How to locate a device using mac address in Cisco switch

• log into Cisco switch Ping device’s IP address first and

• find the mac address using show arp | include 99  (note: use include to filter the output)

• use show mac address-table | include 8cce (note: use part of the mac address to filter the result)

• Here, we know that the device is connect to port 9

Note: if the one switch is connected to another switch, we can use show cdp neighbors  and show cdp neighbors deail to find out the ip address of the connected switch  .