ip config linux

Linux中ipconfig与route命令的基本使用教程

在Linux系统中,ipconfig和route命令是网络配置和管理的基本工具,本文将详细介绍这两个命令的基本用法,帮助大家更好地理解和掌握Linux网络配置。

ip config linux

ipconfig命令

1、查看网络接口信息

ipconfig命令可以显示当前系统的所有网络接口信息,包括IP地址、子网掩码、默认网关等,使用以下命令查看网络接口信息:

ipconfig

输出示例:

eth0     255.255.255.0    static     192.168.1.100  192.168.1.1
eth1     255.255.255.0    dynamic     192.168.1.101  192.168.1.1
lo              64          loopback      127.0.0.1      8.8.8.8

从输出结果中,我们可以看到本机的两个网络接口(eth0和eth1)及其对应的IP地址、子网掩码和默认网关,eth0为静态IP,而eth1为动态IP。

2、配置IP地址和子网掩码

ipconfig命令还可以用来配置网络接口的IP地址和子网掩码,使用以下命令配置eth0接口的IP地址和子网掩码:

ip config linux

sudo ifconfig eth0 192.168.1.100 netmask 255.255.255.0

3、查看路由表

ipconfig命令还可以通过添加参数来查看路由表信息,使用以下命令查看路由表:

ipconfig route show

输出示例:

Gateway        Metric Ref   Use Iface           Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric       Ref   Use Iface          Flags       MTU       Metric

route命令

1、添加路由表项

route命令可以用来添加路由表项,实现不同网络之间的通信,使用以下命令添加一条到达目标网络(例如192.168.2.0/24)的路由表项:

sudo route add default via 192.168.1.1 dev eth0 metric 100

default表示下一跳地址,via表示通过哪个网络接口发送数据包,dev表示使用的网络接口,metric表示优先级,这条路由表项表示所有目的地地址为192.168.2.0/24的数据包都通过eth0接口发送,并设置了优先级为100。

ip config linux

2、删除路由表项

route命令还可以用来删除路由表项,使用以下命令删除刚刚添加的那条路由表项:

sudo route del default via 192.168.1.1 dev eth0 metric 100

3、查看路由表项列表

route命令还可以查看当前的路由表项列表,使用以下命令查看路由表:

route show table main cached | grep default via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric | grep dev | grep via | grep metric +-----+-----+--------+-----+------+-----+-------+-----+-------+-----+-------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+-------+-----+-------+-----+-------+-----+-------+-----+-------+-----+-------+-----+-------+-----+-------+-----+-------+-----+-------+-----+-------+-----+-------+-----+-------+-----+-------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+--------+-----+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------->|    ref    |<|iface|>|metric|>|nexthop|>|flags|>|mtu|>|metric|>|ref|>|iface|>|flags|>|mtu|>|metric|>|ref|>|iface|>|flags|>|mtu|>|metric|>|ref|>|iface|>|flags|>|mtu|>|metric|>|ref|>|iface|>|flags|>|mtu|>|metric|>|ref|>|iface|>|flags|>|mtu|>|metric|>|ref|>|iface|>|flags

原创文章,作者:K-seo,如若转载,请注明出处:https://www.kdun.cn/ask/189279.html

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