NC3T1-1_52.166#sh int s3/4
Serial3/4 is up, line protocol is up
  Hardware is M8T-V.35
  Description: Authority-Billiard-Ball(22761545)
  Internet address is 10.250.1.237/30
  MTU 1500 bytes, BW 2048 Kbit, DLY 20000 usec, rely 255/255, load 23/255
  Encapsulation PPP, crc 16, loopback not set
  Keepalive set (10 sec)
  LCP Open
  Open: IPCP
  Last input 00:00:01, output 00:00:00, output hang never
  Last clearing of "show interface" counters 00:49:17
  Input queue: 0/75/0 (size/max/drops); Total output drops: 49
  Queueing strategy: weighted fair
  Output queue: 0/256/64/48 (size/max total/threshold/drops)
     Conversations  0/15/256 (active/max active/max total)
     Reserved Conversations 0/0 (allocated/max allocated)
  30 second input rate 96000 bits/sec, 198 packets/sec
  30 second output rate 190000 bits/sec, 174 packets/sec
     490266 packets input, 30358596 bytes, 0 no buffer
     Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
     494337 packets output, 249963364 bytes, 0 underruns
     0 output errors, 0 collisions, 4 interface resets
     0 output buffer failures, 0 output buffers swapped out
     4 carrier transitions     DCD=up  DSR=up  DTR=up  RTS=up  CTS=up

更改指令如下:

TSR72#sh int s1/3
Serial1/3 is up, line protocol is up
Hardware is M8T-V.35
Description: fuguibao (6D82445)
Internet address is 10.250.1.37/30
MTU 1500 bytes, BW 2048 Kbit, DLY 20000 usec, rely 255/255, load 40/255
Encapsulation PPP, crc 16, loopback not set
Keepalive set (10 sec)
LCP Open
Open: IPCP
Last input 00:00:05, output 00:00:00, output hang never
Last clearing of "show interface" counters 1w2d
Queueing strategy: fifo
Output queue 0/200, 3867 drops; input queue 0/75, 0 drops
30 second input rate 178000 bits/sec, 215 packets/sec
30 second output rate 323000 bits/sec, 214 packets/sec
119133553 packets input, 997733018 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
946 input errors, 657 CRC, 0 frame, 2 overrun, 0 ignored, 287 abort
116167174 packets output, 3428546369 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
2 carrier transitions DCD=up DSR=up DTR=up RTS=up CTS=up


TSR72#conf t
TSR72(config)#int s1/3
TSR72(config-if)#fair-queue
(TSR72(config-if)#no fair-queue)<-----------如要取消
TSR72(config-if)#end

TSR72#sh int s1/3
Serial1/3 is up, line protocol is up
Hardware is M8T-V.35
Description: fuguibao (6D82445)
Internet address is 10.250.1.37/30
MTU 1500 bytes, BW 2048 Kbit, DLY 20000 usec, rely 255/255, load 39/255
Encapsulation PPP, crc 16, loopback not set
Keepalive set (10 sec)
LCP Open
Open: IPCP
Last input 00:00:06, output 00:00:00, output hang never
Last clearing of "show interface" counters 1w2d
Input queue: 0/75/0 (size/max/drops); Total output drops: 3867
Queueing strategy: weighted fair
Output queue: 0/200/64/3809 (size/max total/threshold/drops)
Conversations 0/6/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
30 second input rate 174000 bits/sec, 215 packets/sec
30 second output rate 321000 bits/sec, 220 packets/sec
119142468 packets input, 998644691 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
946 input errors, 657 CRC, 0 frame, 2 overrun, 0 ignored, 287 abort