Cisco and ARP troubles

[Warren Togami]

----- Original Message -----
From: "jay" <jay at musubi.org>
To: "Linux & Unix Advocates & Users" <luau at list.luau.hi.net>
Sent: Thursday, April 12, 2001 1:25 AM
Subject: [luau] Re: Cisco and ARP troubles


> On Thu, 12 Apr 2001, Warren Togami wrote:
>
> > This worries me.  MAC to MAC should always work, but I forced a MAC
match
> > and it still didn't work.  But then again, I've never dealt with Cisco
> > hardware before.
>
> is the switch behind the pix a cisco?  you might have port security
> turned on and if whoever configured it was trapping for mac address
> changes, you may have triggered a shutdown of that port when you
> initially switched firewalls.  er, i think the command is something
> like "sh port <port>".

Yes, Cisco switch.  This port security thing can tell the difference between
two different Ethernet interfaces that are given the same MAC address?