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Verifying Interface Configuration

To verify that a router interface is configurated with the correct network parameters and is operational, you can use several show commands such as “show ip interface brief” and “show interfaces type interface-identifier” like in the example below:

Pivit_router# show ip interface brief

Interface                     IP-Address      OK? Method Status                             Protocol

GigabitEthernet0/0     unassigned     YES manual administratively down down

GigabitEthernet0/1     192.168.1.1       YES manual   up                                 up  

Pivit_router# show interfaces G0/1

GigabitEthernet0/1 is up, line protocol is up

Hardware is CN Gigabit Ethernet, address is 00e0.8f66.6502 (bia 00e0.8f66.6502)

Internet address is 192.168.1.1/24

MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,

     reliability 255/255, txload 1/255, rxload 1/255

Encapsulation ARPA, loopback not set

Keepalive set (10 sec)

Full-duplex, 100Mb/s, media type is RJ45

<… output omitted …>