From: Lupi, Guy (Guy.Lupi@xxxxxxxxxxxxx)
Date: Sun Apr 21 2002 - 21:56:17 GMT-3
That's the thing, there was only one device plugged into that switch port,
the 2611. So I don't see how the switch could have seen any other mac
address. I also hard coded the mac address in the port security command, so
I don't think it was an age problem. I looked for the mac address that it
was reporting on the other devices plugged into the switch, I didn't see it.
I also had port security enabled for 3 other devices and had no problem with
them. Maybe it was a one time thing, it had never happened to me before.
~-----Original Message-----
~From: Chuck Church [mailto:cchurch@MAGNACOM.com]
~Sent: Sunday, April 21, 2002 8:57 PM
~To: Lupi, Guy; 'ccielab@groupstudy.com'
~Subject: RE: Catalyst port security problem
~
~
~You're not doing HSRP, are you? Can you identify the device
~that owns the
~offending MAC address?
~
~Chuck Church
~CCIE #8776, MCNE, MCSE
~Sr. Network Engineer
~Magnacom Technologies
~140 N. Rt. 303
~Valley Cottage, NY 10989
~845-267-4000
~
~
~
~-----Original Message-----
~From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
~Lupi, Guy
~Sent: Sunday, April 21, 2002 8:17 PM
~To: 'ccielab@groupstudy.com'
~Subject: Catalyst port security problem
~
~
~I had a 2611 hooked up to my 5500 the other day with port
~security turned
~on. It worked fine for about 6 hours, then all of the sudden
~the switch
~shut the port down due to a security error. I looked, and the
~switch was
~reporting that a totally different mac address was plugged
~into that port.
~I looked at the 2611 and it was fine, same mac address that
~was in the port
~security filter. Has anyone seen this before? If turning on
~port security,
~is it a good idea to lock the mac address down to something
~other than the
~bia? Thanks.
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