I have a frame relay site that is down, yesterday the other end was down
with a blown CSU (I know this really should not effect it after all the CSU
is only used for telco loop and act as a surge for electrical impulses)
Anyhow the other end is down and this is my INT
Serial0/1 is down, line protocol is down
Hardware is QUICC with integrated T1 CSU/DSU
Description: AT&T t1 to carlisle
MTU 1500 bytes, BW 768 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation FRAME-RELAY, loopback not set
Keepalive set (10 sec)
LMI enq sent 60, LMI stat recvd 59, LMI upd recvd 0, DTE LMI down
LMI enq recvd 0, LMI stat sent 0, LMI upd sent 0
LMI DLCI 0 LMI type is ANSI Annex D frame relay DTE
Broadcast queue 0/64, broadcasts sent/dropped 119/0, interface broadcasts
38
Last input 17:18:28, output 17:18:28, output hang never
Last clearing of "show interface" counters 5w6d
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
74 packets input, 4791 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
185 packets output, 34289 bytes, 0 underruns
0 output errors, 0 collisions, 119106 interface resets
0 output buffer failures, 0 output buffers swapped out
54 carrier transitions
DCD=down DSR=up DTR=up RTS=up CTS=down
I have read that 99.9% percent of the time with down, up,up,up, Down,
situations it is the telco. At&t have claimed that they can loop the CSU
but when they loop I don't see anything in the sh int that indicates
loopback, shouldn't the first line say up, loop or something? Also they say
they can't loop the SmartJack which already makes it sound weird to me. I
have been preaching to my customer that it is the Telco, should I try
something else, Note I would put a loop on the module and see if it goes up
up but there is no one at the location capable of making a cable and I don't
feel like driving 10hrs. round trip to plug it in. Any other ideas, I have
the telco dispatching in the AM and I wanted to have the Telco loop and have
the customer pull the line and see if they still see it in loop but that was
not possible either cause the Telco, cough AT&T cough cough, took 5 hours to
get a tech assigned to the case. Thanks in advance for all your ideas.
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