11 centos 8 桥接及nic-team
Posted abel2020
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centos 8 桥接及nic-team: //没发现有什么用 # systemctl restart NetworkManager // nmcli 命令大部分配置可以自动保存为配置文件 // 查看接口(ifname) # nmcli device DEVICE TYPE STATE CONNECTION ens33 ethernet connected ens33 virbr0 bridge connected virbr0 br-ex bridge connecting (getting IP configuration) br-ex lo loopback unmanaged -- virbr0-nic tun unmanaged -- // 查看连接 con-name , 配置文件名为 if-CON-NAME # nmcli connection show NAME UUID TYPE DEVICE br-ex 21953ed4-7fbf-4410-955f-5f071d7a2264 bridge br-ex ens33 835e5455-8478-47d0-9e4d-d43935ff8a74 ethernet ens33 virbr0 c9923ce9-a65a-4a78-9461-c4ce549b44a0 bridge virbr0 -------------------------------------------------------------------------------------------- test 1: 桥接 //删除连接 # nmcli connection delete ens33 # nmcli connection delete br-ex //添加一个网桥及连接 # nmcli connection add type bridge con-name br-ex ifname br-ex autoconnect yes # nmcli connection add type ethernet con-name ens33 ifname ens33 autoconnect yes //重启接口及连接 # nmcli connection down br-ex # nmcli connection up br-ex # nmcli connection down ens33 # nmcli connection up ens33 //配置地址 网关 dns , 配置完使用 route -n ,ip , vi 等查看,已配置完成 # nmcli connection modify br-ex ipv4.addresses 192.168.1.131/24 ipv4.gateway 192.168.1.253 ipv4.dns 235.5.5.5 //网桥添加接口 # nmcli connection add type bridge-slave con-name br-ex-p0 ifname ens33 master br-ex //修改ip地址 #nmcli connection modify br-ex ipv4.addresses 192.168.1.11/24 //测试 route -n ,ip ,ping -------------------------------------------------------------------------------------------- test 2: nic team , bound与team 雷同 ////删除连接 #nmcli connection delete br-ex #nmcli connection delete br-ex-p0 //创建team0 模式为 activebackup,并配置地址等 # nmcli connection add con-name team0 ifname team0 type team config ‘{"runner":{"name":"activebackup"}}‘ ipv4.addresses 192.168.1.11/24 ipv4.gateway 192.168.1.253 ipv4.dns 223.5.5.5 //team 中加入接口 ,没有指定con-name,自动生成的con-name也挺好的:) # nmcli connection add type team-slave ifname ens33 master team0 # nmcli connection add type team-slave ifname ens37 master team0 #nmcli connection show NAME UUID TYPE DEVICE team0 ede2b450-04a2-4f92-8755-898e346ee707 team team0 virbr0 c9923ce9-a65a-4a78-9461-c4ce549b44a0 bridge virbr0 team-slave-ens33 5fbc73b3-abff-4869-83ee-7e5efdcc49d9 ethernet ens33 team-slave-ens37 6d022e53-7359-41b4-9257-20615eaf9b57 ethernet ens37 //测试 route -n ,ip ,ping --------------------------------------------------------------------------------------------
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