ip命令式用来配置网卡ip信息的命令,且是未来的趋势,重启网卡后IP失效
ip常见命令参数
- Usage: ip [ OPTIONS ] OBJECT { COMMAND | help }
- ip [ -force ] -batch filename
- where OBJECT := { link | addr | addrlabel | route | rule | neigh | ntable |
- tunnel | maddr | mroute | mrule | monitor | xfrm }
- OPTIONS := { -V[ersion] | -s[tatistics] | -d[etails] | -r[esolve] |
- -f[amily] { inet | inet6 | ipx | dnet | link } |
- -o[neline] | -t[imestamp] | -b[atch] [filename] |
- -rc[vbuf] [size]}
ip addr 常见命令参数
- Usage: ip addr {add|change|replace} IFADDR dev STRING [ LIFETIME ]
- [ CONFFLAG-LIST]
- ip addr del IFADDR dev STRING
- ip addr {show|flush} [ dev STRING ] [ scope SCOPE-ID ]
- [ to PREFIX ] [ FLAG-LIST ] [ label PATTERN ]
- IFADDR := PREFIX | ADDR peer PREFIX
- [ broadcast ADDR ] [ anycast ADDR ]
- [ label STRING ] [ scope SCOPE-ID ]
- SCOPE-ID := [ host | link | global | NUMBER ]
- FLAG-LIST := [ FLAG-LIST ] FLAG
- FLAG := [ permanent | dynamic | secondary | primary |
- tentative | deprecated | CONFFLAG-LIST ]
- CONFFLAG-LIST := [ CONFFLAG-LIST ] CONFFLAG
- CONFFLAG := [ home | nodad ]
- LIFETIME := [ valid_lft LFT ] [ preferred_lft LFT ]
- LFT := forever | SECONDS
常用的命令展示
为网卡配置和删除IPv4地址 【临时生效,永久生效需要更改配置文件】
eth2网卡配置文件: /etc/sysconfig/network-scripts/ifcfg-eth2
[root@localhost ~]# ip addr add 192.168.25.166/24 dev eth0
[root@localhost ~]# ifconfig eth0 192.168.25.166 netmask 255.255.255.0 up 【效果同上】
[root@localhost ~]# ifconfig eth0 192.168.25.166/24 up 【效果同上】
[root@localhost ~]# ip addr add 192.168.25.166/24 dev eth0:ws
[root@localhost ~]# ifconfig eth0:ws 192.168.25.166/24 up 【效果同上】
[root@localhost ~]# ifconfig eth0:ws 192.168.25.166 netmask 255.255.255.0 up 【效果同上】
[root@localhost ~]# ip addr del 192.168.25.166/24 dev eth0:ws
[root@localhost ~]# ifconfig eth0:ws 192.168.25.166 netmask 255.255.255.0 down 【效果同上】
[root@localhost ~]# ifconfig eth0:ws 192.168.25.166/24 dwon 【效果同上】