Network Issue of Two Default Gateways in Linux OS (Doc ID 1942507.1)

Last updated on JUNE 16, 2016

Applies to:

Linux OS - Version Oracle Linux 5.0 to Oracle Linux 6.5 with Unbreakable Enterprise Kernel [3.8.13] [Release OL5 to OL6U5]
Linux x86-64
Linux x86

Symptoms

Customer assigned two IPs to two NIC card to VM having OS oracle linux 6.5

10.127.7.51 to eth0 and 10.127.13.11 to eth1. But both IPs are not working simultaneously.

But If delete ifcfg-eth0 then eth1 is working and vice-versa.

The Default gateways in place are : 10.127.7.1 and 10.127.13.1 

Changes

Linux OS is assigned two IP addresses and they are using two different Default Gateways.

Cause

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