While trying to setup the Redhat Linux machine with two interfaces to install vCloud Director into it, I had some funny problem with my network cards configuration. I have not installed vCloud Director yet at that time, so I was sure it is some Redhat Linux or networking problem rather than vCloud Director in specific. The problem I had, that I was able to ping one of the two NICs IPs from a different subnet, where I could not get the second NIC which I was planning to use for vCloud Director Remote Console to ping. Other machines within the same subnet were able to ping both NICs IPs, while machines from other subnets can only ping the IP of the first NIC.
I checked my network cards configurations and confirmed it had a gateway configured into them, as that seemed to me to be nothing but a routing/default gateway configuration problem. After fuzzing for few hours with this problem and trying every trick that is known to mankind with routing on Linux, I landed on the following post How To Install vCloud Director on RHEL 6.2 – No GUI by Kenny Coleman which explain the solution to the same problem.… Read More