From: Hyunseog Ryu (r.hyunseog@ieee.org)
Date: Tue Feb 15 2005 - 12:30:43 GMT-3
Since you are talking about the connection to the router,
proxy-arp may cause multiple MAC detection from the switch.
So make sure you are disabling proxy-arp.
Hyun
gladston@br.ibm.com wrote:
> Have you ever had a problem with port-secure blocking a port where just one router was connected?
>
> I had this problem last year, but trying to reproduce it without success.
> The configuration was:
>
> Rx---cat
>
> on cat:
> int fast 0/3
> switchport mode access
> switchport access vlan 12
> switchport port-secure
> switchport port-security mac-address 0001.42bb.9512
>
> I am wondering what protocol could be sourcing frames with a diferent Mac on vlan 12 that would cause CAT to block the port.
>
> Any feedback appreciated.
>
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