Thursday, March 1, 2018

Using BGP to get the "health" of the network?

Hello guys!

I've been discussing a bit with a colleague of mine what we could get out of using a BGP updates as a health indicator in our network. Roughly 300-500 routers.

The idea is to have all nodes peer with a central BGP speaker. This BGP speaker will not redistribute/advertise any BGP prefixes, but should receive all prefixes from the neighbors. Whenever there is a topology/prefix change, this speaker should process/log/syslog the change.

What's your thought of this? Horrible idea? Have any of you implemented anything like it?



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