North American Network Operators Group

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Determine difference between 2 BGP feeds

  • From: Scott "Tuc" Ellentuch at T-B-O-H
  • Date: Tue Apr 18 16:14:14 2006


	We receive a BGP feed from different providers on two 
different routers. While one seems to be a reasonable amount
of feeds after reviewing the CIDR report, the other is anywhere
from 3K to 10K more routes. 

	Is there a utility that I can use that will pull the
routes off each router (Foundry preferred), and then compare 
them as best it can to see why there is such a difference? 
I can understand a handful of routes over what CIDR says, 
but a minimum of 3K more?

		Thanks, Tuc/TBOH