North American Network Operators Group
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Re: Determine difference between 2 BGP feeds

  • From: Scott "Tuc" Ellentuch at T-B-O-H
  • Date: Tue Apr 18 22:40:29 2006 
> More than likely, one provider is feeding too many routes -- some that I 
> have run across tend to feed more specific internal routes (read: 
> redistributing IGP into BGP) to customer BGP sessions.
> 
> The two I've run across, after I yelled, they fixed.
> 
	I quickly took a look for anything less than a /24 (Not that you
can't route /24s in IGP) and that accounts for 25% of the overage :

/25 - 274
/26 - 178
/27 - 165
/28 - 123
/29 - 114
/30 - 116
/32 - 47

	Continuing to see what I get...

			Tuc/TBOH