(I spent some time trolling the Cisco pages but haven't found the command yet. With two Cisco ME3600 (or similar MPLS & VPLS capable devices) running recent code 15. 2912 can use " | " as you said but it never reply with the MAC or IP i want. Show conf shows all stack members but sho mac address-table only shows the first stack member. The following instructions will guide you through the process of obtaining this information: 1. In order to assist in troubleshooting phone incidents, the IMT Support Desk may ask you to provide the MAC Address and IP Address of your Cisco phone. So i used it, and it replied with many IP connect at vitual interface Locating a Cisco Phone MAC Address and IP Address. Noalias Display IP address instead of alias hostname From the CCNP SWITCH official certification guide: mac-address-table was used until Catalyst IOS ver 12.1(11)EA1 mac address. The syntax in early versions is show mac-address-table. show mac address-table interface xxx shows the table only for the specified interface. Mlsrp Show cam Multilayer Switching Router infoĪnd it reply with physical port that connect to 2912 switch Switch show cluster candidates mac-address 4c0 Device 'Tahiti-12' with mac address number 4c0 Device type: cisco WS-C3750-12T Upstream MAC address: 00d0.796d. show mac address-table shows the entire table for the device.
This will stay in the config until the switch is rebooted, so it’s important to write the config. After enabling, you will notice the currently connected MAC address (es) will appear in the running config: switchport port-security mac-address sticky. Īnyway i've tried all command for every switch & router will summarize as the following. switchport port-security mac-address sticky turns on the sticky MAC feature. I have setup a lab with 2 Switches connected by a Trunk interface and created VLAN interfaces and allowed those VLANs in trunk. Mac address starting with 0018b9 belongs to Cisco as per MAC Vendor database. (^ - ^bb)Īnyway just in case you want to know the story. (Small tip: When you see a large number of MAC addresses showing up on a single port, theres a switch on that port into which those MAC addresses are connected. 0018.b974.528f Mac address is learned multiple times through same port on different VLANs. now i know already that the list of IP address that i got after do 'sh arp' at core router has only 1 IP that can ping so the thing that connects to the switch port is that one.
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