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North American Network Operators Group

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Re: Max Prefixes Configured on Customer BGP

  • From: Jared Mauch
  • Date: Thu Aug 15 23:15:11 2002

warning: operational content

	in 12.0(22)S there was a new max-prefix feature added that
people running this software (or similar) can enable to shut down
your customers who leak routes.

	Most customers don't advertize 8k prefixes, so a simple
setup like this:

(config-router)#nei 1.2.3.4 maximum-prefix 8000 restart ?
  <1-65535>  Restart interval in minutes

	and configure some reasonable number of minutes (lets say 15)
and the session will come back up for them and flap again until they
fix it.

	- Jared

(follow-ups should probally go to cisco-nsp@puck.nether.net or a similar
cisco specific related list)

-- 
Jared Mauch  | pgp key available via finger from jared@puck.nether.net
clue++;      | http://puck.nether.net/~jared/  My statements are only mine.




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