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ip命令详解linux,Linux ip命令详解

ip addr {add|change|replace} ifaddr dev string [ lifetime ]

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】

2d49be3857def22f349f57e7942b2e95.png

[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】

087fd3479bfe0099699547b5ddcc3489.png

[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】

2743b4fc879fbd7f45714c3075619406.png

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