How to debug this ping response ???

Discussion in 'Cisco' started by aditya, Sep 4, 2006.

  1. aditya

    aditya Guest

    i got such a ping response at one site.. and i m getting low success
    rate as i increase number of ping packets that is for 300 it is 98% and
    for 400 it is 97% so wht could be the reson????

    BOBL_CUDDALORE#sh int s0/0
    Serial0/0 is up, line protocol is up
    Hardware is PowerQUICC Serial
    Description: ** 64K leased Line to Bangalore CDC **
    Internet address is 10.160.64.157/30
    Backup interface BRI1/0, failure delay 10 sec, secondary disable
    delay 180 sec
    ,
    kickin load not set, kickout load not set
    MTU 1500 bytes, BW 64 Kbit, DLY 20000 usec,
    reliability 255/255, txload 7/255, rxload 7/255
    Encapsulation HDLC, loopback not set
    Keepalive set (10 sec)
    Last input 00:00:00, output 00:00:00, output hang never
    Last clearing of "show interface" counters 00:16:46
    Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
    Queueing strategy: weighted fair
    Output queue: 0/1000/64/0 (size/max total/threshold/drops)
    Conversations 0/8/256 (active/max active/max total)
    Reserved Conversations 0/0 (allocated/max allocated)
    Available Bandwidth 48 kilobits/sec
    5 minute input rate 2000 bits/sec, 4 packets/sec
    5 minute output rate 2000 bits/sec, 3 packets/sec
    1527 packets input, 136585 bytes, 0 no buffer
    Received 101 broadcasts, 0 runts, 0 giants, 0 throttles
    4 input errors, 0 CRC, 3 frame, 0 overrun, 0 ignored, 1 abort
    1693 packets output, 137632 bytes, 0 underruns
    0 output errors, 0 collisions, 0 interface resets
    0 output buffer failures, 0 output buffers swapped out
    0 carrier transitions
    DCD=up DSR=up DTR=up RTS=up CTS=up

    BOBL_CUDDALORE#
    BOBL_CUDDALORE#ping 10.160.64.158

    Type escape sequence to abort.
    Sending 5, 100-byte ICMP Echos to 10.160.64.158, timeout is 2 seconds:
    !!!!!
    Success rate is 100 percent (5/5), round-trip min/avg/max = 48/53/72 ms
    BOBL_CUDDALORE#p
    Protocol [ip]:
    Target IP address: 10.160.64.158
    Repeat count [5]: 400
    Datagram size [100]:
    Timeout in seconds [2]:
    Extended commands [n]:
    Sweep range of sizes [n]:
    Type escape sequence to abort.
    Sending 400, 100-byte ICMP Echos to 10.160.64.158, timeout is 2
    seconds:
    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    !!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!
    !!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!
    !!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!
    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!
    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!
    Success rate is 97 percent (391/400), round-trip min/avg/max = 48/50/68
    ms
    BOBL_CUDDALORE#
     
    aditya, Sep 4, 2006
    #1
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  2. aditya

    Grog Guest

    On 3 Sep 2006 21:14:56 -0700, "aditya" <>
    wrote:

    >i got such a ping response at one site.. and i m getting low success
    >rate as i increase number of ping packets that is for 300 it is 98% and
    >for 400 it is 97% so wht could be the reson????
    >


    >Type escape sequence to abort.
    >Sending 5, 100-byte ICMP Echos to 10.160.64.158, timeout is 2 seconds:
    >!!!!!
    >Success rate is 100 percent (5/5), round-trip min/avg/max = 48/53/72 ms
    >BOBL_CUDDALORE#p
    >Protocol [ip]:
    >Target IP address: 10.160.64.158
    >Repeat count [5]: 400
    >Datagram size [100]:
    >Timeout in seconds [2]:
    >Extended commands [n]:
    >Sweep range of sizes [n]:
    >Type escape sequence to abort.
    >Sending 400, 100-byte ICMP Echos to 10.160.64.158, timeout is 2
    >seconds:
    >!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    >!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!
    >!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!
    >!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!
    >!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!
    >!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!
    >Success rate is 97 percent (391/400), round-trip min/avg/max = 48/50/68
    >ms
    >BOBL_CUDDALORE#



    I've seen these patterned type pings before and they've always been
    layer 2 type mismatches. You could ping with different patterns
    (0x000, 0x5555, etc...) and see which ones go thru.

    A quick look at patterns:
    http://en.wikipedia.org/wiki/BERT


    Grog
     
    Grog, Sep 4, 2006
    #2
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  3. aditya

    aditya Guest

    Thank you for your response.. i dont know much about patterned type
    pings.. but i will check that..

    BTW Thanks for that..

    Adi
     
    aditya, Sep 4, 2006
    #3
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