[c-nsp] Re: URPF on small BGP-enabled customers?

Pete Templin petelists at templin.org
Fri Jun 3 10:16:13 EDT 2005


Jerimiah Cole wrote:

> What about tagging your prefixes as no-export instead of withdrawing 
> them entirely?  You'll still get traffic from Sprint and it's customers, 
> but that's significantly less than you would if they were announcing 
> your prefixes to their peers.  It may be a good compromise.

It's not a good compromise.  There are (stupid, IMHO) networks who are 
single-homed to Sprint but run BGP and do NOT have a default route. 
No-export means no-reachy to those networks.

BTDT.

pt


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