CentOs7 开启网络连接

最新推荐文章于 2025-06-27 10:13:45 发布

征服.刘华强

最新推荐文章于 2025-06-27 10:13:45 发布

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本文详细介绍了使用ifconfig命令查看和配置Linux系统的网络接口的方法。包括eno16777736接口的IP地址、子网掩码、MAC地址等信息，并提供了ifup和ifdown命令启动和关闭网络接口的操作示例。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

输入ifconfig

root@localhost ~]# ifconfig

eno16777736: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.18 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::20c:29ff:fec0:cd5a prefixlen 64 scopeid 0x20<link>
ether 00:0c:29:c0:cd:5a txqueuelen 1000 (Ethernet)
RX packets 263728 bytes 378939837 (361.3 MiB)
RX errors 0 dropped 3 overruns 0 frame 0
TX packets 140985 bytes 8786382 (8.3 MiB)
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 0 (Local Loopback)
RX packets 16888 bytes 1438004 (1.3 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 16888 bytes 1438004 (1.3 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

virbr0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255
ether 00:00:00:00:00:00 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

virbr0-nic: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 52:54:00:fe:a6:53 txqueuelen 500 (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

eno16777736 这个名字就是网络连接，其它的干什么的暂时还不知道。

ifup eno16777736 连接网络

ifdown eno16777736 关闭网络

图形界面就在这里开关。