1. SUN without DNS: arp -a
2. SUN with DNS: arp -a; nslookup hostname For Example: % arp -a | grep '00:55:' Net to Media Table Device IP Address Mask Flags Phys Addr ------ -------------------- --------------- ----- --------------- hme0 notsoolate.foo.com 255.255.255.255 00:55:ab:78:89:cd hme0 tiger 255.255.255.255 00:55:af:78:89:gh % nslookup tiger Server: dnslion.foo.com Address: 192.168.0.254 Name: tiger.foo.com ---------------------------- 3. PC (WIN9X): winipcfg, then click on the "adapters" pull down menu, and select the Ethernet card. If the information is not enough, click on details. 4. PC (Others) ipconfig {/all} Try help on ipconfig and ifconfig __________________ William Ampeh (x3939) Federal Reserve Board -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]