![]() The output should look similar to below, and give you the mac-address of the device (I've highlighted the mac-address below in bold). ![]() ![]() Log into the switch and issue the following command (where ipaddress is the ip address of the host you are trying to locate: show ip arp *ipaddress* In either case, the commands are the same, just run on two different boxes for the layer 2 switch. However on a layer 2 switch, you have to log into both the switch and whatever device is doing the routing to locate the port. On a layer 3 switch, the port can be found by using a few simple commands on the device. ![]() That is to say, is the switch only switching and relaying traffic on to a different device for routing, or, is it doing the routing decisions itself via SVIs (switched virtual interfaces). The answer depends on whether the switch is a Layer 2 or a Layer 3 switch. ![]()
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