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Invalid traffic from multicast???

burleyman
Level 8
Level 8

I am getting the following warn message....Where can I find info to troubleshoot?

it reads exactly like this....

%sys-4-p2_warn:1/Invalid traffic from multicast source address ff:ff:ff:ff:00:00 on port 1/1

Thanks,

Mike

2 Replies 2

Roberto Salazar
Level 8
Level 8

The message says it receive an invalid traffic from that mac address. The Invalid traffic from

multicast source address syslog message is generated when the switch receives packets with a multicast MAC address as the source MAC. Using a broadcast or multicast MAC address as the source MAC for a frame is not standards-compliant behavior. Take a look at the following page on CCO:

http://www.cisco.com/warp/public/473/176.html#subtopic1m

Thank you that helped. I have not found the problem yet but am working on it.

Mike

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