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North American Network Operators Group

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Re: BGP Question - how do work around pigheaded ISPs

  • From: Marc Slemko
  • Date: Tue Feb 13 12:57:51 2001

On Tue, 13 Feb 2001, Stephen Griffin wrote:

> Stolen is a lot harder to find.

And then you have junk like:

BGP routing table entry for 64.0.0.0/8, version 6739580
Paths: (27 available, best #27)
  Not advertised to any peer
  8297 6453 1239 5696 15331
    195.219.96.239 from 195.219.96.239 (195.219.96.239)
      Origin incomplete, localpref 100, valid, external

which has been around for a long time.  And which is obviously not 
being filtered by a lot of backbones.  

This could be a tricky way for someone to just use whatever otherwise
unannounced space in 64/8, or it could just be a lame router configuration
somewhere that the parties involved don't care to fix.

But either way, it isn't very pretty going through the list of all
the backbones that are not filtering this sort of stuff out and
seeing just how long it is... it is truly amazing that there aren't more
widespread and frequent screwups caused by bogus announcements.






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