[4287] in North American Network Operators' Group
Re: customers and web servers and level one naps
daemon@ATHENA.MIT.EDU (Steve Schnell, Sprint Corporation)
Wed Sep 11 10:54:17 1996
In-Reply-To: <Pine.BSI.3.93.960910111859.6472M-100000@sidhe.memra.com>
Date: Wed, 11 Sep 1996 09:49:58 -0500
To: Michael Dillon <michael@memra.com>
From: "Steve Schnell, Sprint Corporation" <schnell@gsd.sprint.com>
Cc: nanog@merit.edu
At 11:30 -0700 9.10.96, Michael Dillon wrote:
>
>It's not a matter of experience. It's a matter of what a level-2 device is
>and how it normally works. There is no security at level 2.
>
Yes there is rudimentary security at L2. It's called MAC-based filtering,
which is a feature of DEC's GIGAswitch. I believe that SprintLink uses the
capability in a form to logically separate backbone router traffic from
access router traffic when both routers are homed to the same GIGAswitch.
With filtering, you can establish virtual workgroups where only certain
devices can communicate with other devices in the same group, or with
specific devices in other groups.
ss
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