ip addr查看本地的网段
[root@localhost ~]$ ip addr 1: lo:mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 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: ens33: mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether 00:0c:29:5c:33:98 brd ff:ff:ff:ff:ff:ff inet 192.168.126.180/24 brd 192.168.126.255 scope global noprefixroute dynamic ens33
主要看ens33配置
编辑网卡文件
vim /etc/sysconfig/network-scripts/ifcfg-ens33
#dhcp改为static BOOTPROTO="static" #开机启用本配置 ONBOOT="yes" #静态IP IPADDR=192.168.126.156 #默认网关 GATEWAY=192.168.126.255 #子网掩码 NETMASK=255.255.255.0
重启网卡
service network restart



