nanog mailing list archives
Re: BGP Path Filtering
From: Leo Bicknell <bicknell () ufp org>
Date: Fri, 16 May 2003 20:07:31 -0400
In a message written on Fri, May 16, 2003 at 08:00:00PM -0400, Sean Donelan wrote:
Large ISPS (more than 500 eBGP neighbors and 5000 prefixes) are going to
MFN / AboveNet qualifies as a "large ISP" by your definition, yet:
sufficient). ANS was the only major commercial provider I knew which explicitly configured BGP announcement filters for every network prefix from every source. According to studies, about 70% of large ISPs
We prefix-list filter all of our customers. We have from time to time made an exception due to route limits, or people limits, but we still exceed 99% of our customers are fully prefix-list filtered on all inbound announcements. It's not that hard. -- Leo Bicknell - bicknell () ufp org - CCIE 3440 PGP keys at http://www.ufp.org/~bicknell/ Read TMBG List - tmbg-list-request () tmbg org, www.tmbg.org
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Current thread:
- Re: Communities BCP [was: RE: BGP Path Filtering], (continued)
- Re: Communities BCP [was: RE: BGP Path Filtering] Richard A Steenbergen (May 16)
- Re: Communities BCP [was: RE: BGP Path Filtering] Guy Tal (May 16)
- Re: Communities BCP [was: RE: BGP Path Filtering] Leo Bicknell (May 16)
- Re: Communities BCP [was: RE: BGP Path Filtering] Danny McPherson (May 16)
- Re: Communities BCP [was: RE: BGP Path Filtering] Danny McPherson (May 16)
- Re: Communities BCP [was: RE: BGP Path Filtering] Stephen J. Wilcox (May 16)
- Re: Communities BCP [was: RE: BGP Path Filtering] Guy Tal (May 16)
- Re: BGP Path Filtering Leo Bicknell (May 16)
- Re: BGP Path Filtering Sean Donelan (May 16)
- Re: BGP Path Filtering Leo Bicknell (May 16)
- Re: BGP Path Filtering Sean Donelan (May 16)
- Re: BGP Path Filtering Joe Abley (May 17)
- Re: BGP Path Filtering Iljitsch van Beijnum (May 17)
- Re: BGP Path Filtering Sean Donelan (May 17)