Employee

Hi,

 

Instead of shutting down the BGP session, you can do conditional advertisement on that BGP session using advertise-map and exist-map

 

http://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/16137-cond-adv.html

 

Regards,

Akash

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