As you are having both NICs on the same subnet, I believe your problem was caused by reverse path filtering. You will need to disable that for you to be able to reach both nics in the same subnet.

For more info on this, please check out my following post:

How to get Redhat 6.2 Linux Second NIC to Ping

If this resolve your problem, them please mark as resolved and reward points.

Regards,

Eiad Al-Aqqad

B: http://www.Virtualizationteam.com

B: http://www.TSMGuru.com