I only spoke from my own experience with both carriers no offense intended

-----Original Message----- From: Tony Tauber [SMTP:ttauber@bbnplanet.com] Sent: Wednesday, January 13, 1999 10:38 PM To: Scott McGrath; Jared Mauch; nanog@merit.edu Subject: Re: source filtering

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".

Tony Tauber GTE Network Engineering