Command Reference Guide

3Com Router 5000 Family and Router 6000 Family display interface ● 93
Command Reference
display interface
Purpose Use the display interface command to view the LAPB or X.25 interface
information. After configuring PVC of X.25, users can use the command to obtain the
status information on one interface.
Syntax display interface serial [ number ]
Parameters number
Serial interface number.
Example Encapsulate Serial0/0/0 with LAPB protocol and view the encapsulated interface
information using the following commands.
<3Com> system-view
[3Com] interface Serial1/0/0
[3Com-Serial0/0/0] link-protocol lapb
[3Com-Serial0/0/0] display interface serial 0/0/0
Serial0/0/0 current state : UP
Line protocol current state : UP
Description : Serial0/0/0 Interface
The Maximum Transmit Unit is 1500, Holder timer is 10(sec)
Internet protocol processing : disabled
Link-protocol is X.25 DCE Ietf, address is , state R1, modulo 8
input/output: window sizes 7/7, packet sizes 256/256
Channels: Incoming-only 10-20, Two-way 30-40, Outgoing-only 50-60
Timers: T10 60, T11 180, T12 60, T13 60, Idle_Timer 0 (seconds)
New configuration(will be effective after restart): modulo 8
input/output: window sizes 7/7, packet sizes 256/256
Channels: Incoming-only 10-20, Two-way 30-40, Outgoing-only
50-60
Statistic: Restarts 0 (Restart Collisions 0)
Refused Incoming Call 0, Failing Outgoing Call 0
input/output: RESTART 1/1 CALL 9/2 DIAGNOSE 0/0
DATA 119/121 INTERRUPT 0/0 Bytes 2497/2731
RR 6/113 RNR 0/0 REJ 0/0
Invalid Pr: 0 Invalid Ps: 0 Unknown: 0
Link-protocol is LAPB
LAPB DCE, module 8, window-size 7, max-frame 12056, retry 10
Timer: T1 3000, T2 1500, T3 0 (milliseconds), x.25-protocol
state CONNECT, VS 6, VR 3, Remote VR 6
IFRAME 147/254, RR 11/6, RNR 0/0, REJ 0/0
FRMR 0/0, SABM 0/1, DM 0/0, UA 1/0
DISC 0/0, invalid ns 0, invalid nr 0, link resets 0
FIFO queuing: (Outbound queue:Size/Length/Discards)
FIFO 0/75/0
Physical layer is synchronous,
Interface is DTE, Cable type is V24
5 minutes input rate 0.00 bytes/sec, 0.01 packets/sec
5 minutes output rate 0.07 bytes/sec, 0.01 packets/sec
159 packets input, 3338 bytes, 0 no buffers
261 packets output, 4057 bytes, 0 no buffers
0 input errors, 0 CRC, 0 frame errors
0 overrunners, 0 aborted sequences, 0 input no buffers
DCD=UP DTR=UP DSR=UP RTS=UP CTS=UP