
show interfaces serial
PA-T3 and PA-2T3 Serial Port Adapters 17
show interfaces serial
To display information about a serial interface, use the show interfaces serial privileged EXEC
command.
show interfaces serial [slot/port] (Cisco 7200 series)
show interfaces serial [slot/port-adapter/port
] (Cisco 7500 series and Cisco 7000 series with
the RSP7000 and RSP7000CI)
Syntax Description
Command Mode
Privileged EXEC
Usage Guidelines
This command was modified in Cisco IOS Release 11.1 CA to include sample output for the PA-T3
serial port adapter.
For additional command syntax and sample displays, refer to the show interfaces serial command
in the “Interface Commands” chapter of the Configuration Fundamentals Command Reference.
Sample Displays
The following is sample output from the show interfaces serial command for a 1-port T3 serial port
adapter-configured VIP2 in chassis slot 1, in port adapter slot 0.
router# show interface serial 1/0/0
Serial1/0/0 is up, line protocol is up
Hardware is cyBus PODS3 Serial
Internet address is 133.1.1.1/24
MTU 4470 bytes, BW 44736 Kbit, DLY 200 usec, rely 255/255, load 1/255
Encapsulation HDLC, loopback not set, keepalive set (10 sec)
Last input 00:00:05, output 00:00:02, output hang never
Last clearing of “show interface” counters 5d02h
Queueing strategy: fifo
Output queue 0/40, 0 drops; input queue 0/75, 27269 drops
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
79039 packets input, 14195344 bytes, 0 no buffer
Received 84506 broadcasts, 0 runts, 0 giants
0 parity
9574 input errors, 6714 CRC, 0 frame, 1 overrun, 0 ignored, 2859 abort
62472 packets output, 13751644 bytes, 0 underruns
0 output errors, 0 applique, 10 interface resets
0 output buffer failures, 0 output buffers swapped out
16 carrier transitions
rxLOS inactive, rxLOF inactive, rxAIS inactive
txAIS inactive, rxRAI inactive, txRAI inactive
slot (Optional) Slot number of the interface.
port (Optional) Port number on the interface. The port value is always 0.
port-adapter (Optional) On Cisco 7500 series routers and Cisco 7000 series routers with
the RSP7000 and RSP7000CI, the location of the port adapter on a VIP.
The value can be 0 or 1.
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