A quick question regarding bgp dampening. Lets say router A is the redistribution point between ospf and bgp. Some routes learning from ospf on router A are redistributed into bgp. Can i configure bgp dampening on router A such a way that if specific routes (learnt from ospf) flap, router A supresses these routes and stop advertising to its bgp neighbors??
If not possible, any other option to acheive this?
BGP dampening configured on router A won't allow you to achieve the mentioned behavior, since it work for NLRI received from neighbors. The most reliable way is to configure BGP dampening on neighbors connected to router A, since each time the route injected from OSPF disappears, router A will send a WITHDRAWN update and trigger penalty on remote neigbors with configured dampening.
This document is an early notification of a behaviour change that will be introduced in IOS XR release 6.5.
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