At 9:44 AM -1000 11/6/05, Randy Bush wrote:
> A peer should never announce a route it has already announced unlessthat route is withdrawn.one of many counterexamples: change in igp will cause change in med.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
