I am a UNIX guy. First time to try on the Mac networking. I tried to setup a TCP/IP network on a Mac 7100/80 . I use a transciever and hook up the etwork using 10BaseT. I have make it active and set an address for it. However, when I use another machince to ping this machine. The Mac machine doesn't response. Will you please all the Mac experts give me a clue what I have doen wrong ?