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Strange show int gig1/1 output

Ibrahim Jamil
Level 6
Level 6

Hi Folks

1) when y ping continous  host then u will reply then timeout ,then reply,then time out,,,,,so what is the reason for that how to troubleshoot anf fix it

2)sh interface gig1/1

Hardware is C6k 1000Mb 802.3,
  MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Full-duplex, 1000Mb/s
  input flow-control is off, output flow-control is off
  Clock mode is auto
  ARP type: ARPA, ARP Timeout 03:00:00
  Last input never, output 00:00:07, output hang never
  Last clearing of "show interface" counters 2y17w
  Input queue: 0/2000/19/0 (size/max/drops/flushes); Total output drops: 25
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 5000 bits/sec, 2 packets/sec
  5 minute output rate 244000 bits/sec, 50 packets/sec
     93958195 packets input, 37692855997 bytes, 0 no buffer
     Received 42351654 broadcasts, 0 runts, 0 giants, 0 throttles
    19 input errors, 8 CRC, 8 frame, 0 overrun, 0 ignored
     0 input packets with dribble condition detected
     7038226491 packets output, 8793007232792 bytes, 0 underruns
     22 output errors, 0 collisions, 0 interface resets
     0 babbles, 1 late collision, 0 deferred
     0 lost carrier, 0 no carrier
     0 output buffer failures, 0 output buffers swapped out

Can you  tell me  what the wrong with value higlited by red ,how to troubleshoot anf fix

3 Replies 3

boss.silva
Level 1
Level 1

The counters were last cleared more than 2 years ago. Do these errors increment when you ping?

If they are indeed incrementing, that could be a cable issue.

If they are not, i suggest taking a look at the host's routing table. I've seen a lot of cases of two default routing tables, and one a non-valid interface for instance.

I Need more clarification according output highlighted by red

i suggest you take a look at the following document:

http://www.mycisco.biz/en/US/products/hw/switches/ps700/products_tech_note09186a008015bfd6.shtml

This explains each error and the possible causes.

It's a good link to have in your bookmarks.

-Bruno Silva.