一、配置bond

1、ifcfg-bond0

# Advanced Micro Devices [AMD] 79c970 [PCnet32 LANCE]

DEVICE=bond0

BOOTPROTO=static

ONBOOT=yes

IPADDR=10.0.26.27

NETMASK=255.255.255.0

GATEWAY=10.0.26.1

2、ifcfg-eth1

# Advanced Micro Devices [AMD] 79c970 [PCnet32 LANCE]

DEVICE=eth1

BOOTPROTO=none

ONBOOT=yes

MASTER=bond0

SLAVE=yes

3、ifcfg-eth2

# Advanced Micro Devices [AMD] 79c970 [PCnet32 LANCE]

DEVICE=eth2

BOOTPROTO=none

ONBOOT=yes

MASTER=bond0

SLAVE=yes

4、/etc/modprobe.conf配置

alias eth0 pcnet32

alias scsi_hostadapter mptbase

alias scsi_hostadapter1 mptspi

alias scsi_hostadapter2 ata_piix

alias net-pf-10 off

alias ipv6 off

options ipv6 disable=1

alias eth1 pcnet32

alias eth2 pcnet32

alias bond0 bonding

options   bonding   millmon=100 mode=1

二、查看状态

1、重启网络

 /etc/init.d/network restart

2、查看bond运行状态

cat /proc/net/bonding/bond0 

Ethernet Channel Bonding Driver: v3.4.0-1 (October 7, 2008)

Bonding Mode: load balancing (round-robin)

MII Status: up

MII Polling Interval (ms): 1

Up Delay (ms): 0

Down Delay (ms): 0

Slave Interface: eth1

MII Status: up

Speed: 100 Mbps

Duplex: full

Link Failure Count: 0

Permanent HW addr: 00:50:56:a2:4d:00

Slave Interface: eth2

MII Status: up

Speed: 100 Mbps

Duplex: full

Link Failure Count: 0

Permanent HW addr: 00:50:56:a2:4d:01

三、测试bond

1、断开eth1网口

[root@test1 network-scripts]# ifdown eth1

2、查看bond状态，eth1已经掉线，现在eth2接管

[root@test1 network-scripts]# cat /proc/net/bonding/bond0 

Ethernet Channel Bonding Driver: v3.4.0-1 (October 7, 2008)

Bonding Mode: load balancing (round-robin)

MII Status: up

MII Polling Interval (ms): 1

Up Delay (ms): 0

Down Delay (ms): 0

Slave Interface: eth2

MII Status: up

Speed: 100 Mbps

Duplex: full

Link Failure Count: 0

Permanent HW addr: 00:50:56:a2:4d:01

3、激活eth1

[root@test1 network-scripts]# ifup eth1

4、查看bond状态，eth1上线，但是网络流量还是在eth2上跑，eth1作为备份。（之前eth1是承载流量）

[root@test1 network-scripts]# cat /proc/net/bonding/bond0 

Ethernet Channel Bonding Driver: v3.4.0-1 (October 7, 2008)

Bonding Mode: load balancing (round-robin)

MII Status: up

MII Polling Interval (ms): 1

Up Delay (ms): 0

Down Delay (ms): 0

Slave Interface: eth2

MII Status: up

Speed: 100 Mbps

Duplex: full

Link Failure Count: 0

Permanent HW addr: 00:50:56:a2:4d:01

Slave Interface: eth1

MII Status: up

Speed: 100 Mbps

Duplex: full

Link Failure Count: 0

Permanent HW addr: 00:50:56:a2:4d:00

本文出自 “lose” 博客，请务必保留此出处http://blove.blog.51cto.com/3116850/1536064