Command
Show IP Interface Brief
Use
This command displays a brief summary of the interfaces on a device. Its useful for quickly checking the status of the device.
Syntax
Router#show ip interface brief
Example
In the below example we use show ip interface brief to quickly see how interfaces are configured on R1.
R1#show ip interface brief Interface IP-Address OK? Method Status Protocol FastEthernet0/0 10.1.1.1 YES NVRAM up up Serial1/0 10.4.4.1 YES manual up up Serial1/1 unassigned YES unset administratively down down Serial1/2 unassigned YES unset administratively down down Serial1/3 unassigned YES unset administratively down down Loopback0 1.1.1.1 YES NVRAM up up Loopback1 11.11.11.11 YES NVRAM up up Loopback11 1.2.2.2 YES NVRAM up up Loopback12 1.3.3.3 YES NVRAM up up Loopback22 111.111.111.111 YES NVRAM up up