North American Network Operators Group
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Re: BGP terminology question

  • From: Howard C. Berkowitz
  • Date: Mon Nov 07 08:34:46 2005 
At 9:44 AM -1000 11/6/05, Randy Bush wrote:
> 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 that route is withdrawn.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
describes.

For the OP, http://www.ietf.org/rfc/rfc3345.txt