CentOS7修改網卡DHCP獲取IP為靜態IP

1.修改網卡配置

[root@centos7 ~]#cd /etc/sysconfig/network-scripts/

[root@centos7 network-scripts]#vi ifcfg-eth0

TYPE=Ethernet

PROXY_METHOD=none

BROWSER_ONLY=no

BOOTPROTO=static?????? #修改為static

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=eth0

UUID=048802a8-f20c-4c19-902a-e326b3a69686

DEVICE=eth0

ONBOOT=yes????????? ? ? ? ? ? ? #修改網卡隨系統自啟動

IPADDR=192.168.155.10????? #修改為指定IP

NETMASK=255.255.255.0??? #掩碼

GATEWAY=192.168.155.1 ?? #網關

2.重啟網卡服務

[root@centos7 network-scripts]# systemctl restart network

3.驗證網卡IP

重啟后，重新連接查看網卡信息

[root@centos7 ~]# ifconfig

eth0: flags=4163? mtu 1500

inet 192.168.155.10? netmask 255.255.255.0? broadcast 192.168.155.255

inet6 fe80::8453:5a1:debb:b9d5? prefixlen 64? scopeid 0x20

ether 00:0c:29:c4:34:bd? txqueuelen 1000? (Ethernet)

RX packets 1093? bytes 96517 (94.2 KiB)

RX errors 0? dropped 0? overruns 0? frame 0

TX packets 706? bytes 100054 (97.7 KiB)

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 1? (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 52:54:00:1a:02:e7? txqueuelen 1000? (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

[root@centos7 ~]#

總結

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