• nmcli


    [root@web01 ~]# nmcli device status
    DEVICE TYPE STATE CONNECTION
    eth0 ethernet connected eth0
    lo loopback unmanaged --
    [root@web01 ~]# nmcli connection show
    NAME UUID TYPE DEVICE
    eth0 5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 802-3-ethernet eth0
    [root@web01 ~]# nmcli connection show --active
    NAME UUID TYPE DEVICE
    eth0 5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 802-3-ethernet eth0
    [root@web01 ~]# ip addr show
    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:29:35:f3:09 brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.138/24 brd 192.168.31.255 scope global eth0
    valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe35:f309/64 scope link
    valid_lft forever preferred_lft forever
    [root@web01 ~]#

    [root@web01 ~]# ip addr show eth0
    2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:0c:29:35:f3:09 brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.138/24 brd 192.168.31.255 scope global eth0
    valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe35:f309/64 scope link
    valid_lft forever preferred_lft forever
    [root@web01 ~]#

    [root@ansible01:/root]
    > nmcli connection show
    NAME UUID TYPE DEVICE
    System eth0 5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 802-3-ethernet eth0
    Wired connection 1 ecc6ad4a-104f-3712-bf25-783532c6ef6a 802-3-ethernet eth1

    [root@ansible01:/root]
    > ip addr
    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:29:3c:8f:bd brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.176/24 brd 192.168.31.255 scope global eth0
    valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe3c:8fbd/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:29:3c:8f:c7 brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.170/24 brd 192.168.31.255 scope global dynamic eth1
    valid_lft 21434sec preferred_lft 21434sec
    inet6 fe80::d712:1936:1554:8b49/64 scope link
    valid_lft forever preferred_lft forever

    [root@ansible01:/root]
    > cat /etc/sysconfig/network-scripts/ifcfg-eth1
    cat: /etc/sysconfig/network-scripts/ifcfg-eth1: No such file or directory

    [root@ansible01:/root]
    > cd /etc/sysconfig/network-scripts/

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ll
    total 224
    -rw-r--r--. 1 root root 139 Mar 17 13:02 ifcfg-eth0
    -rw-r--r--. 1 root root 254 May 3 2017 ifcfg-lo
    lrwxrwxrwx. 1 root root 24 Mar 17 11:08 ifdown -> ../../../usr/sbin/ifdown
    -rwxr-xr-x. 1 root root 654 May 3 2017 ifdown-bnep
    -rwxr-xr-x. 1 root root 6571 May 3 2017 ifdown-eth
    -rwxr-xr-x. 1 root root 781 May 3 2017 ifdown-ippp
    -rwxr-xr-x. 1 root root 4540 May 3 2017 ifdown-ipv6
    lrwxrwxrwx. 1 root root 11 Mar 17 11:08 ifdown-isdn -> ifdown-ippp
    -rwxr-xr-x. 1 root root 1768 May 3 2017 ifdown-post
    -rwxr-xr-x. 1 root root 1068 May 3 2017 ifdown-ppp
    -rwxr-xr-x. 1 root root 870 May 3 2017 ifdown-routes
    -rwxr-xr-x. 1 root root 1456 May 3 2017 ifdown-sit
    -rwxr-xr-x. 1 root root 1621 Aug 3 2017 ifdown-Team
    -rwxr-xr-x. 1 root root 1556 Apr 15 2016 ifdown-TeamPort
    -rwxr-xr-x. 1 root root 1462 May 3 2017 ifdown-tunnel
    lrwxrwxrwx. 1 root root 22 Mar 17 11:08 ifup -> ../../../usr/sbin/ifup
    -rwxr-xr-x. 1 root root 12312 May 3 2017 ifup-aliases
    -rwxr-xr-x. 1 root root 910 May 3 2017 ifup-bnep
    -rwxr-xr-x. 1 root root 12680 May 3 2017 ifup-eth
    -rwxr-xr-x. 1 root root 12075 May 3 2017 ifup-ippp
    -rwxr-xr-x. 1 root root 11893 May 3 2017 ifup-ipv6
    lrwxrwxrwx. 1 root root 9 Mar 17 11:08 ifup-isdn -> ifup-ippp
    -rwxr-xr-x. 1 root root 650 May 3 2017 ifup-plip
    -rwxr-xr-x. 1 root root 1064 May 3 2017 ifup-plusb
    -rwxr-xr-x. 1 root root 3433 May 3 2017 ifup-post
    -rwxr-xr-x. 1 root root 4154 May 3 2017 ifup-ppp
    -rwxr-xr-x. 1 root root 2001 May 3 2017 ifup-routes
    -rwxr-xr-x. 1 root root 3303 May 3 2017 ifup-sit
    -rwxr-xr-x. 1 root root 1755 Apr 15 2016 ifup-Team
    -rwxr-xr-x. 1 root root 1876 Apr 15 2016 ifup-TeamPort
    -rwxr-xr-x. 1 root root 2711 May 3 2017 ifup-tunnel
    -rwxr-xr-x. 1 root root 1836 May 3 2017 ifup-wireless
    -rwxr-xr-x. 1 root root 5419 May 3 2017 init.ipv6-global
    -rw-r--r--. 1 root root 18919 May 3 2017 network-functions
    -rw-r--r--. 1 root root 31027 May 3 2017 network-functions-ipv6

    [root@ansible01:/etc/sysconfig/network-scripts]
    > nmcli connection add con-name eth1 type ethernet ifname eth1
    Connection 'eth1' (0a2027d8-54d5-4b95-a682-a9286c6bd692) successfully added.

    [root@ansible01:/etc/sysconfig/network-scripts]
    > nmcli connection show
    NAME UUID TYPE DEVICE
    System eth0 5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 802-3-ethernet eth0
    Wired connection 1 ecc6ad4a-104f-3712-bf25-783532c6ef6a 802-3-ethernet eth1
    eth1 0a2027d8-54d5-4b95-a682-a9286c6bd692 802-3-ethernet --

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ip addr
    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:29:3c:8f:bd brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.176/24 brd 192.168.31.255 scope global eth0
    valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe3c:8fbd/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:29:3c:8f:c7 brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.170/24 brd 192.168.31.255 scope global dynamic eth1
    valid_lft 21282sec preferred_lft 21282sec
    inet6 fe80::d712:1936:1554:8b49/64 scope link
    valid_lft forever preferred_lft forever

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ls -l
    total 228
    -rw-r--r--. 1 root root 139 Mar 17 13:02 ifcfg-eth0
    -rw-r--r-- 1 root root 278 Mar 20 16:38 ifcfg-eth1
    -rw-r--r--. 1 root root 254 May 3 2017 ifcfg-lo
    lrwxrwxrwx. 1 root root 24 Mar 17 11:08 ifdown -> ../../../usr/sbin/ifdown
    -rwxr-xr-x. 1 root root 654 May 3 2017 ifdown-bnep
    -rwxr-xr-x. 1 root root 6571 May 3 2017 ifdown-eth
    -rwxr-xr-x. 1 root root 781 May 3 2017 ifdown-ippp
    -rwxr-xr-x. 1 root root 4540 May 3 2017 ifdown-ipv6
    lrwxrwxrwx. 1 root root 11 Mar 17 11:08 ifdown-isdn -> ifdown-ippp
    -rwxr-xr-x. 1 root root 1768 May 3 2017 ifdown-post
    -rwxr-xr-x. 1 root root 1068 May 3 2017 ifdown-ppp
    -rwxr-xr-x. 1 root root 870 May 3 2017 ifdown-routes
    -rwxr-xr-x. 1 root root 1456 May 3 2017 ifdown-sit
    -rwxr-xr-x. 1 root root 1621 Aug 3 2017 ifdown-Team
    -rwxr-xr-x. 1 root root 1556 Apr 15 2016 ifdown-TeamPort
    -rwxr-xr-x. 1 root root 1462 May 3 2017 ifdown-tunnel
    lrwxrwxrwx. 1 root root 22 Mar 17 11:08 ifup -> ../../../usr/sbin/ifup
    -rwxr-xr-x. 1 root root 12312 May 3 2017 ifup-aliases
    -rwxr-xr-x. 1 root root 910 May 3 2017 ifup-bnep
    -rwxr-xr-x. 1 root root 12680 May 3 2017 ifup-eth
    -rwxr-xr-x. 1 root root 12075 May 3 2017 ifup-ippp
    -rwxr-xr-x. 1 root root 11893 May 3 2017 ifup-ipv6
    lrwxrwxrwx. 1 root root 9 Mar 17 11:08 ifup-isdn -> ifup-ippp
    -rwxr-xr-x. 1 root root 650 May 3 2017 ifup-plip
    -rwxr-xr-x. 1 root root 1064 May 3 2017 ifup-plusb
    -rwxr-xr-x. 1 root root 3433 May 3 2017 ifup-post
    -rwxr-xr-x. 1 root root 4154 May 3 2017 ifup-ppp
    -rwxr-xr-x. 1 root root 2001 May 3 2017 ifup-routes
    -rwxr-xr-x. 1 root root 3303 May 3 2017 ifup-sit
    -rwxr-xr-x. 1 root root 1755 Apr 15 2016 ifup-Team
    -rwxr-xr-x. 1 root root 1876 Apr 15 2016 ifup-TeamPort
    -rwxr-xr-x. 1 root root 2711 May 3 2017 ifup-tunnel
    -rwxr-xr-x. 1 root root 1836 May 3 2017 ifup-wireless
    -rwxr-xr-x. 1 root root 5419 May 3 2017 init.ipv6-global
    -rw-r--r--. 1 root root 18919 May 3 2017 network-functions
    -rw-r--r--. 1 root root 31027 May 3 2017 network-functions-ipv6

    [root@ansible01:/etc/sysconfig/network-scripts]
    > cat ifcfg-eth1
    TYPE=Ethernet
    PROXY_METHOD=none
    BROWSER_ONLY=no
    BOOTPROTO=dhcp
    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=0a2027d8-54d5-4b95-a682-a9286c6bd692
    DEVICE=eth1
    ONBOOT=yes

    [root@ansible01:/etc/sysconfig/network-scripts]
    > nmcli connection add con-name eth1 type ethernet ifname eth1
    > ip4 192.168.31.28/24 gw4 192.168.0.254
    Connection 'eth1' (3e4a4167-05da-4d2f-a763-6ba29f9622d2) successfully added.

    [root@ansible01:/etc/sysconfig/network-scripts]
    > nmcli connection up static-eth1
    Error: unknown connection 'static-eth1'.

    [root@ansible01:/etc/sysconfig/network-scripts]
    > nmcli connection show
    NAME UUID TYPE DEVICE
    System eth0 5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 802-3-ethernet eth0
    Wired connection 1 ecc6ad4a-104f-3712-bf25-783532c6ef6a 802-3-ethernet eth1
    eth1 0a2027d8-54d5-4b95-a682-a9286c6bd692 802-3-ethernet --
    eth1 3e4a4167-05da-4d2f-a763-6ba29f9622d2 802-3-ethernet --

    [root@ansible01:/etc/sysconfig/network-scripts]
    > 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:29:3c:8f:bd brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.176/24 brd 192.168.31.255 scope global eth0
    valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe3c:8fbd/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:29:3c:8f:c7 brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.170/24 brd 192.168.31.255 scope global dynamic eth1
    valid_lft 20925sec preferred_lft 20925sec
    inet6 fe80::d712:1936:1554:8b49/64 scope link
    valid_lft forever preferred_lft forever

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ifdown eth1
    Device 'eth1' successfully disconnected.

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ifconfig
    eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
    inet 192.168.31.176 netmask 255.255.255.0 broadcast 192.168.31.255
    inet6 fe80::20c:29ff:fe3c:8fbd prefixlen 64 scopeid 0x20<link>
    ether 00:0c:29:3c:8f:bd txqueuelen 1000 (Ethernet)
    RX packets 26731 bytes 1915972 (1.8 MiB)
    RX errors 0 dropped 20 overruns 0 frame 0
    TX packets 3011 bytes 329662 (321.9 KiB)
    TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

    eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
    ether 00:0c:29:3c:8f:c7 txqueuelen 1000 (Ethernet)
    RX packets 1315 bytes 90528 (88.4 KiB)
    RX errors 0 dropped 1 overruns 0 frame 0
    TX packets 11 bytes 1350 (1.3 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 12 bytes 1404 (1.3 KiB)
    RX errors 0 dropped 0 overruns 0 frame 0
    TX packets 12 bytes 1404 (1.3 KiB)
    TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0


    [root@ansible01:/etc/sysconfig/network-scripts]
    > nmcli connection show
    NAME UUID TYPE DEVICE
    System eth0 5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 802-3-ethernet eth0
    Wired connection 1 ecc6ad4a-104f-3712-bf25-783532c6ef6a 802-3-ethernet --
    eth1 0a2027d8-54d5-4b95-a682-a9286c6bd692 802-3-ethernet --
    eth1 3e4a4167-05da-4d2f-a763-6ba29f9622d2 802-3-ethernet --

    [root@ansible01:/etc/sysconfig/network-scripts]
    > /etc/init.d/network restart
    Restarting network (via systemctl): [ OK ]

    [root@ansible01:/etc/sysconfig/network-scripts]
    > nmcli connection show
    NAME UUID TYPE DEVICE
    System eth0 5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 802-3-ethernet eth0
    eth1 0a2027d8-54d5-4b95-a682-a9286c6bd692 802-3-ethernet eth1
    Wired connection 1 ecc6ad4a-104f-3712-bf25-783532c6ef6a 802-3-ethernet --
    eth1 3e4a4167-05da-4d2f-a763-6ba29f9622d2 802-3-ethernet --

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ip addr
    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:29:3c:8f:bd brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.176/24 brd 192.168.31.255 scope global eth0
    valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe3c:8fbd/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:29:3c:8f:c7 brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.170/24 brd 192.168.31.255 scope global dynamic eth1
    valid_lft 21579sec preferred_lft 21579sec
    inet6 fe80::3cd8:c358:5fda:8c76/64 scope link
    valid_lft forever preferred_lft forever

    [root@ansible01:/etc/sysconfig/network-scripts]
    > nmcli connection add con-name eth1 type ethernet ifname eth1
    > ip4 192.168.31.28/24 gw4 192.168.31.1
    Connection 'eth1' (f2cafb9f-1571-4df2-90e7-0d5178a03184) successfully added.

    [root@ansible01:/etc/sysconfig/network-scripts]
    > nmcli connection up eth1
    Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/5)

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ip addr
    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:29:3c:8f:bd brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.176/24 brd 192.168.31.255 scope global eth0
    valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe3c:8fbd/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:29:3c:8f:c7 brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.28/24 brd 192.168.31.255 scope global eth1
    valid_lft forever preferred_lft forever
    inet6 fe80::e09:f4b3:5015:5f99/64 scope link
    valid_lft forever preferred_lft forever

    [root@ansible01:/etc/sysconfig/network-scripts]
    > cat ifcfg-eth1
    ifcfg-eth1 ifcfg-eth1-1 ifcfg-eth1-2

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ll
    total 236
    -rw-r--r--. 1 root root 139 Mar 17 13:02 ifcfg-eth0
    -rw-r--r-- 1 root root 278 Mar 20 16:38 ifcfg-eth1
    -rw-r--r-- 1 root root 331 Mar 20 16:41 ifcfg-eth1-1
    -rw-r--r-- 1 root root 330 Mar 20 16:48 ifcfg-eth1-2
    -rw-r--r--. 1 root root 254 May 3 2017 ifcfg-lo
    lrwxrwxrwx. 1 root root 24 Mar 17 11:08 ifdown -> ../../../usr/sbin/ifdown
    -rwxr-xr-x. 1 root root 654 May 3 2017 ifdown-bnep
    -rwxr-xr-x. 1 root root 6571 May 3 2017 ifdown-eth
    -rwxr-xr-x. 1 root root 781 May 3 2017 ifdown-ippp
    -rwxr-xr-x. 1 root root 4540 May 3 2017 ifdown-ipv6
    lrwxrwxrwx. 1 root root 11 Mar 17 11:08 ifdown-isdn -> ifdown-ippp
    -rwxr-xr-x. 1 root root 1768 May 3 2017 ifdown-post
    -rwxr-xr-x. 1 root root 1068 May 3 2017 ifdown-ppp
    -rwxr-xr-x. 1 root root 870 May 3 2017 ifdown-routes
    -rwxr-xr-x. 1 root root 1456 May 3 2017 ifdown-sit
    -rwxr-xr-x. 1 root root 1621 Aug 3 2017 ifdown-Team
    -rwxr-xr-x. 1 root root 1556 Apr 15 2016 ifdown-TeamPort
    -rwxr-xr-x. 1 root root 1462 May 3 2017 ifdown-tunnel
    lrwxrwxrwx. 1 root root 22 Mar 17 11:08 ifup -> ../../../usr/sbin/ifup
    -rwxr-xr-x. 1 root root 12312 May 3 2017 ifup-aliases
    -rwxr-xr-x. 1 root root 910 May 3 2017 ifup-bnep
    -rwxr-xr-x. 1 root root 12680 May 3 2017 ifup-eth
    -rwxr-xr-x. 1 root root 12075 May 3 2017 ifup-ippp
    -rwxr-xr-x. 1 root root 11893 May 3 2017 ifup-ipv6
    lrwxrwxrwx. 1 root root 9 Mar 17 11:08 ifup-isdn -> ifup-ippp
    -rwxr-xr-x. 1 root root 650 May 3 2017 ifup-plip
    -rwxr-xr-x. 1 root root 1064 May 3 2017 ifup-plusb
    -rwxr-xr-x. 1 root root 3433 May 3 2017 ifup-post
    -rwxr-xr-x. 1 root root 4154 May 3 2017 ifup-ppp
    -rwxr-xr-x. 1 root root 2001 May 3 2017 ifup-routes
    -rwxr-xr-x. 1 root root 3303 May 3 2017 ifup-sit
    -rwxr-xr-x. 1 root root 1755 Apr 15 2016 ifup-Team
    -rwxr-xr-x. 1 root root 1876 Apr 15 2016 ifup-TeamPort
    -rwxr-xr-x. 1 root root 2711 May 3 2017 ifup-tunnel
    -rwxr-xr-x. 1 root root 1836 May 3 2017 ifup-wireless
    -rwxr-xr-x. 1 root root 5419 May 3 2017 init.ipv6-global
    -rw-r--r--. 1 root root 18919 May 3 2017 network-functions
    -rw-r--r--. 1 root root 31027 May 3 2017 network-functions-ipv6

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ls
    ifcfg-eth0 ifdown-ippp ifdown-TeamPort ifup-isdn ifup-TeamPort
    ifcfg-eth1 ifdown-ipv6 ifdown-tunnel ifup-plip ifup-tunnel
    ifcfg-eth1-1 ifdown-isdn ifup ifup-plusb ifup-wireless
    ifcfg-eth1-2 ifdown-post ifup-aliases ifup-post init.ipv6-global
    ifcfg-lo ifdown-ppp ifup-bnep ifup-ppp network-functions
    ifdown ifdown-routes ifup-eth ifup-routes network-functions-ipv6
    ifdown-bnep ifdown-sit ifup-ippp ifup-sit
    ifdown-eth ifdown-Team ifup-ipv6 ifup-Team

    [root@ansible01:/etc/sysconfig/network-scripts]
    > cat ifcfg-eth1
    TYPE=Ethernet
    PROXY_METHOD=none
    BROWSER_ONLY=no
    BOOTPROTO=dhcp
    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=0a2027d8-54d5-4b95-a682-a9286c6bd692
    DEVICE=eth1
    ONBOOT=yes

    [root@ansible01:/etc/sysconfig/network-scripts]
    > cat ifcfg-eth1-
    ifcfg-eth1-1 ifcfg-eth1-2

    [root@ansible01:/etc/sysconfig/network-scripts]
    > cat ifcfg-eth1-1
    TYPE=Ethernet
    PROXY_METHOD=none
    BROWSER_ONLY=no
    BOOTPROTO=none
    IPADDR=192.168.31.28
    PREFIX=24
    GATEWAY=192.168.0.254
    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=3e4a4167-05da-4d2f-a763-6ba29f9622d2
    DEVICE=eth1
    ONBOOT=yes

    [root@ansible01:/etc/sysconfig/network-scripts]
    > cat ifcfg-eth1-2
    TYPE=Ethernet
    PROXY_METHOD=none
    BROWSER_ONLY=no
    BOOTPROTO=none
    IPADDR=192.168.31.28
    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=f2cafb9f-1571-4df2-90e7-0d5178a03184
    DEVICE=eth1
    ONBOOT=yes

    [root@ansible01:/etc/sysconfig/network-scripts]
    >

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ls
    ifcfg-eth0 ifdown-ippp ifdown-TeamPort ifup-isdn ifup-TeamPort
    ifcfg-eth1 ifdown-ipv6 ifdown-tunnel ifup-plip ifup-tunnel
    ifcfg-eth1-1 ifdown-isdn ifup ifup-plusb ifup-wireless
    ifcfg-eth1-2 ifdown-post ifup-aliases ifup-post init.ipv6-global
    ifcfg-lo ifdown-ppp ifup-bnep ifup-ppp network-functions
    ifdown ifdown-routes ifup-eth ifup-routes network-functions-ipv6
    ifdown-bnep ifdown-sit ifup-ippp ifup-sit
    ifdown-eth ifdown-Team ifup-ipv6 ifup-Team

    [root@ansible01:/etc/sysconfig/network-scripts]
    > rm -rf ifcfg-eth1-2

    [root@ansible01:/etc/sysconfig/network-scripts]
    >

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ls -l
    total 232
    -rw-r--r--. 1 root root 139 Mar 17 13:02 ifcfg-eth0
    -rw-r--r-- 1 root root 278 Mar 20 16:38 ifcfg-eth1
    -rw-r--r-- 1 root root 331 Mar 20 16:41 ifcfg-eth1-1
    -rw-r--r--. 1 root root 254 May 3 2017 ifcfg-lo
    lrwxrwxrwx. 1 root root 24 Mar 17 11:08 ifdown -> ../../../usr/sbin/ifdown
    -rwxr-xr-x. 1 root root 654 May 3 2017 ifdown-bnep
    -rwxr-xr-x. 1 root root 6571 May 3 2017 ifdown-eth
    -rwxr-xr-x. 1 root root 781 May 3 2017 ifdown-ippp
    -rwxr-xr-x. 1 root root 4540 May 3 2017 ifdown-ipv6
    lrwxrwxrwx. 1 root root 11 Mar 17 11:08 ifdown-isdn -> ifdown-ippp
    -rwxr-xr-x. 1 root root 1768 May 3 2017 ifdown-post
    -rwxr-xr-x. 1 root root 1068 May 3 2017 ifdown-ppp
    -rwxr-xr-x. 1 root root 870 May 3 2017 ifdown-routes
    -rwxr-xr-x. 1 root root 1456 May 3 2017 ifdown-sit
    -rwxr-xr-x. 1 root root 1621 Aug 3 2017 ifdown-Team
    -rwxr-xr-x. 1 root root 1556 Apr 15 2016 ifdown-TeamPort
    -rwxr-xr-x. 1 root root 1462 May 3 2017 ifdown-tunnel
    lrwxrwxrwx. 1 root root 22 Mar 17 11:08 ifup -> ../../../usr/sbin/ifup
    -rwxr-xr-x. 1 root root 12312 May 3 2017 ifup-aliases
    -rwxr-xr-x. 1 root root 910 May 3 2017 ifup-bnep
    -rwxr-xr-x. 1 root root 12680 May 3 2017 ifup-eth
    -rwxr-xr-x. 1 root root 12075 May 3 2017 ifup-ippp
    -rwxr-xr-x. 1 root root 11893 May 3 2017 ifup-ipv6
    lrwxrwxrwx. 1 root root 9 Mar 17 11:08 ifup-isdn -> ifup-ippp
    -rwxr-xr-x. 1 root root 650 May 3 2017 ifup-plip
    -rwxr-xr-x. 1 root root 1064 May 3 2017 ifup-plusb
    -rwxr-xr-x. 1 root root 3433 May 3 2017 ifup-post
    -rwxr-xr-x. 1 root root 4154 May 3 2017 ifup-ppp
    -rwxr-xr-x. 1 root root 2001 May 3 2017 ifup-routes
    -rwxr-xr-x. 1 root root 3303 May 3 2017 ifup-sit
    -rwxr-xr-x. 1 root root 1755 Apr 15 2016 ifup-Team
    -rwxr-xr-x. 1 root root 1876 Apr 15 2016 ifup-TeamPort
    -rwxr-xr-x. 1 root root 2711 May 3 2017 ifup-tunnel
    -rwxr-xr-x. 1 root root 1836 May 3 2017 ifup-wireless
    -rwxr-xr-x. 1 root root 5419 May 3 2017 init.ipv6-global
    -rw-r--r--. 1 root root 18919 May 3 2017 network-functions
    -rw-r--r--. 1 root root 31027 May 3 2017 network-functions-ipv6

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ls
    ifcfg-eth0 ifdown-ipv6 ifdown-tunnel ifup-plip ifup-tunnel
    ifcfg-eth1 ifdown-isdn ifup ifup-plusb ifup-wireless
    ifcfg-eth1-1 ifdown-post ifup-aliases ifup-post init.ipv6-global
    ifcfg-lo ifdown-ppp ifup-bnep ifup-ppp network-functions
    ifdown ifdown-routes ifup-eth ifup-routes network-functions-ipv6
    ifdown-bnep ifdown-sit ifup-ippp ifup-sit
    ifdown-eth ifdown-Team ifup-ipv6 ifup-Team
    ifdown-ippp ifdown-TeamPort ifup-isdn ifup-TeamPort

    [root@ansible01:/etc/sysconfig/network-scripts]
    > cat ifcfg-eth1-1
    TYPE=Ethernet
    PROXY_METHOD=none
    BROWSER_ONLY=no
    BOOTPROTO=none
    IPADDR=192.168.31.28
    PREFIX=24
    GATEWAY=192.168.0.254
    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=3e4a4167-05da-4d2f-a763-6ba29f9622d2
    DEVICE=eth1
    ONBOOT=yes

    [root@ansible01:/etc/sysconfig/network-scripts]
    > systemctl restart network.service

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ip addr
    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:29:3c:8f:bd brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.176/24 brd 192.168.31.255 scope global eth0
    valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe3c:8fbd/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:29:3c:8f:c7 brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.170/24 brd 192.168.31.255 scope global dynamic eth1
    valid_lft 21596sec preferred_lft 21596sec
    inet6 fe80::3cd8:c358:5fda:8c76/64 scope link
    valid_lft forever preferred_lft forever

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ls
    ifcfg-eth0 ifdown-ipv6 ifdown-tunnel ifup-plip ifup-tunnel
    ifcfg-eth1 ifdown-isdn ifup ifup-plusb ifup-wireless
    ifcfg-eth1-1 ifdown-post ifup-aliases ifup-post init.ipv6-global
    ifcfg-lo ifdown-ppp ifup-bnep ifup-ppp network-functions
    ifdown ifdown-routes ifup-eth ifup-routes network-functions-ipv6
    ifdown-bnep ifdown-sit ifup-ippp ifup-sit
    ifdown-eth ifdown-Team ifup-ipv6 ifup-Team
    ifdown-ippp ifdown-TeamPort ifup-isdn ifup-TeamPort

    [root@ansible01:/etc/sysconfig/network-scripts]
    > nmcli connection show
    NAME UUID TYPE DEVICE
    System eth0 5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 802-3-ethernet eth0
    eth1 0a2027d8-54d5-4b95-a682-a9286c6bd692 802-3-ethernet eth1
    Wired connection 1 ecc6ad4a-104f-3712-bf25-783532c6ef6a 802-3-ethernet --
    eth1 3e4a4167-05da-4d2f-a763-6ba29f9622d2 802-3-ethernet --

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ls
    ifcfg-eth0 ifdown-ipv6 ifdown-tunnel ifup-plip ifup-tunnel
    ifcfg-eth1 ifdown-isdn ifup ifup-plusb ifup-wireless
    ifcfg-eth1-1 ifdown-post ifup-aliases ifup-post init.ipv6-global
    ifcfg-lo ifdown-ppp ifup-bnep ifup-ppp network-functions
    ifdown ifdown-routes ifup-eth ifup-routes network-functions-ipv6
    ifdown-bnep ifdown-sit ifup-ippp ifup-sit
    ifdown-eth ifdown-Team ifup-ipv6 ifup-Team
    ifdown-ippp ifdown-TeamPort ifup-isdn ifup-TeamPort

    [root@ansible01:/etc/sysconfig/network-scripts]
    > cat ifcfg-eth1-1
    TYPE=Ethernet
    PROXY_METHOD=none
    OWSER_ONLY=no
    ▽OOTPROTO=none
    IPADDR=192.168.31.28
    PREFIX=24
    GATEWAY=192.168.0.254
    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=3e4a4167-05da-4d2f-a763-6ba29f9622d2
    DEVICE=eth1
    ONBOOT=yes

    [root@ansible01:/etc/sysconfig/network-scripts]
    > vim ifcfg-eth1-1
    1 TYPE=Ethernet
    2 PROXY_METHOD=none
    3 BROWSER_ONLY=no
    4 BOOTPROTO=man
    5 IPADDR=192.168.31.28
    6 PREFIX=24
    7 GATEWAY=192.168.0.254
    8 DEFROUTE=yes
    9 IPV4_FAILURE_FATAL=no
    10 IPV6INIT=yes
    11 IPV6_AUTOCONF=yes
    12 IPV6_DEFROUTE=yes
    13 IPV6_FAILURE_FATAL=no
    14 IPV6_ADDR_GEN_MODE=stable-privacy
    15 NAME=eth1
    16 UUID=3e4a4167-05da-4d2f-a763-6ba29f9622d2
    17 DEVICE=eth1
    18 ONBOOT=yes
    ifcfg-eth1-1 [+] 4,14 All
    -- INSERT --
    2 PROXY_METHOD=none
    3 BROWSER_ONLY=no
    4 BOOTPROTO=manual
    5 IPADDR=192.168.31.28
    6 PREFIX=24
    7 GATEWAY=192.168.0.254
    8 DEFROUTE=yes
    9 IPV4_FAILURE_FATAL=no
    10 IPV6INIT=yes
    11 IPV6_AUTOCONF=yes
    12 IPV6_DEFROUTE=yes
    13 IPV6_FAILURE_FATAL=no
    14 IPV6_ADDR_GEN_MODE=stable-privacy
    15 NAME=eth1
    16 UUID=3e4a4167-05da-4d2f-a763-6ba29f9622d2
    ifcfg-eth1-1 [+] 4,17 33%
    -- INSERT --
    1 TYPE=Ethernet
    2 PROXY_METHOD=none
    3 BROWSER_ONLY=no
    4 BOOTPROTO=manual
    5 IPADDR=192.168.31.28
    6 PREFIX=24
    7 GATEWAY=192.168.0.254
    8 DEFROUTE=yes
    9 IPV4_FAILURE_FATAL=no
    10 IPV6INIT=yes
    11 IPV6_AUTOCONF=yes
    12 IPV6_DEFROUTE=yes
    13 IPV6_FAILURE_FATAL=no
    14 IPV6_ADDR_GEN_MODE=stable-privacy
    15 NAME=eth1
    16 UUID=3e4a4167-05da-4d2f-a763-6ba29f9622d2
    17 DEVICE=eth1
    18 ONBOOT=yes
    ifcfg-eth1-1 [+] 4,16 All
    "ifcfg-eth1-1" 18L, 333C written

    [root@ansible01:/etc/sysconfig/network-scripts]
    > systemctl restart network.service

    [root@ansible01:/etc/sysconfig/network-scripts]
    > 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:29:3c:8f:bd brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.176/24 brd 192.168.31.255 scope global eth0
    valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe3c:8fbd/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:29:3c:8f:c7 brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.170/24 brd 192.168.31.255 scope global dynamic eth1
    valid_lft 86393sec preferred_lft 86393sec
    inet 192.168.31.28/24 brd 192.168.31.255 scope global secondary eth1
    valid_lft forever preferred_lft forever
    inet6 fe80::3cd8:c358:5fda:8c76/64 scope link
    valid_lft forever preferred_lft forever

    [root@ansible01:/etc/sysconfig/network-scripts]
    > rm -rf ifcfg-eth1

    [root@ansible01:/etc/sysconfig/network-scripts]
    > systemctl restart network.service

    [root@ansible01:/etc/sysconfig/network-scripts]
    > 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:29:3c:8f:bd brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.176/24 brd 192.168.31.255 scope global eth0
    valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe3c:8fbd/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:29:3c:8f:c7 brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.170/24 brd 192.168.31.255 scope global dynamic eth1
    valid_lft 86393sec preferred_lft 86393sec
    inet 192.168.31.28/24 brd 192.168.31.255 scope global secondary eth1
    valid_lft forever preferred_lft forever
    inet6 fe80::d712:1936:1554:8b49/64 scope link
    valid_lft forever preferred_lft forever

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ll
    total 228
    -rw-r--r--. 1 root root 139 Mar 17 13:02 ifcfg-eth0
    -rw-r--r-- 1 root root 333 Mar 20 17:04 ifcfg-eth1-1
    -rw-r--r--. 1 root root 254 May 3 2017 ifcfg-lo
    lrwxrwxrwx. 1 root root 24 Mar 17 11:08 ifdown -> ../../../usr/sbin/ifdown
    -rwxr-xr-x. 1 root root 654 May 3 2017 ifdown-bnep
    -rwxr-xr-x. 1 root root 6571 May 3 2017 ifdown-eth
    -rwxr-xr-x. 1 root root 781 May 3 2017 ifdown-ippp
    -rwxr-xr-x. 1 root root 4540 May 3 2017 ifdown-ipv6
    lrwxrwxrwx. 1 root root 11 Mar 17 11:08 ifdown-isdn -> ifdown-ippp
    -rwxr-xr-x. 1 root root 1768 May 3 2017 ifdown-post
    -rwxr-xr-x. 1 root root 1068 May 3 2017 ifdown-ppp
    -rwxr-xr-x. 1 root root 870 May 3 2017 ifdown-routes
    -rwxr-xr-x. 1 root root 1456 May 3 2017 ifdown-sit
    -rwxr-xr-x. 1 root root 1621 Aug 3 2017 ifdown-Team
    -rwxr-xr-x. 1 root root 1556 Apr 15 2016 ifdown-TeamPort
    -rwxr-xr-x. 1 root root 1462 May 3 2017 ifdown-tunnel
    lrwxrwxrwx. 1 root root 22 Mar 17 11:08 ifup -> ../../../usr/sbin/ifup
    -rwxr-xr-x. 1 root root 12312 May 3 2017 ifup-aliases
    -rwxr-xr-x. 1 root root 910 May 3 2017 ifup-bnep
    -rwxr-xr-x. 1 root root 12680 May 3 2017 ifup-eth
    -rwxr-xr-x. 1 root root 12075 May 3 2017 ifup-ippp
    -rwxr-xr-x. 1 root root 11893 May 3 2017 ifup-ipv6
    lrwxrwxrwx. 1 root root 9 Mar 17 11:08 ifup-isdn -> ifup-ippp
    -rwxr-xr-x. 1 root root 650 May 3 2017 ifup-plip
    -rwxr-xr-x. 1 root root 1064 May 3 2017 ifup-plusb
    -rwxr-xr-x. 1 root root 3433 May 3 2017 ifup-post
    -rwxr-xr-x. 1 root root 4154 May 3 2017 ifup-ppp
    -rwxr-xr-x. 1 root root 2001 May 3 2017 ifup-routes
    -rwxr-xr-x. 1 root root 3303 May 3 2017 ifup-sit
    -rwxr-xr-x. 1 root root 1755 Apr 15 2016 ifup-Team
    -rwxr-xr-x. 1 root root 1876 Apr 15 2016 ifup-TeamPort
    -rwxr-xr-x. 1 root root 2711 May 3 2017 ifup-tunnel
    -rwxr-xr-x. 1 root root 1836 May 3 2017 ifup-wireless
    -rwxr-xr-x. 1 root root 5419 May 3 2017 init.ipv6-global
    -rw-r--r--. 1 root root 18919 May 3 2017 network-functions
    -rw-r--r--. 1 root root 31027 May 3 2017 network-functions-ipv6

    [root@ansible01:/etc/sysconfig/network-scripts]
    > systemctl restart network.service

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ifconfig
    eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
    inet 192.168.31.176 netmask 255.255.255.0 broadcast 192.168.31.255
    inet6 fe80::20c:29ff:fe3c:8fbd prefixlen 64 scopeid 0x20<link>
    ether 00:0c:29:3c:8f:bd txqueuelen 1000 (Ethernet)
    RX packets 29925 bytes 2164788 (2.0 MiB)
    RX errors 0 dropped 35 overruns 0 frame 0
    TX packets 4155 bytes 481152 (469.8 KiB)
    TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

    eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
    inet 192.168.31.28 netmask 255.255.255.0 broadcast 192.168.31.255
    inet6 fe80::20c:29ff:fe3c:8fc7 prefixlen 64 scopeid 0x20<link>
    ether 00:0c:29:3c:8f:c7 txqueuelen 1000 (Ethernet)
    RX packets 17 bytes 1342 (1.3 KiB)
    RX errors 0 dropped 1 overruns 0 frame 0
    TX packets 24 bytes 1988 (1.9 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 12 bytes 1404 (1.3 KiB)
    RX errors 0 dropped 0 overruns 0 frame 0
    TX packets 12 bytes 1404 (1.3 KiB)
    TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0


    [root@ansible01:/etc/sysconfig/network-scripts]
    > ls
    ifcfg-eth0 ifdown-ippp ifdown-sit ifup-bnep ifup-plusb ifup-TeamPort
    ifcfg-eth1-1 ifdown-ipv6 ifdown-Team ifup-eth ifup-post ifup-tunnel
    ifcfg-lo ifdown-isdn ifdown-TeamPort ifup-ippp ifup-ppp ifup-wireless
    ifdown ifdown-post ifdown-tunnel ifup-ipv6 ifup-routes init.ipv6-global
    ifdown-bnep ifdown-ppp ifup ifup-isdn ifup-sit network-functions
    ifdown-eth ifdown-routes ifup-aliases ifup-plip ifup-Team network-functions-ipv6

    [root@ansible01:/etc/sysconfig/network-scripts]
    > mv ifcfg-eth1-1 ifcfg-eth1

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ls
    ifcfg-eth0 ifdown-ippp ifdown-sit ifup-bnep ifup-plusb ifup-TeamPort
    ifcfg-eth1 ifdown-ipv6 ifdown-Team ifup-eth ifup-post ifup-tunnel
    ifcfg-lo ifdown-isdn ifdown-TeamPort ifup-ippp ifup-ppp ifup-wireless
    ifdown ifdown-post ifdown-tunnel ifup-ipv6 ifup-routes init.ipv6-global
    ifdown-bnep ifdown-ppp ifup ifup-isdn ifup-sit network-functions
    ifdown-eth ifdown-routes ifup-aliases ifup-plip ifup-Team network-functions-ipv6

    [root@ansible01:/etc/sysconfig/network-scripts]
    > systemctl restart network.service

    [root@ansible01:/etc/sysconfig/network-scripts]
    > ifconfig
    eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
    inet 192.168.31.176 netmask 255.255.255.0 broadcast 192.168.31.255
    inet6 fe80::20c:29ff:fe3c:8fbd prefixlen 64 scopeid 0x20<link>
    ether 00:0c:29:3c:8f:bd txqueuelen 1000 (Ethernet)
    RX packets 30006 bytes 2169700 (2.0 MiB)
    RX errors 0 dropped 43 overruns 0 frame 0
    TX packets 4174 bytes 482482 (471.1 KiB)
    TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

    eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
    inet 192.168.31.28 netmask 255.255.255.0 broadcast 192.168.31.255
    inet6 fe80::20c:29ff:fe3c:8fc7 prefixlen 64 scopeid 0x20<link>
    ether 00:0c:29:3c:8f:c7 txqueuelen 1000 (Ethernet)
    RX packets 29 bytes 2062 (2.0 KiB)
    RX errors 0 dropped 1 overruns 0 frame 0
    TX packets 25 bytes 2002 (1.9 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 12 bytes 1404 (1.3 KiB)
    RX errors 0 dropped 0 overruns 0 frame 0
    TX packets 12 bytes 1404 (1.3 KiB)
    TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

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  • 原文地址:https://www.cnblogs.com/liweiming/p/10565802.html
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