3 PCs, 2 Networks, 1 wired, 1 wireless

[Guest]

I can't make PC B and C see each other via Cat6 crossover cable...
PC A and B are connected wirelessly via a residential gateway/router/DSL box
thing (AT&T DSL). I want PC B and C to share a separate network via the Cat6
crossover cable, I don't want PC A and C to see each other. C has its own
internet connection via another AT&T DSL box and motherboard ethernet. I
managed to install a second ethernet adapter on B and C, I even installed the
unsupported NetBUI protocal. But, the taskbar icon always says limited or no
connectivity on both. And if I have to restart PC C, it wont start correctly
unless I unplug the cable and disable ethernet adapter.

 

[Robert L [MVP - Networking]]

Posting the results of ipconfig /all here may help.

Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
I can't make PC B and C see each other via Cat6 crossover cable...
PC A and B are connected wirelessly via a residential gateway/router/DSL box
thing (AT&T DSL). I want PC B and C to share a separate network via the Cat6
crossover cable, I don't want PC A and C to see each other. C has its own
internet connection via another AT&T DSL box and motherboard ethernet. I
managed to install a second ethernet adapter on B and C, I even installed the
unsupported NetBUI protocal. But, the taskbar icon always says limited or no
connectivity on both. And if I have to restart PC C, it wont start correctly
unless I unplug the cable and disable ethernet adapter.