I just want to thank everyone (Alson van der Meulen, Krzys Majewski,
Tilton, Ron Golan, Kevin A. Foss) who replied to my post regarding my
problems with the 3Com 3c905B NICs.
While I was unable to get the 3Com NICs working the way I wanted to, I
decided to stick with the D-Link 530-TX+ NICs that I bought (thinking
that the 3Com NICs were defective). I cannot return the D-Link NICs that
I bought, so I am keeping them instead.
The problem turns out is that Rogers@Home has memorized the MAC address
of the Sohoware NDC 10/100 NIC that I have been using for the last 3
months or so. I doubt that all of the 3Com NICs were bad, although one
was suspicious! No amount of power-cycling the Terayon cable modem has
fixed the problem. But now that I have my internal network working fine,
I am back in business.
Thanks also to all the people who wrote regarding hardware
recommendations for my new system.
I want to thank everyone who replied. The level of help, friendliness
and support extended by the people on this list is unsurpassed in its
generosity, quality and timeliness. I think this list should serve as a
model for how true community-based support should work.
 If I have missed anyone's name, I apologize for that. Your help was
ssahmed AT pathcom DOT com