Unicast Flooding with DFC's in 6500

Unanswered Question
Mar 4th, 2009

We have 6506's with 6724 series line cards (with DFC's) that exibit unicast flooding after the mac timer has expired. Has anyone else seen this problem?

I have this problem too.
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agugger Wed, 03/04/2009 - 10:03

Hi Matt

You need a command doing MAC address synchronization between different dfc cards and the pfc. If you like, I can find it in a configuration.

Regards

Andy

agugger Wed, 03/04/2009 - 13:28

Hi Matt

The statement you need is:

"mac-address-table synchronize"

else are the mac addresses not exchange between the different dfc cards.

The description can be found at at the release notes of C6500 IOS 12.2SX.

HtH

Andy

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