1) I DO NOT mean the mac addresses that the switch has learnt. (from what I know you can check that by Switch#sh mac-address-table command) I mean say you are on switch1 what command do you …

I usually use the website [MAC_Find: Vendor/Ethernet/Bluetooth MAC Address Lookup and Search] to find out the Vendor of the MAC address. Above website can used to check all MAC address.

To respond, the switch must find out the mac address of the hosts and your arp table on the switch will be populated with entries mapping the ip address destination and mac destination.

Possible to find out a switch port's last host? Hi all, 1. On switches, assuming one of its ports has no host connected now, is there a command to show the MAC address for the last host that is …

Use the "sho mac-address-table" along with your pipe augmenter "|" to specifically search for a particular mac address. Start at your core if you have no idea at all where to begin looking and work your way …

All devices in the Layer 2 path must be mutually reachable. To verify the ping connectivity you need to use the IP address that the CDP advertises on its Layer 2 interfaces. The traceroute mac command …

The output of sh spanning-tree vlan 12 that you've pasted here shows that SW2 (with the MAC address ending 2300) is the root bridge for the VLAN12 instance. The MAC address of the local bridge (SW1) …

When a FabricPath edge switch needs to send a frame to a remote MAC address, it performs a MAC address table lookup and finds an entry of the form SWID.SSID.LID.

Has anyone else noticed on Firepower devices that the MAC address is missing from the "show interface" command unless the interface is configured? Are MAC addresses assigned dynamically …

If the target ip address ist not in the local network, the PC will sent the frame to the MAC address of the gateway (and the gateways ip address is looked up in the routing table). Switches will learn entries …