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input eroors.

two site connected with E1.

My question is in Remote site,with only 262 packets input,how can it have a 4325 input packets error.What is the problem?What should I deal with it?

Remote site using show command :

serial0/1 is up, line protocol is up

Hardware is PowerQUICC Serial

Internet address is 131.43.165.129/30

MTU 1500 bytes, BW 2048 Kbit, DLY 20000 usec,

reliability 182/255, txload 1/255, rxload 1/255

Encapsulation HDLC, loopback not set

Keepalive set (10 sec)

Last input 00:00:04, output 00:00:05, output hang never

Last clearing of "show interface" counters 00:15:19

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 0/2/256 (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

<font color=red> 262 packets input </font>, 206434 bytes, 0 no buffer

Received 63 broadcasts, 0 runts, 1 giants, 0 throttles

!!! 4325 input errors, 651 CRC, 3365 frame, 0 overrun, 0 ignored, 309 abort

305 packets output, 210810 bytes, 0 underruns

0 output errors, 0 collisions, 10 interface resets

0 output buffer failures, 0 output buffers swapped out

0 carrier transitions

DCD=up DSR=up DTR=up RTS=up CTS=up

Central site using show command:

Serial3/0/2 is up line protocol is up

Interface DTE, V35, invert t-clock set, detect dsr_dtr set

nrzi-encoding not set, idle-mark not set, loopback not set

Description : to-shi-ju

The Maximum Transmit Unit is 1500, The keepalive is 10(sec)

Internet Address is 131.43.165.130/30

Encapsulation HDLC, keepalive set (10 sec)

Queueing strategy: FIFO

Output queue: (size/max/drops) 0/75/0

5 minutes input rate 8 bytes/sec, 0 packets/sec

5 minutes output rate 2 bytes/sec, 0 packets/sec

13174 packets input, 1335127 bytes

289 input errors, 7 CRC

269 frames, 0 overruns, 13 aborts, 0 giants

13160 packets output, 1332310 bytes

0 output errors, 0 underruns

DCD=UP DTR=UP DSR=UP RTS=UP CTS=UP

1 REPLY
Silver

Re: input eroors.

packets input = Total number of error-free packets received by the system

input errors = Total number of no buffer, runts, giants, CRCs, frame, overrun, ignored, and abort counts. Other input-related errors can also increment the count, so that this sum might not balance with the other counts.

I suggest you refer to the Cisco Command Reference for information on these outputs: (They are very good)

http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/finter_r/irfshoin.htm#xtocid13

These errors could be due to any of the above mentioned problems. Check your configurations if it matches with your provider's. Also check the line for any errors. A bit error rate test (BERT) would tell you if the line is good or noisy.

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