These are copies of the NIC configuration files for DHCP and Static Addressing types, just change the ethx for the correct NIC Ident.
DEVICE=eth1 TYPE=Ethernet ONBOOT=yes NM_CONTROLLED=no BOOTPROTO=dhcp PERSISTENT_DHCLIENT=yes
DEVICE=eth2 BOOTPROTO=none IPV6INIT=no NM_CONTROLLED=no ONBOOT="yes" TYPE="Ethernet" IPADDR=10.0.101.1 NETMASK=255.0.0.0 PERSISTENT_DHCLIENT=yes