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North American Network Operators Group

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Re: Blackholing traffic by ASN

  • From: Chris Adams
  • Date: Thu Jan 31 09:12:14 2008

Once upon a time, Christopher Morrow <morrowc.lists@xxxxxxxxx> said:
> > Nowadays, most equipment can blackhole internally (to null0 say) at full
> > speed, so it isn't an issue. Just set your next hop to a good null0
> > style location on route import and you are done for traffic destined to
> > those locations.
> 
> ...do uRPF-loose-mode and you kill FROM these locations as well...

On Cisco, but not Juniper.

-- 
Chris Adams <cmadams@xxxxxxxxxx>
Systems and Network Administrator - HiWAAY Internet Services
I don't speak for anybody but myself - that's enough trouble.




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