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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: BGP Path Filtering
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 - [email protected] - CCIE 3440
PGP keys at http://www.ufp.org/~bicknell/
Read TMBG List - [email protected], www.tmbg.org
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