ubuntu 16.04 IP修改静态后,旧IP依然生效问题

把原来的静态IP从150改成151后,执行/etc/init.d/networking restart 后,150和151同时生效了。如下ens33,151IP变成secondary

sip@ubuntu:~$ ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 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: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 00:0c:29:c7:d7:62 brd ff:ff:ff:ff:ff:ff
    inet 192.168.2.150/24 brd 192.168.2.255 scope global ens33
       valid_lft forever preferred_lft forever
    inet 192.168.2.151/24 brd 192.168.2.255 scope global secondary ens33
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fec7:d762/64 scope link 
       valid_lft forever preferred_lft forever

一种方法是重启系统

另一种方法

ip addr flush dev ens33
ifdown ens33
ifup ens33

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转载自blog.csdn.net/ssj901217/article/details/78215184
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