John R Pierce wrote: > mcclnx mcc wrote: > >> I have two DELL servers with two Ethernet ports in it. >> Bith servers have CENTOS 4.5 installed. First >> Ethernet port connect to public Ethernet line and work >> correctly. Second Ethernet port I connect >> point-to-point as private Ethernet (cable direct >> connect without router or switch). Private Ethernet >> use IP asddress 1.1.1.1 and 1.1.1.2. >> >> > > > are you using a 'crossover' cable for this? you can't patch two NIC' > directly together with a regular patch cable, it has to be a crossover > cable that has Tx wired to Rx and visa versa. Also, I've had mixed > results using crossover cabling with 1000baseT gig ethernet > > A John rightly points out, you need a 'crossover' cable when not using a hub or switch. It's likely a good idea to have a few crossover's in house. On the chance you're not familiar, this link may prove helpful http://yoda.uvi.edu/InfoTech/rj45.htm Regards, ~Ray