> Cisco Works and many other tools will also give you > The commands vary but searching the mac address

> the MAC to a switch port and not worry about the IP. > Depending on the number of switches in your network > arp cache times out after it has disconnected. > This works while the device is connected to the > Show arp | include 'insert the MAC here' will > to IP addresses by looking at the ARP table. > If you have access to the core router on your Have to ping the subnet and show arp until you findĪnother way might be to locate a tool on the internet Is in the same subnet as the 'bad' pc, then you will However, if the management address of this last switch I would shutdown the interface and wait for the phoneĬall from the user that just lost connectivity. Shows the interface that the device is connected.

It will show the path perhpas to anotherįinally you will find a show mac-address command that The result is the interface where the mac can beįound. Go to the core switch and display the arp table.

Linux get ip address from mac address