5/19/2023 0 Comments How to determine mac addressOf course the most efficient way is still to follow the physical path from the switch port. If you have good documentation and properly labeled switchports, you can skip all the latter. PCS Computer Systems sell building access controls and time management solutions, so this should allow you to narrow down your researches. If you have managed switches you should be able to tell what switchport the mac is on, then you would go to the closet and find the patch panel number, which should lead to its physical location. If you want to make sure of the online mac address, you can for instance ping from a PC in the same subnet and then issue arp -a find 'ip-address-of. If the mac address in your post is the real one that bother you, the NIC is made by PCS Computer Systems GmbH, as can be seen by entering the mac address in the WireShark (no affiliation) OUI Lookup tool. - Yep sorry, slightly misunderstood, try show diag and look for any reference to mac address (es) in the output. It will give you the manufacturer of the Network Interface Card (if this is a physical device) or the hypervisor vendor (if this is a virtual machine). Otherwise if you want to have a hint at what the device which own the mac address is, you can search for the mac address prefix in an OUI lookup tool. Most routers can also refine the search, for example by VLAN with a command like show ip arp interface vlan 100 On most network devices, the command is either show arp You can lookup in the the table of any device within the same (V)LAN but the device that is the most likely to have the info is the router that act as the gateway for this (V)LAN. Generally to find the IP address associated to a MAC Address, the easiest way is to look in the ARP tables.
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