centos7双网卡绑定

#安装必需的包：
yum install teamd -y
#停止NetworkManager
systemctl stop NetworkManager
systemctl disable NetworkManager

#Creating a Network Team Using ifcfg Files
cd /etc/sysconfig/network-scripts/
vi ifcfg-team0

DEVICE=team0
DEVICETYPE=Team
ONBOOT=yes
BOOTPROTO=none
IPADDR=192.168.11.1
PREFIX=24
#GATEWAY=192.168.11.254
TEAM_CONFIG='{"runner": {"name": "activebackup"}, "link_watch": {"name": "ethtool"}}'

#做好备份继续编辑需要绑定的网卡信息，调整prio优先级

vi ifcfg-eth0

DEVICE=eth0
DEVICETYPE=TeamPort
ONBOOT=yes
TEAM_MASTER=team0
TEAM_PORT_CONFIG='{"prio": 100}'

vi ifcfg-eth1

DEVICE=eth1
DEVICETYPE=TeamPort
ONBOOT=yes
TEAM_MASTER=team0
TEAM_PORT_CONFIG='{"prio": 99}'

#重启网络
systemctl restart network

#检查端口状态
teamnl team0 ports

1: eth0: up 1000Mbit FD
2: eth1: up 1000Mbit FD

#检查teaming状态
teamdctl team0 state

setup:
runner: activebackup
ports:
eth0
link watches:
link summary: up
instance[link_watch_0]:
name: ethtool
link: up
eth1
link watches:
link summary: up
instance[link_watch_0]:
name: ethtool
link: up
runner:
active port: eth0

#手动断开其中一条链路验证主备模式切换是否正常
ip link set eth1 down

teamdctl team0 state

setup:
runner: activebackup
ports:
eth0
link watches:
link summary: up
instance[link_watch_0]:
name: ethtool
link: up
eth1
link watches:
link summary: up
instance[link_watch_0]:
name: ethtool
link: up
runner:
active port: eth1

本文出自 “石头记” 博客，请务必保留此出处http://dodowolf.blog.51cto.com/793581/1753908