/etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
IPADDR=IREPLACE
NETMASK=255.255.252.0
NETWORK=203.9.156.64
BROADCAST=203.9.156.127
ONBOOT=yes
BOOTPROTO=none
USERCTL=no
PEERDNS=n


/etc/sysconfig/network

NETWORKING=yes
HOSTNAME=HREPLACE.eduau.local
# GATEWAY=203.9.156.126
# GATEWAYDEV=eth