If you are using eth2 and eth3 for interconnectivity, use the following procedure examples to set mandatory devices.

To set mandatory devices entry in the /etc/sysconfig/network/config

Enter:

    MANDATORY_DEVICES="eth2-00:04:23:AD:4A:4C 
    eth3-00:04:23:AD:4A:4D"

To set a persistent name entry in an interface file

In file: /etc/sysconfig/network/ifcfg-eth-id-00:09:3d:00:cd:22 (Name of the eth0 Interface file), enter:

    BOOTPROTO='static'
    BROADCAST='10.212.255.255'
    IPADDR='10.212.88.22'
    MTU=' '
    NETMASK='255.255.254.0'
    NETWORK='10.212.88.0'
    REMOTE_IP=' '
    STARTMODE='onboot'
    UNIQUE='RFE1.bBSepP2NetB'
    _nm_name='bus-pci-0000:06:07.0'
    PERSISTENT_NAME=eth0