[90030] in North American Network Operators' Group
Re: Determine difference between 2 BGP feeds
daemon@ATHENA.MIT.EDU (Scott "Tuc" Ellentuch at T-B-O-H)
Tue Apr 18 22:39:51 2006
From: Scott "Tuc" Ellentuch at T-B-O-H <ml@t-b-o-h.net>
To: alex@nac.net (Alex Rubenstein)
Date: Tue, 18 Apr 2006 22:39:21 -0400 (EDT)
Cc: mwalter@3z.net (Mike Walter),
ml@t-b-o-h.net (Scott \\Tuc\\ Ellentuch at T-B-O-H), nanog@merit.edu
In-Reply-To: <Pine.WNT.4.62.0604182036230.5436@vanadium.hq.nac.net>
Errors-To: owner-nanog@merit.edu
> 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
