08-07-2011 04:17 AM - edited 03-10-2019 12:15 PM
08-07-2011 06:06 AM
hello,
what is the platform/IOS version that you are running on?
Thanks,
Ricky
08-07-2011 08:14 AM
Hello,
On a 4500 platform , such broadcast address are automatically programmed on every vlan that is allowed on a port as system mac address. This will not affect the port security configuration.
This is done so that a broadcast on VLAN is forwarded on that port.
This is seen only on 4500 platform.
Regards,
Rahul
10-14-2011 02:30 PM
I have seen this on 4948's also that interestingly enough run a 4500 image image.
10-14-2011 09:28 PM
Marc,
4948 is based on the same architecture as a 4500 with sup5 , hence the same behavior
-Rahul
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