North American Network Operators Group

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Re: BGP terminology question

  • From: Randy Bush
  • Date: Sun Nov 06 14:45:52 2005

> A peer should never announce a route it has already announced unless  
> that route is withdrawn.

one of many counterexamples: change in igp will cause change in
med.  any attribute changes, and announcement is required.

e.g., an internal igp oscillation could cause what the op