[root@ansible02:/root] > ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 00:0c:29:90:8b:c4 brd ff:ff:ff:ff:ff:ff inet 192.168.31.177/24 brd 192.168.31.255 scope global eth0 valid_lft forever preferred_lft forever inet6 fe80::20c:29ff:fe90:8bc4/64 scope link valid_lft forever preferred_lft forever 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 00:0c:29:90:8b:ce brd ff:ff:ff:ff:ff:ff inet 192.168.31.171/24 brd 192.168.31.255 scope global dynamic eth1 valid_lft 21570sec preferred_lft 21570sec inet6 fe80::6d0f:bac3:5118:56cd/64 scope link valid_lft forever preferred_lft forever
[root@ansible02:/root] > ls /etc/sysconfig/network-scripts/ifcfg-eth* /etc/sysconfig/network-scripts/ifcfg-eth0
[root@ansible02:/root] > nmcli connection show NAME UUID TYPE DEVICE System eth0 5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 802-3-ethernet eth0 Wired connection 1 828f2e47-127c-33c7-887a-5880973f604c 802-3-ethernet eth1 [root@ansible02:/root] > nmcli connection add con-name eth1 type ethernet ifname eth1 ip4 192.168.31.22/24 gw4 192.168.31.1 Connection 'eth1' (d6ae65d0-77b2-4e99-ae4a-5bf047513f2b) successfully added. [root@ansible02:/root] > ls /etc/sysconfig/network-scripts/ifcfg-eth* /etc/sysconfig/network-scripts/ifcfg-eth0 /etc/sysconfig/network-scripts/ifcfg-eth1 [root@ansible02:/root] > nmcli connection show NAME UUID TYPE DEVICE System eth0 5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 802-3-ethernet eth0 Wired connection 1 828f2e47-127c-33c7-887a-5880973f604c 802-3-ethernet eth1 eth1 d6ae65d0-77b2-4e99-ae4a-5bf047513f2b 802-3-ethernet -- [root@ansible02:/root] > nmcli connection up eth1 Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/3) [root@ansible02:/root] > nmcli connection show NAME UUID TYPE DEVICE System eth0 5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 802-3-ethernet eth0 eth1 d6ae65d0-77b2-4e99-ae4a-5bf047513f2b 802-3-ethernet eth1 Wired connection 1 828f2e47-127c-33c7-887a-5880973f604c 802-3-ethernet -- [root@ansible02:/root] > ifconfig eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.31.177 netmask 255.255.255.0 broadcast 192.168.31.255 inet6 fe80::20c:29ff:fe90:8bc4 prefixlen 64 scopeid 0x20<link> ether 00:0c:29:90:8b:c4 txqueuelen 1000 (Ethernet) RX packets 760 bytes 61908 (60.4 KiB) RX errors 0 dropped 11 overruns 0 frame 0 TX packets 336 bytes 38521 (37.6 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.31.22 netmask 255.255.255.0 broadcast 192.168.31.255 inet6 fe80::e96d:9607:4bbc:2eb prefixlen 64 scopeid 0x20<link> ether 00:0c:29:90:8b:ce txqueuelen 1000 (Ethernet) RX packets 414 bytes 28799 (28.1 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 26 bytes 2392 (2.3 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10<host> loop txqueuelen 1 (Local Loopback) RX packets 24 bytes 2808 (2.7 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 24 bytes 2808 (2.7 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 [root@ansible02:/root] > nmcli device disconnect eth1 Device 'eth1' successfully disconnected. [root@ansible02:/root] > ifconfig eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.31.177 netmask 255.255.255.0 broadcast 192.168.31.255 inet6 fe80::20c:29ff:fe90:8bc4 prefixlen 64 scopeid 0x20<link> ether 00:0c:29:90:8b:c4 txqueuelen 1000 (Ethernet) RX packets 840 bytes 68200 (66.6 KiB) RX errors 0 dropped 11 overruns 0 frame 0 TX packets 376 bytes 44201 (43.1 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 ether 00:0c:29:90:8b:ce txqueuelen 1000 (Ethernet) RX packets 446 bytes 30719 (29.9 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 26 bytes 2392 (2.3 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10<host> loop txqueuelen 1 (Local Loopback) RX packets 24 bytes 2808 (2.7 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 24 bytes 2808 (2.7 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 [root@ansible02:/root] > nmcli connection show NAME UUID TYPE DEVICE System eth0 5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 802-3-ethernet eth0 Wired connection 1 828f2e47-127c-33c7-887a-5880973f604c 802-3-ethernet -- eth1 d6ae65d0-77b2-4e99-ae4a-5bf047513f2b 802-3-ethernet -- [root@ansible02:/root] > nmcli connection up eth1 Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/4) [root@ansible02:/root] > ifconfig eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.31.177 netmask 255.255.255.0 broadcast 192.168.31.255 inet6 fe80::20c:29ff:fe90:8bc4 prefixlen 64 scopeid 0x20<link> ether 00:0c:29:90:8b:c4 txqueuelen 1000 (Ethernet) RX packets 988 bytes 79576 (77.7 KiB) RX errors 0 dropped 11 overruns 0 frame 0 TX packets 447 bytes 53503 (52.2 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.31.22 netmask 255.255.255.0 broadcast 192.168.31.255 inet6 fe80::e96d:9607:4bbc:2eb prefixlen 64 scopeid 0x20<link> ether 00:0c:29:90:8b:ce txqueuelen 1000 (Ethernet) RX packets 507 bytes 34379 (33.5 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 34 bytes 2976 (2.9 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10<host> loop txqueuelen 1 (Local Loopback) RX packets 24 bytes 2808 (2.7 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 24 bytes 2808 (2.7 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 [root@ansible02:/root] > cat /etc/sysconfig/network-scripts/ifcfg-eth1 TYPE=Ethernet PROXY_METHOD=none BROWSER_ONLY=no BOOTPROTO=none IPADDR=192.168.31.22 PREFIX=24 GATEWAY=192.168.31.1 DEFROUTE=yes IPV4_FAILURE_FATAL=no IPV6INIT=yes IPV6_AUTOCONF=yes IPV6_DEFROUTE=yes IPV6_FAILURE_FATAL=no IPV6_ADDR_GEN_MODE=stable-privacy NAME=eth1 UUID=d6ae65d0-77b2-4e99-ae4a-5bf047513f2b DEVICE=eth1 ONBOOT=yes [root@ansible02:/root] > nmcli connection modify eth1 ipv4.method manual [root@ansible02:/root] > cat /etc/sysconfig/network-scripts/ifcfg-eth1 TYPE=Ethernet PROXY_METHOD=none BROWSER_ONLY=no BOOTPROTO=none IPADDR=192.168.31.22 PREFIX=24 GATEWAY=192.168.31.1 DEFROUTE=yes IPV4_FAILURE_FATAL=no IPV6INIT=yes IPV6_AUTOCONF=yes IPV6_DEFROUTE=yes IPV6_FAILURE_FATAL=no IPV6_ADDR_GEN_MODE=stable-privacy NAME=eth1 UUID=d6ae65d0-77b2-4e99-ae4a-5bf047513f2b DEVICE=eth1 ONBOOT=yes