Re: PM (Cisco) Packet Filtering - MAC?

Jake Messinger (jake@ams.com)
Sun, 20 Jul 1997 08:06:53 -0500 (CDT)

On Sat, 19 Jul 1997, Doug Westervelt wrote:

> Rats. I was under the impression that there were access lists/IP filters
> on the PMs. I guess that any filtering I do will have to happen on my
> router.? I know that this isn't the Cisco mailing list but since there

There are, but they rely on IP, not mac addresses.

> are so many 2501 users here, does anyone know if it's doable? Or, if
> it's an inappropriate topic in this forum, please move off channel or
> suggest a better place to find out. Thanks.
>
> > Hrm, this indicates that you want to protect your LOCAL upstream network.
> > Maybe I didnt understand your original question but Ill leave all that
> > text there cuz it took me a while to type.
>
> Ah, yes. A picture's worth a thousand words.
>
> > Why not just install a firewall between the UPSTREAM network and the frame
> > relay router?
>
> Ah. The best idea so far. But, the problem is that the Upstream network
> is in a different state and managed by another group. Since access
> changes would happen in this state and since I'd be responsible for
> managing this state's traffic, I'd like to keep the filtering local.

Hrm, my head hurts. Let me look at the diagram again...

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Jake Messinger 713-772-6690 jake@ams.com
Advanced Medical Systems, Inc. jake@uh.edu
8300 Bissonnet #400
Houston, Texas 77074 http://www.ams.com/~jake
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