centos7双网卡绑定

23312

#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