From: Mike Williams (ccie2be@swbell.net)
Date: Mon Mar 24 2003 - 03:38:12 GMT-3
I don't know if this will fix your problem but try this:
Shutdown the port. Clear the CAM table, enter the "switchport
port-security mac-address 0010.7b36.7ccc", then do a 'no shut' on the
port....
If you know for a fact that this mac lives on that port, then shutting
it and clearing the CAM should get rid of it and shutting the port
should also get rid of it from the port-security standpoint (unless you
use sticky, right?)
Mike W.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Scott M. Livingston
Sent: Sunday, March 23, 2003 9:00 PM
To: 'Voss, David'; ccielab@groupstudy.com
Subject: RE: Port-Security Error Message
David,
I don't believe that is the correct assumption, but I could be wrong.
Are you sure that that MAC doesn't currently live on another port right
now? I am assuming that the MAC might either be tied to another port via
dynamic (plugged into) or port security turned up for it on another
port. - Just a guess.
Thanks,
scott
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Voss, David
Sent: Sunday, March 23, 2003 4:58 PM
To: 'ccielab@groupstudy.com '
Subject: Port-Security Error Message
When I do this...
int fast 0/0
switchport port-security
switchport port-security mac-address 0010.7b36.7ccc
I get this..
%Error: Address 0010.7b36.7ccc already exists.
I believe this is because by default, port-security on the 3550 accepts
128 secure mac-addresses and will learn dynamically the mac-address of
the device connected to that port. Therefore, there is no need to
specify port-security mac-address since it is dynamically learned.
Can anyone else confirm why that message comes up?
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