载入网卡
[[email protected] ~]# nmcli device connect ens1604.3 给ens160 手动配置一个IP
[[email protected] ~]# nmcli connection modify ens160 ipv4.addresses 192.168.10.2/24 ipv4.gateway 192.168.10.254 ipv4.dns 8.8.8.8 ipv4.method manual autoconnect yes重新加载配置文件（增加或修改之后必需执行）
[[email protected] ~]# nmcli connection reload启动网卡
[[email protected] ~]# nmcli connection up ens1604. 4 查看ens160网络信息
[[email protected] ~]# nmcli device show ens160|grep -i ip4IP4.ADDRESS[1]:192.168.10.2/24IP4.GATEWAY:192.168.10.254IP4.ROUTE[1]:dst = 192.168.10.0/24, nh = 0.0.0.0, mt = 100IP4.ROUTE[2]:dst = 0.0.0.0/0, nh = 192.168.10.254, mt = 100IP4.DNS[1]:8.8.8.8IP4.ADDRESS[1]:192.168.122.1/24IP4.GATEWAY:--IP4.ROUTE[1]:dst = 192.168.122.0/24, nh = 0.0.0.0, mt = 0IP4.ADDRESS[1]:127.0.0.1/8IP4.GATEWAY:--4.5 添加一个网络配置文件ens160-new,并配置IP地址
[[email protected] network-scripts]# nmcli connection add type ethernet con-name ens160-new ifname ens160 ipv4.addresses 192.168.10.3 ipv4.gateway 192.168.10.254/24 ipv4.dns 114.114.114.114 ipv4.method manual Connection 'ens160-new' (5825bc94-9919-4993-9abd-e4ec5ef9a4d5) successfully added.4.5.1 查看网络连接名信息(这里可以看到多出一个ens160-new)
[[email protected] network-scripts]# nmcli connection show NAMEUUIDTYPEDEVICE ens16042e915da-c4bc-44ca-9d27-7cd21e2b3755ethernetens160 virbr04e4a1f37-2072-4368-ae9c-e87c0cd5cc40bridgevirbr0 ens160-new5825bc94-9919-4993-9abd-e4ec5ef9a4d5ethernet--4.5.2 查看网络配置文件ens160-new是否生成
[[email protected] ~]# cd /etc/sysconfig/network-scripts/[[email protected] network-scripts]# pwd/etc/sysconfig/network-scripts[[email protected] network-scripts]# lsifcfg-ens160ifcfg-ens160-new4.5.3 查看网络配置文件ens160-new内容
[[email protected] network-scripts]# cat ifcfg-ens160-new TYPE=EthernetPROXY_METHOD=noneBROWSER_ONLY=noBOOTPROTO=noneIPADDR=192.168.10.3PREFIX=24GATEWAY=192.168.10.254DNS1=114.114.114.114DEFROUTE=yesIPV4_FAILURE_FATAL=noIPV6INIT=yesIPV6_AUTOCONF=yesIPV6_DEFROUTE=yesIPV6_FAILURE_FATAL=noIPV6_ADDR_GEN_MODE=stable-privacyNAME=ens160-newUUID=5825bc94-9919-4993-9abd-e4ec5ef9a4d5DEVICE=ens160ONBOOT=yes4.5.4 重新加载并启动ens160-new配置文件
[[email protected] ~]# nmcli connection reload [[email protected] ~]# nmcli connection up ens160-new4.5.5 查看当前活动配置文件(可以看到CONNECT这一栏里的连接名变成ens160-new)
[[email protected] ~]# nmcli device statusDEVICETYPESTATECONNECTION ens160ethernetconnectedens160-new virbr0bridgeconnected (externally)virbr0loloopbackunmanaged--virbr0-nictununmanaged--4.5.6 查看设备ens160当前激活的网络信息
[[email protected] ~]# nmcli device showens160 |grep -i ip4IP4.ADDRESS[1]:192.168.10.3/24IP4.GATEWAY:192.168.10.254IP4.ROUTE[1]:dst = 192.168.10.0/24, nh = 0.0.0.0, mt = 100IP4.ROUTE[2]:dst = 0.0.0.0/0, nh = 192.168.10.254, mt = 100IP4.DNS[1]:114.114.114.1144.5.7 也可以通过连接名ens160-new查看网络信息（注意关键字,这里用的是nmcli connect）
[[email protected] ~]# nmcli connection show ens160-new |grep -i ip4IP4.ADDRESS[1]:192.168.10.3/24IP4.GATEWAY:192.168.10.254IP4.ROUTE[1]:dst = 192.168.10.0/24, nh = 0.0.0.0, mt = 100IP4.ROUTE[2]:dst = 0.0.0.0/0, nh = 192.168.10.254, mt = 100IP4.DNS[1]:114.114.114.1144.6 创建网卡绑定(最常用的两种模式 active backup 与LACP)
#1.创建team接口
#2.给team分配地址
#3.创建team的子接口（slave interface）
#4.激活team接口和team的子接口
4.6 .1 手工配置active backup
nmcli connection addtype team con-name tema0 ifname team0 team.runner activebackupipv4.addresses 192.168.10.11/24 ipv4.method manualnmcli con add con-name team0-port1 ifname ens160 type team-slave master team0nmcli con add con-name team0-port2 ifname ens256 type team-slave master team0nmcli con up team0nmcli con up team0-port1nmcli con up team0-port2