nanog mailing list archives

Re: source filtering


From: "Jay R. Ashworth" <jra () scfn thpl lib fl us>
Date: Sat, 16 Jan 1999 15:04:51 -0500

On Wed, Jan 13, 1999 at 10:37:55PM -0500, Tony Tauber wrote:
On Jan 13,  3:41pm, Scott McGrath wrote:
Subject: RE: source filtering
GTE and ATT both filter via access lists on the customers CPE routers IF
they provide the routers to the customer

It'd be nice if this information came from one of the entities
named above. Here's a refinement for our part.

GTE does not impose mandatory source address filtering via
access-lists on customers' CPE routers. However, we have recently
implemented Cisco's "ip verify unicast reverse-path".

I think perhaps we have an acronym collision here.  I read Scott's
comment to mean "Customer Premises Equipment", since that was the only
parsing that didn't introduce a conflict.

However, I read Tony's reply as "Customer Provided Equipment", since
that's my usual parsing of that acronym.

In this case, it makes quite a difference.  Clarification?

Better: why not, Tony?

Cheers,
-- jra
-- 
Jay R. Ashworth                                                jra () baylink com
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