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654 个Linux命令
ip命令用来显示或操纵Linux主机的路由、网络设备、策略路由和隧道,是Linux下较新的功能强大的网络配置工具。
ip(选项)(参数)
-V:显示指令版本信息;
-s:输出更详细的信息;
-f:强制使用指定的协议族;
-4:指定使用的网络层协议是IPv4协议;
-6:指定使用的网络层协议是IPv6协议;
-0:输出信息每条记录输出一行,即使内容较多也不换行显示;
-r:显示主机时,不使用IP地址,而使用主机的域名。
[root@localhost ~]# ip link list
1: lo: mtu 16436 qdisc noqueue
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: mtu 1500 qdisc pfifo_fast qlen 1000
link/ether 00:16:3e:00:1e:51 brd ff:ff:ff:ff:ff:ff
3: eth1: mtu 1500 qdisc pfifo_fast qlen 1000
link/ether 00:16:3e:00:1e:52 brd ff:ff:ff:ff:ff:ff
显示更加详细的设备信息
[root@localhost ~]# ip -s link list
1: lo: mtu 16436 qdisc noqueue
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
RX: bytes packets errors dropped overrun mcast
5082831 56145 0 0 0 0
TX: bytes packets errors dropped carrier collsns
5082831 56145 0 0 0 0
2: eth0: mtu 1500 qdisc pfifo_fast qlen 1000
link/ether 00:16:3e:00:1e:51 brd ff:ff:ff:ff:ff:ff
RX: bytes packets errors dropped overrun mcast
3641655380 62027099 0 0 0 0
TX: bytes packets errors dropped carrier collsns
6155236 89160 0 0 0 0
3: eth1: mtu 1500 qdisc pfifo_fast qlen 1000
link/ether 00:16:3e:00:1e:52 brd ff:ff:ff:ff:ff:ff
RX: bytes packets errors dropped overrun mcast
2562136822 488237847 0 0 0 0
TX: bytes packets errors dropped carrier collsns
3486617396 9691081 0 0 0 0
[root@localhost ~]# ip route list
112.124.12.0/22 dev eth1 proto kernel scope link src 112.124.15.130
10.160.0.0/20 dev eth0 proto kernel scope link src 10.160.7.81
192.168.0.0/16 via 10.160.15.247 dev eth0
172.16.0.0/12 via 10.160.15.247 dev eth0
10.0.0.0/8 via 10.160.15.247 dev eth0
default via 112.124.15.247 dev eth1
[root@localhost ~]# ip neigh list
112.124.15.247 dev eth1 lladdr 00:00:0c:9f:f3:88 REACHABLE
10.160.15.247 dev eth0 lladdr 00:00:0c:9f:f2:c0 STALE