Hello to all! I want to ask a very simple question. Until now when I wanted to find my WAN MAC Add. I used to go in Dos enviroment and type arp -a. And my WAN MAC add. looked like xx-xx-xx-xx-xx. Recently someone told me that if I know my WAN MAC add. I can find my LAN MAC add. He told me that they look alike except the last digit. Is that true? And if it is the last digit that changes what relationship has with the other? If WAN MAC add. last digit is e, the LAN MAC add. would be f or d ?

EDIT Removed post, totally misread OP subject. I'm confused though... are you looking for the MAC address for the Wide Area Network and the Local Area Network? Is this the MAC addresses for two different routers? MAC for an internal network router and MAC for a router that links to the internet?

It's one router that connects the 2 pc's and links to the internet. Yes I'm looking for the Local Area Network MAC address .

The arp command will show you which devices your pc recognises that are connected in your internal network. PC's, printers (other peripherals) and router. What is displayed for each device is their internal IP address and their MAC address (unique to each device like a fingerprint)... I have two pc's connected to the internet via a router and I can see from doing the arp command on one pc the other PC's MAC address and internal IP address.... and likewise for the router. If you are not getting the MAC address for any pc on the network by arp-ing it you can go to the device / PC you need the MAC address for and go to the command prompt and type in ipconfig /all note the space between ipconfig and /all The MAC address will show as the physical address in the format you mentioned xx-xx-xx-xx-xx