4000 Router Series Interface Command Reference

If you specify the serial keyword without the interface-number argument, this command displays

information about all existing serial interfaces.

Examples

# Display detailed information about serial interface Serial 2/0.

<Sysname> display interface serial 2/0

Serial2/0

Current state: UP

Line protocol state: UP

Description: Serial2/0 Interface

Bandwidth: 64kbps

Maximum Transmit Unit: 1500

Hold timer: 10 seconds

Internet Address: 9.9.9.6/24 Primary

Link layer protocol: PPP

LCP: opened

Last clearing of counters: Never

Physical layer: synchronous, Baudrate: 64000 bps

Output queue: (Urgent queuing: Size/Length/Discards) 0/100/0

Output queue: (Protocol queuing: Size/Length/Discards) 0/500/0

Output queue: (FIFO queuing: Size/Length/Discards) 0/75/0

Interface: DCE

Cable type: V35

Clock mode: DCECLK

Last 300 seconds input rate: 2.40 bytes/sec, 19 bits/sec, 0.20 packets/sec

Last 300 seconds output rate: 2.40 bytes/sec, 19 bits/sec, 0.20 packets/sec

Input:

6668 packets, 80414 bytes

0 broadcasts, 0 multicasts

0 errors, 0 runts, 0 giants

0 crc, 0 align errors, 0 overruns

0 aborts, 0 no buffers

0 frame errors

Output:

6670 packets, 80446 bytes

0 errors, 0 underruns, 0 collisions

0 deferred

DCD: UP, DTR: UP, DSR: UP, RTS: UP, CTS: UP

# Display brief information about serial interface Serial 2/0.

<Sysname> display interface serial 2/0 brief

Brief information on interface(s) under route mode:

Link: ADM - administratively down; Stby - standby

Protocol: (s) - spoofing

Interface Link Protocol Main IP Description

S2/0 UP UP(s) --

# Display brief information about all serial interfaces in physically DOWN state and the causes.

<Sysname> display interface serial brief down

Brief information on interface(s) under route mode: