Hi Folks: When you are doing an auto-install, what address does the "new" router sent as its mac address? I know that serial interfaces does not have MAC addresses associated with it but what happens if you have a router with dual ethernet and token ring interfaces??? Thanks in advance. David Luong CCNP,CCNA,Network+,A+,i-Net+ Telecommunications Analyst Insurance Corporation of B.C. Vancouver, B.C CANADA