Centos 6.6
1. modify /etc/modprobe.d/bond.conf
alias bond0 bonding
2. config eth0 & eth1
cat /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
TYPE=Ethernet
ONBOOT=yes
BOOTPROTO=none
MASTER=bond0
SLAVE=yes
USERCTL=no
cat /etc/sysconfig/network-scripts/ifcfg-eth1
DEVICE=eth1
TYPE=Ethernet
ONBOOT=yes
BOOTPROTO=none
MASTER=bond0
SLAVE=yes
USERCTL=no
3. modify /etc/sysconfig/network-scripts/ifcfg-bond0
DEVICE=bond0
TYPE=Ethernet
ONBOOT=yes
BOOTPROTO=static
USERCTL=no
BONDING_OPTS="mode=1 miimon=100"
IPADDR=10.11.192.10
NETMASK=255.255.255.0
GATEWAY=10.11.192.1
4. service network restart