Hello, I'm installing a 1841 for a customer and have a loop back plug inserted into the WIC. It's wired 1-4 and 2-5. The interface is up/down.
I thought by inserting ' service-module 56k clock source internal' it would force the interface into an up/up state? Interestingly enough the input/output buffers are incrementing and all of the control signals are up. any help would be appreciated.
Here's the state of the interface.
royalfreight#sh int s0/0/0
Serial0/0/0 is up, line protocol is down (looped)
Hardware is GT96K with 56k 4-wire CSU/DSU
Description: circuit id 64450178 network id 3852301138
Internet address is 10.1.1.1/24
MTU 1500 bytes, BW 56 Kbit/sec, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation PPP, LCP REQsent, loopback not set
Keepalive set (10 sec)
CRC checking enabled
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of "show interface" counters 00:00:38
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 0 bits/sec, 1 packets/sec
5 minute output rate 0 bits/sec, 1 packets/sec
8 packets input, 112 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
8 packets output, 112 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
0 unknown protocol drops
0 output buffer failures, 0 output buffers swapped out
2 carrier transitions
DCD=up DSR=up DTR=up RTS=up CTS=up
