I have a point to point T1 that is not working. The routers involved are a
3640 and a 2610. I have configured the routers with the same line code,
framing, etc. The WICs are internal. The telco can loopup to the 2610 but
not the 3640. I've swapped cables and the internal WIC on the 3640 side. Any
recommendations would be greatly appreciated.
3640:
3640#sh int s0/1
Serial0/1 is down, line protocol is down
Hardware is DSCC4 with integrated T1 CSU/DSU
Internet address is 10.1.2.1/30
MTU 1500 bytes, BW 2048 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation PPP, loopback not set
Keepalive set (10 sec)
LCP Closed
Closed: IPCP, CDPCP
Last input never, output never, output hang never
Last clearing of "show interface" counters 00:07:40
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 0/0/256 (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, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 1 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
DCD=down DSR=up DTR=up RTS=up CTS=down
3640#sh service-module s0/1
Module type is T1/fractional
Hardware revision is 0.96, Software revision is 0.2,
Image checksum is 0xED22BEC5, Protocol revision is 0.1
Transmitter is sending remote alarm.
Receiver has loss of frame,
Framing is ESF, Line Code is B8ZS, Current clock source is line,
Fraction has 24 timeslots (64 Kbits/sec each), Net bandwidth is 1536
Kbits/sec.
Last module self-test (done at startup): Passed
Last clearing of alarm counters 00:08:39
loss of signal : 0,
loss of frame : 1, current duration 00:08:29
AIS alarm : 0,
Remote alarm : 0,
Module access errors : 0,
Total Data (last 0 15 minute intervals):
0 Line Code Violations, 0 Path Code Violations
0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins
0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs
Data in current interval (493 seconds elapsed):
0 Line Code Violations, 0 Path Code Violations
6 Slip Secs, 456 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins
0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 493 Unavail Secs
Thanks,
David Eitel
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