CISCO SWITCH PORT NUMBERING MAC
show mac address-table address *mac-address*Ģ8cf.da1d. Depending on the Cisco platform, sometimes the command is listed in either form. On that device issue one of the following commands (where mac-address is the hardware address from previous step). The output should look similar to below, and give you the mac-address of the device (listed below in bold). Log into the routing device, and issue the following command (where ipaddress is the ip address of the host you are trying to locate: show ip arp *ipaddress* Sometimes it is a " Router on a Stick", where the Layer 2 VLANs are being trunked up to the router for the Layer 3 decisions. The output should look similar to below, the port you are looking for should be listed as the Destination Port: LYKINS-1861#show mac-address-table address 28cf.da1d.1b05ĭestination Address Address Type VLAN Destination PortĢ8cf.da1d.1b05 Dynamic 10 **FastEthernet0/1/1**įind out what device is doing the routing for this switch (you may have to look at the network documentation).
CISCO SWITCH PORT NUMBERING SERIES
Cisco 550X Series SX550X-16FT - Switch - 16 Ports - Managed - Rack-mountable. Aruba 2930F 48G PoE+ 4SFP 48 Port Managed Switch. Show mac-address-table address *mac-address* Aruba 2930M 24G POE+ 1-Slot 24 Port Managed Switch. show mac address-table address *mac-address* Enter both the module number and the port number to see detailed information about the specified port. Specify a particular module number to see information on the ports on that module only. show interfaces status command with no arguments. Now issue one of the following commands (where mac-address is the hardware address from previous step). To see summary information on all ports on the switch, enter the. Protocol Address Age (min) Hardware Addr Type Interface 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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