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  • 配置链路聚合

    链路聚合配置

    实验环境:VMware Workstation 虚拟机 CentOS7

    1.关闭虚拟机,点击编辑虚拟机设置,选择网络适配器添加两块网卡

    ens37: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.76.129  netmask 255.255.255.0  broadcast 192.168.76.255
        inet6 fe80::a53:e69f:592f:ff95  prefixlen 64  scopeid 0x20<link>
        ether 00:0c:29:57:cb:50  txqueuelen 1000  (Ethernet)
        RX packets 15  bytes 4129 (4.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 25  bytes 4351 (4.2 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
    
    ens38: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.76.128  netmask 255.255.255.0  broadcast 192.168.76.255
        inet6 fe80::2dd5:dc0c:d694:c9f6  prefixlen 64  scopeid 0x20<link>
        ether 00:0c:29:57:cb:5a  txqueuelen 1000  (Ethernet)
        RX packets 19  bytes 4415 (4.3 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 21  bytes 4065 (3.9 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

    2.配置聚合网卡

    生成网卡连接,设置主备模式
      
      网卡模式有:broadcast、roundrobin、activebackup、loadbalance、lacp
    nmcli connection add type team con
    -name team0 ifname team0 config '{"runner":{"name":"activebackup"}}' Connection 'team0' (d908400b-42d2-4b00-8b21-8bd1bb70e3bf) successfully added. nmcli connection modify team0 ipv4.method manual ipv4.addresses '192.168.76.10/24' ipv4.gateway 192.168.76.1 ipv4.dns 8.8.8.8 配置网卡IP地址信息

    3.添加子网卡

    nmcli connection add type team-slave con-name team0-port1 ifname ens37 master team0     第一块添加的网卡将会成为主网卡,直接是活动状态
    
        Connection 'team0-port1' (16111bb4-29cc-4b81-a82e-aedbba7a4ea5) successfully added.
    
    nmcli connection add type team-slave con-name team0-port2 ifname ens38 master team0     第二块添加的网卡将会成为备份网卡,
    
        Connection 'team0-port2' (fc400c01-0c74-4933-821e-40098cfab088) successfully added.

    4.激活网卡

    nmcli connection up team0
    
        Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/6)

    5.查看聚合网卡状态

    nmcli connection show team0
    
    teamdctl team0 state
    
        setup:
            runner: activebackup
        ports:
            ens38
                link watches:
                link summary: up
                instance[link_watch_0]:
                    name: ethtool
                    link: up
                    down count: 0
            ens37
                link watches:
                link summary: up
                instance[link_watch_0]:
                name: ethtool
                link: up
                down count: 0
        runner:
            active port: ens

    6.测试网卡可靠性

    ping -I team0 192.168.76.10     测试可通
    
    nmcli  dev dis  eno37           卸掉主备网卡中的主网卡
    
    teamdctl team0 state            可以看到备份网卡自动成为主网卡
    
        setup:
            runner: activebackup
        ports:
            ens38
                link watches:
                link summary: up
                instance[link_watch_0]:
                    name: ethtool
                    link: up
                    down count: 0
        runner:
            active port: ens38
    
    ping -I team0 192.168.76.10     测试可通
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  • 原文地址:https://www.cnblogs.com/cq146637/p/8321983.html
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