Port CPU

Unanswered Question
May 10th, 2007
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While finding a mac port, I got this result, what does mean by port CPU?

Switch#show mac-address-table address 000a.8afa.cf80

Mac Address Table


Vlan Mac Address Type Ports

---- ----------- ---- -----

All 000a.8afa.cf80 STATIC CPU

Total Mac Addresses for this criterion: 1

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Amit Singh Thu, 05/10/2007 - 19:07
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  • Cisco Employee,

Port CPU mean, that the mac-address is assigned by CPU and is an internal allocation for some internal process. Every switch has a pool of mac-addreses for internal allocation for its processes.For example, for STP process, VTP process, switch assings the internal mac-addresses.

-amit singh


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