point to point T1 troubleshooting.

From: Jeongwoo Park (jpark@xxxxxxxx)
Date: Fri May 18 2001 - 11:58:56 GMT-3


   
Hi all
Have anyone troubleshootted T1?
it is ppp encapsulation, leased line.
LEC(local exchange carrier) said circuit is fine, which I doubt.
Router config is fine, I believe.
here is output of "sh int s2/0"

#sh int s2/0
Serial2/0 is up, line protocol is down
  Hardware is M4T
  Description: Leased Line to branch
  Internet address is 10.10.14.86/30
  MTU 1500 bytes, BW 2048 Kbit, DLY 20000 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation PPP, crc 16, loopback not set
  Keepalive set (10 sec)
  LCP Listen
  Closed: IPCP, CDPCP
  Last input never, output 00:00:03, output hang never
  Last clearing of "show interface" counters 18:08:32
  Input queue: 0/75/0 (size/max/drops); Total output
drops: 0
  Queueing strategy: weighted fair
  Output queue: 0/1000/64/0 (size/max
total/threshold/drops)
     Conversations 0/1/256 (active/max active/max
total)
     Reserved Conversations 0/0 (allocated/max
allocated)
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     0 packets input, 0 bytes, 0 no buffer
     Received 0 broadcasts, 0 runts, 2368 giants, 0
throttles
     8940 input errors, 1913 CRC, 0 frame, 6028
overrun, 0 ignored, 999 abort
     13556 packets output, 189784 bytes, 0 underruns
     0 output errors, 0 collisions, 3438 interface
resets
     0 output buffer failures, 0 output buffers
swapped out
     3672 carrier transitions DCD=up DSR=up
DTR=up RTS=up CTS=up
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