A serial port does not have a MAC address. In IPX, a host address consists of the network address followed by a six-byte host portion which--as you noticed--gets borrowed from the MAC address of the ethernet interface. So, the serial link does not have a MAC address, but it borrows the MAC address from the ethernet interface to construct an IPX host address. This sort of thing is not necessary with IP.
HTH, John >>> "Cisco Nuts" 1/14/02 1:14:35 PM >>> Hello, Sorry for my previous email regarding seeing the mac address used by a serial port. The correct post should have been "What test can I do on my router to see the mac address used by the serial port from the output of a #debug broadcast command ?? And incidentally, this command is only available on ios ver. 10.3 which I am running on my 4500. But NOT present on ios 11.3 or 12.0.9?? Looks like the #debug arp has replaced it?? Please advsie _________________________________________________________________ MSN Photos is the easiest way to share and print your photos: http://photos.msn.com/support/worldwide.aspx Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=31906&t=31901 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

