No.1:
ip addr show

No.2:
ip route

No.1:
vi /etc/sysconfig/network-scripts/ifcfg-eth0

No.1:
vi /etc/sysconfig/network-scripts/ifcfg-eth1

No.1:
vi /etc/sysconfig/network-scripts/ifcfg-eth1

No.1:
/etc/init.d/network restart

No.1:
vi /etc/sysconfig/network-scripts/ifcfg-eth1-range0

No.2:
IPADDR_START=[IP]
IPADDR_END=[IP]
CLONENUM_START=0

No.1:
/etc/init.d/network restart