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Month: June 2013

RHEL / CentOS 6 Multiple Interfaces on same subnet – network unreachable

RHEL / CentOS 6 Multiple Interfaces on same subnet – network unreachable

I ran into an interesting issue with CentOS 6.4 when I added a second nic on the same subnet as the first. What happens is that I can ping the first interface from outside its subnet but not the second. Also, if from the CentOS host using the second interface I try to ping local IPs it works but IP’s that need to use the default gateway fail and show network unreachable even though the default gateway is correctly configured….

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