ip命令的功能是用于显示与配置网卡参数。作为Linux系统下一款好用的网卡参数配置工具，ip命令除了常规操作外，还可以对主机的路由、网络设备、策略路由以及隧道信息进行查看。
语法格式：ip [参数]
常用参数：
| -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 |
| -r | 显示主机时，不使用IP地址，而使用主机的域名 |
参考实例
显示当前的网络设备运行状态:
[root@linuxcool ~]# ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: ens160: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether 00:0c:29:60:cd:ee brd ff:ff:ff:ff:ff:ff
3: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DEFAULT group default qlen 1000
link/ether 52:54:00:ad:1e:4d brd ff:ff:ff:ff:ff:ff
4: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc fq_codel master virbr0 state DOWN mode DEFAULT group default qlen 1000
link/ether 52:54:00:ad:1e:4d brd ff:ff:ff:ff:ff:ff
显示当前的网络设备的详细运行状态:
[root@linuxcool ~]# ip -s link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
RX: bytes packets errors dropped overrun mcast
0 0 0 0 0 0
TX: bytes packets errors dropped carrier collsns
0 0 0 0 0 0
2: ens160: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether 00:0c:29:22:31:9c brd ff:ff:ff:ff:ff:ff
RX: bytes packets errors dropped overrun mcast
0 0 0 0 0 0
TX: bytes packets errors dropped carrier collsns
4186 36 0 0 0 0
3: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DEFAULT group default qlen 1000
link/ether 52:54:00:8a:09:91 brd ff:ff:ff:ff:ff:ff
RX: bytes packets errors dropped overrun mcast
0 0 0 0 0 0
TX: bytes packets errors dropped carrier collsns
0 0 0 0 0 0
4: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc fq_codel master virbr0 state DOWN mode DEFAULT group default qlen 1000
link/ether 52:54:00:8a:09:91 brd ff:ff:ff:ff:ff:ff
RX: bytes packets errors dropped overrun mcast
0 0 0 0 0 0
TX: bytes packets errors dropped carrier collsns
0 0 0 0 0 0
显示当前核心路由表信息：
[root@linuxcool ~]# ip route list 192.168.10.0/24 dev ens160 proto kernel scope link src 192.168.10.10 metric 100 192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1 linkdown
ip命令 – 显示与配置网卡参数，知识来源于网络运用于网络，仅供学习、交流使用，版权归属原作者所有。【内容仅供参考，请读者自行甄别，以防风险】