不能获取IP地址而且可以重启网卡设置的修复方式

其中之一的方法,操作环境:虚拟机,桥接模式

操作步骤

     vi /etc/sysconfig/network-scripts/ifcfg-eno16777736 
     systemctl restart network
     nmcli device show eno16777736 
     systemctl restart network
     nmcli device show eno16777736 

     history

 

具体操作步骤:


[lchorum@localhost Desktop]$ ifconfig 
eno16777736: flags=4163  mtu 1500
        ether 00:0c:29:f7:d0:25  txqueuelen 1000  (Ethernet)
        RX packets 7349  bytes 622672 (608.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


lo: flags=73  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10
        loop  txqueuelen 0  (Local Loopback)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


virbr0: flags=4099  mtu 1500
        inet 192.168.122.1  netmask 255.255.255.0  broadcast 192.168.122.255
        ether 52:54:00:71:48:83  txqueuelen 0  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


[lchorum@localhost Desktop]$ ifconfig 
eno16777736: flags=4163  mtu 1500
        ether 00:0c:29:f7:d0:25  txqueuelen 1000  (Ethernet)
        RX packets 8641  bytes 731923 (714.7 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


lo: flags=73  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10
        loop  txqueuelen 0  (Local Loopback)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


virbr0: flags=4099  mtu 1500
        inet 192.168.122.1  netmask 255.255.255.0  broadcast 192.168.122.255
        ether 52:54:00:71:48:83  txqueuelen 0  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


[lchorum@localhost Desktop]$ 
[lchorum@localhost Desktop]$ 
[lchorum@localhost Desktop]$ 
[lchorum@localhost Desktop]$ 
[lchorum@localhost Desktop]$ 
[lchorum@localhost Desktop]$ ifconfig
eno16777736: flags=4163  mtu 1500
        ether 00:0c:29:f7:d0:25  txqueuelen 1000  (Ethernet)
        RX packets 9313  bytes 781482 (763.1 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


lo: flags=73  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10
        loop  txqueuelen 0  (Local Loopback)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


virbr0: flags=4099  mtu 1500
        inet 192.168.122.1  netmask 255.255.255.0  broadcast 192.168.122.255
        ether 52:54:00:71:48:83  txqueuelen 0  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


[lchorum@localhost Desktop]$ systemctl restart network
[lchorum@localhost Desktop]$ ifconfig
eno16777736: flags=4163  mtu 1500
        ether 00:0c:29:f7:d0:25  txqueuelen 1000  (Ethernet)
        RX packets 9550  bytes 806568 (787.6 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


lo: flags=73  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10
        loop  txqueuelen 0  (Local Loopback)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


virbr0: flags=4099  mtu 1500
        inet 192.168.122.1  netmask 255.255.255.0  broadcast 192.168.122.255
        ether 52:54:00:71:48:83  txqueuelen 0  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


[lchorum@localhost Desktop]$ nmcli device show eno16777736 n
Error: invalid extra argument 'n'.
[lchorum@localhost Desktop]$ nmcli device show eno16777736 
GENERAL.DEVICE:                         eno16777736
GENERAL.TYPE:                           ethernet
GENERAL.HWADDR:                         00:0C:29:F7:D0:25
GENERAL.MTU:                            1500
GENERAL.STATE:                          30 (disconnected)
GENERAL.CONNECTION:                     --
GENERAL.CON-PATH:                       --



[root@localhost Desktop]# vi /etc/sysconfig/network-scripts/ifcfg-eno16777736 
[root@localhost Desktop]# systemctl restart network
[root@localhost Desktop]# nmcli device show eno16777736 
GENERAL.DEVICE:                         eno16777736
GENERAL.TYPE:                           ethernet
GENERAL.HWADDR:                         00:0C:29:F7:D0:25
GENERAL.MTU:                            1500
GENERAL.STATE:                          100 (connected)
GENERAL.CONNECTION:                     eno16777736
GENERAL.CON-PATH:                       /org/freedesktop/NetworkManager/ActiveConnection/3
WIRED-PROPERTIES.CARRIER:               on
IP4.ADDRESS[1]:                         192.168.139.128/24
IP4.GATEWAY:                            192.168.139.2
IP4.DNS[1]:                             192.168.139.2
IP4.DOMAIN[1]:                          localdomain
IP6.ADDRESS[1]:                         fe80::20c:29ff:fef7:d025/64
IP6.GATEWAY:                            
[root@localhost Desktop]# nmcli device show eno16777736 
GENERAL.DEVICE:                         eno16777736
GENERAL.TYPE:                           ethernet
GENERAL.HWADDR:                         00:0C:29:F7:D0:25
GENERAL.MTU:                            1500
GENERAL.STATE:                          100 (connected)
GENERAL.CONNECTION:                     eno16777736
GENERAL.CON-PATH:                       /org/freedesktop/NetworkManager/ActiveConnection/3
WIRED-PROPERTIES.CARRIER:               off
IP4.ADDRESS[1]:                         192.168.139.128/24
IP4.GATEWAY:                            192.168.139.2
IP4.DNS[1]:                             192.168.139.2
IP4.DOMAIN[1]:                          localdomain
IP6.ADDRESS[1]:                         fe80::20c:29ff:fef7:d025/64
IP6.GATEWAY:                            
[root@localhost Desktop]# systemctl restart network
[root@localhost Desktop]# nmcli device show eno16777736 
GENERAL.DEVICE:                         eno16777736
GENERAL.TYPE:                           ethernet
GENERAL.HWADDR:                         00:0C:29:F7:D0:25
GENERAL.MTU:                            1500
GENERAL.STATE:                          100 (connected)
GENERAL.CONNECTION:                     eno16777736
GENERAL.CON-PATH:                       /org/freedesktop/NetworkManager/ActiveConnection/4
WIRED-PROPERTIES.CARRIER:               on
IP4.ADDRESS[1]:                         192.168.1.216/24
IP4.GATEWAY:                            192.168.1.254
IP4.DNS[1]:                             210.21.4.130
IP4.DNS[2]:                             221.5.88.88
IP6.ADDRESS[1]:                         fe80::20c:29ff:fef7:d025/64
IP6.GATEWAY:   

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