Listar Interfaz del Enrutador

Comandos para Ingresar a las Interfaces:

interface ethernet 0
interface fastEthernet 0/1
interface gigabitethernet 0/0
interface serial 1/0/1

Comandos para Mostrar el Estatus de las Interfaces:

Dos de los comandos más comunes para mostrar el estatus de las interfaces son show ip interface brief y show interfaces.

El primero lista las interfaces una por línea, con información básica como la dirección IP y el estado de la intefaz. El segundo comando lista las interfaces, pero con muchas más información por cada una.

Ejemplo: Listar Interfaz del Enrutador

R1# show ip interface brief
Interface                  IP-Address      OK? Method Status                Protocol
Embedded-Service-Engine0/0 unassigned      YES NVRAM  administratively down down
GigabitEthernet0/0         172.16.1.1      YES NVRAM  down                  down
GigabitEthernet0/1         unassigned      YES manual administratively down down
Serial0/0/0                172.16.4.1      YES NVRAM  up                    up
Serial0/0/1                172.16.5.1      YES NVRAM  up                    up
Serial0/1/0                unassigned      YES NVRAM  up                    up
Serial0/1/1                unassigned      YES NVRAM  administratively down down

R1# show interfaces serial 0/0/0
Serial0/0/0 is up, line protocol is up
  Hardware is WIC MBRD Serial
  Description: Link in lab to R2's S0/0/1
  Internet address is 172.16.4.1/24
  MTU 1500 bytes, BW 1544 Kbit/sec, DLY 20000 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation HDLC, loopback not set
  Keepalive set (10 sec)
  Last input 00:00:03, output 00:00:06, output hang never
  Last clearing of 'show interface' counters never
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     42 packets input, 3584 bytes, 0 no buffer
     Received 42 broadcasts (0 IP multicasts)
     0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
     41 packets output, 3481 bytes, 0 underruns
     0 output errors, 0 collisions, 4 interface resets
     3 unknown protocol drops
     0 output buffer failures, 0 output buffers swapped out
     0 carrier transitions
     DCD=up  DSR=up  DTR=up  RTS=up  CTS=up

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