TCPIP and 2 interfaces

I have 2 QNX 4 boxes set up each with 2 ethernet cards en1 and en2. The QNX networking works perfectly and is using both interfaces as far as I can tell from netinfo -l.

I installed TCPIP on both machines and they can ping themselves perfectly but cannot ping each other. The setup is dead simple, no routing involved at all, IP number range and subnet masks are the same, everything I can think of is setup correctly.

Has anyone run across this before? I’m guessing it has something to do with the dual ethernet interfaces but who knows…


Sheldon Parkes

so you have two null-modem types of RJ-45 ethernet cable connecting those two QNX4 boxes? if so, you may need to change different subnet for those two networks.