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jcc
Community Member

Tracking port by IP

Version 12.2(17r)S1, I have the IP address and would like to track to the ethernet port they are connected to, what commands can I use. I tried the sh ip arp but it only shows the vlan not the phisical port.

1 REPLY

Re: Tracking port by IP

Copy the MAC that you see in the ARP table for the IP and execute the following command in the switch to identify the port through which the MAC address was learned.

On IOS switch:

show mac-address-table address

On CatOS switch:

show cam

HTH

Sundar

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