HSSI errors on 3600

Discussion in 'Cisco' started by tfigel@yahoo.com, Feb 2, 2005.

  1. Guest

    I am a novice to HSSI/T3 config, any help will be appreciated!

    I am recieving large number of overun and abort errors on HSSI
    interface
    on a 3600 my config is:
    (1)3600/HSSI <--> Addtran t3su300 <--> T3 <-> Addtran t3su300 <-->
    (2)3600/HSSI

    On both of the 3600's I see a large number of errors on the HSSI
    interface, and not the 100Mb interfaces:
    (1) #sh int hssi1/0
    Hssi1/0 is up, line protocol is up
    Hardware is M1T-HSSI-B
    Interface is unnumbered. Using address of FastEthernet0/0
    (63.209.12.7)
    MTU 4470 bytes, BW 45045 Kbit, DLY 200 usec,
    reliability 255/255, txload 5/255, rxload 2/255
    Encapsulation HDLC, crc 16, loopback not set
    Keepalive set (10 sec)
    Restart-Delay is 0 secs
    Last input 00:00:00, output 00:00:00, output hang never
    Last clearing of "show interface" counters 1d21h
    Input queue: 0/75/6994/0 (size/max/drops/flushes); Total output
    drops: 0
    Queueing strategy: fifo
    Output queue: 0/40 (size/max)
    5 minute input rate 472000 bits/sec, 440 packets/sec
    5 minute output rate 986000 bits/sec, 420 packets/sec
    42973701 packets input, 4227136765 bytes, 0 no buffer
    Received 18629 broadcasts, 0 runts, 6 giants, 0 throttles
    0 parity
    256058 input errors, 163172 CRC, 0 frame, 80710 overrun, 564
    ignored, 12176
    abort
    46556725 packets output, 3496074073 bytes, 75125 underruns
    0 output errors, 0 applique, 16 interface resets
    0 output buffer failures, 0 output buffers swapped out
    16 carrier transitions LC=down CA=up TM=down LB=down TA=up
    LA=down


    (2) #sh int hssi1/0
    Hssi1/0 is up, line protocol is up
    Hardware is M1T-HSSI-B
    Interface is unnumbered. Using address of FastEthernet0/0
    (192.84.19.254)
    MTU 4470 bytes, BW 45045 Kbit, DLY 200 usec,
    reliability 255/255, txload 2/255, rxload 5/255
    Encapsulation HDLC, crc 16, loopback not set
    Keepalive set (10 sec)
    Restart-Delay is 0 secs
    Last input 00:00:05, output 00:00:00, output hang never
    Last clearing of "show interface" counters 1d08h
    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 998000 bits/sec, 444 packets/sec
    5 minute output rate 469000 bits/sec, 462 packets/sec
    30993066 packets input, 713992592 bytes, 0 no buffer
    Received 13472 broadcasts, 0 runts, 0 giants, 0 throttles
    0 parity
    75855 input errors, 773 CRC, 0 frame, 23084 overrun, 731 ignored,
    51998 abo
    rt
    28379697 packets output, 2785080130 bytes, 3172 underruns
    0 output errors, 0 applique, 0 interface resets
    0 output buffer failures, 0 output buffers swapped out
    0 carrier transitions LC=down CA=up TM=down LB=down TA=up
    LA=down


    Anyone have any ideas of how to hunt this down?
     
    , Feb 2, 2005
    #1
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  2. Hansang Bae Guest

    wrote:

    > I am a novice to HSSI/T3 config, any help will be appreciated!
    >
    > I am recieving large number of overun and abort errors on HSSI
    > interface
    > on a 3600 my config is:
    > (1)3600/HSSI <--> Addtran t3su300 <--> T3 <-> Addtran t3su300 <-->
    > (2)3600/HSSI
    >
    > On both of the 3600's I see a large number of errors on the HSSI
    > interface, and not the 100Mb interfaces:

    [snip]
    >
    > Anyone have any ideas of how to hunt this down?


    You have a bad circuit. A misconfigured CSU. A bad cable. A bad csu.



    --

    hsb


    "Somehow I imagined this experience would be more rewarding" Calvin
    **************************ROT13 MY ADDRESS*************************
    Due to the volume of email that I receive, I may not not be able to
    reply to emails sent to my account. Please post a followup instead.
    ********************************************************************
     
    Hansang Bae, Feb 3, 2005
    #2
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  3. Guest

    What I have done to try and diagnose it is :
    1.) SBC ran tests on circuit
    2.) Replaced all cables
    3.) I am guessing it is misconfigured CSU too, but the adtran config
    was pretty simple.
    I think I did it right....
    DS3
    a.)framing auto
    b.) Line length short, tried long too though
    c.) DS3 timing from circuit
    d.) DS3 scramble disabled



    Hansang Bae wrote:
    > wrote:
    >
    > > I am a novice to HSSI/T3 config, any help will be appreciated!
    > >
    > > I am recieving large number of overun and abort errors on HSSI
    > > interface
    > > on a 3600 my config is:
    > > (1)3600/HSSI <--> Addtran t3su300 <--> T3 <-> Addtran t3su300 <-->
    > > (2)3600/HSSI
    > >
    > > On both of the 3600's I see a large number of errors on the HSSI
    > > interface, and not the 100Mb interfaces:

    > [snip]
    > >
    > > Anyone have any ideas of how to hunt this down?

    >
    > You have a bad circuit. A misconfigured CSU. A bad cable. A bad

    csu.
    >
    >
    >
    > --
    >
    > hsb
    >
    >
    > "Somehow I imagined this experience would be more rewarding" Calvin
    > **************************ROT13 MY ADDRESS*************************
    > Due to the volume of email that I receive, I may not not be able to
    > reply to emails sent to my account. Please post a followup instead.
    > ********************************************************************
     
    , Feb 3, 2005
    #3
  4. Hansang Bae Guest

    wrote:
    > What I have done to try and diagnose it is :
    > 1.) SBC ran tests on circuit
    > 2.) Replaced all cables
    > 3.) I am guessing it is misconfigured CSU too, but the adtran config
    > was pretty simple.
    > I think I did it right....
    > DS3
    > a.)framing auto


    Find out what framing they are using (M13/Cbit)

    > b.) Line length short, tried long too though
    > c.) DS3 timing from circuit


    Are you sure they are providing timing? Find out from the carrier. If
    they are, both should be set to take timing from the ckt. Otherwise,
    one should generate timing and the other should not.

    > d.) DS3 scramble disabled




    --

    hsb


    "Somehow I imagined this experience would be more rewarding" Calvin
    **************************ROT13 MY ADDRESS*************************
    Due to the volume of email that I receive, I may not not be able to
    reply to emails sent to my account. Please post a followup instead.
    ********************************************************************
     
    Hansang Bae, Feb 4, 2005
    #4
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