RE: switc-to-switch port security

From: Brian McGahan (brian@cyscoexpert.com)
Date: Wed Feb 19 2003 - 21:28:24 GMT-3


Ali,

        Port security would not be appropriate in this case, since
packets would not have the source mac address of the switch. Instead,
packets transiting the link would have a source mac of the router or
host on the segment.

HTH

Brian McGahan, CCIE #8593
Director of Design and Implementation
brian@cyscoexpert.com

CyscoExpert Corporation
Internetwork Consulting & Training
Toll Free: 866.CyscoXP
Fax: 847.674.2625

> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Ali Fahmi
> Sent: Wednesday, February 19, 2003 5:37 PM
> To: ccielab@groupstudy.com
> Subject: switc-to-switch port security
>
> Hi All,
> if I have switch A (cat3550) connected to Switch
> B(cat2950) on port fa0/1 and configured as trunk,
> is there any methods to lock that ports on switch A,/B so
> only switch B/A can connect.
> if I refer to c3550 config docs, port security can not
> work on trunk,
> thx
>
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