bond内核模块和称为通道绑定接口的特殊网络，接口将多个网络接口绑定到一个通道。

根据选择的绑定模式，通道绑定使两个或者更多个网络接口作为一个网络接口，从而增加带宽或者提供冗余性

模式0(平衡轮循) - 轮循策略，所有 接口都采用轮循方式在所有slave中传输封包，任何slave都可以接收

模式1(主动备份) - 容错，  一次只能使用一个slave接口，但是如果该接口出现故障，另一个slave将接替它

模式3(广播) - 容错， 所有封包都将通过所有slave接口广播

eth0     192.168.1.104    eth1     192.168.1.105

bound  192.168.1.106

软件配置

cp -pv /etc/sysconfig/selinux /etc/sysconfig/selinux.bak

echo 'SELINUX=disabled'  > /etc/sysconfig/selinux

cp -pv /etc/sysconfig/network-scripts/ifcfg-eth0 /etc/sysconfig/network-scripts/ifcfg-eth0.bak

cp -pv /etc/sysconfig/network-scripts/ifcfg-eth1 /etc/sysconfig/network-scripts/ifcfg-eth1.bak

cat  /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0

HWADDR=00:0C:29:45:17:69

TYPE=Ethernet

UUID=2a0d57d6-4cc6-4fb0-82b0-6efe7cef4d14

ONBOOT=yes

BOOTPROTO=none

SLAVE=yes

MASTER=bond0

cat /etc/sysconfig/network-scripts/ifcfg-eth1

DEVICE=eth1

HWADDR=00:0C:29:45:17:73

TYPE=Ethernet

UUID=62962214-47ea-4791-866c-08b2e004af83

ONBOOT=yes

BOOTPROTO=none

SLAVE=yes

MASTER=bond0

cat /etc/sysconfig/network-scripts/ifcfg-bond0

DEVICE=bond0

TYPE=Ethernet

USERCTL=no

ONBOOT=yes

#BONDING_OPTS="miimon=100 mode=1"

BOOTPROTO=static

IPADDR=192.168.1.106

NETMASK=255.255.255.0

GATEWAY=192.168.1.1

cp -pv /etc/modprobe.d/dist.conf /etc/modprobe.d/dist.conf.bak

echo 'alias bond0 bonding' >> /etc/modprobe.d/dist.conf

echo 'options bond0 miimon=100 mode=1' >> /etc/modprobe.d/dist.conf

less /etc/modprobe.d/dist.conf | grep bond

alias bond0 bonding

options bond0 miimon=100 mode=1

cp -pv /etc/rc.d/rc.local  /etc/rc.d/rc.local.bak

echo 'ifenslave bond0 eth0 eth1'  >>  /etc/rc.d/rc.local

less /etc/rc.d/rc.local | grep bond

ifenslave bond0 eth0 eth1

service NetworkManager stop

chkconfig NetworkManager off

service network restart

ip addr | grep bond

4: bond0: mtu 1500 qdisc noqueue state UP

inet 192.168.1.106/24 brd 192.168.1.255 scope global bond0