3640 boot problems

Discussion in 'Cisco' started by Gary, Dec 12, 2004.

  1. Gary

    Gary Guest

    This is a new 3640 with 1 x NM2FE2W and 2 WIC-1T's

    128MB main memory and 32MB Flash.

    We had to load the IOS using xmodem in rommon and all went well. The router
    never comes up. We have tried 5 IOS's and always get the boot below and then
    it hangs requiring a power cycle. If we remove the NM2FE2W it boots but not
    much use without the cards?

    Any pointers please..

    Mem registers all 128MB memory and have tried removing sticks etc just in
    case. IOS is running on other 3640's with FE cards etc.

    rommon 1 > reset

    System Bootstrap, Version 11.1(20)AA2, EARLY DEPLOYMENT RELEASE SOFTWARE
    (fc1)
    Copyright (c) 1999 by cisco Systems, Inc.
    C3600 processor with 131072 Kbytes of main memory
    Main memory is configured to 64 bit mode with parity disabled

    program load complete, entry point: 0x80008000, size: 0x8e0ef8
    Self decompressing the image :
    ############################################################################
    ############################# [OK]

    Smart Init is disabled. IOMEM set to: 25

    Using iomem percentage: 25

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    cisco Systems, Inc.
    170 West Tasman Drive
    San Jose, California 95134-1706



    Cisco IOS Software, 3600 Software (C3640-I-M), Version 12.3(11)T2, RELEASE
    SOFTWARE (fc1)
    Technical Support: http://www.cisco.com/techsupport
    Copyright (c) 1986-2004 by Cisco Systems, Inc.
    Compiled Fri 29-Oct-04 03:30 by cmong
    Image text-base: 0x60008FD4, data-base: 0x60EEE000
     
    Gary, Dec 12, 2004
    #1
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  2. Gary

    Hansang Bae Guest


    Couple of things to test

    1) Does this NM work in another router?
    2) This same version runs on the other 3640? Does that guy have more
    memory?
    3) Did you manually tune the iomem size?


    --

    hsb

    "Somehow I imagined this experience would be more rewarding" Calvin
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    Hansang Bae, Dec 12, 2004
    #2
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  3. program load complete, entry point: 0x80008000, size: 0x8e0ef8

    You should try to enable smart init. You can do it in rommon.
    I think that NM-2FE2W module require more than 25% of iomem but I don't
    remember how much.

    There is a table of iomem requrements for modules in 3600 series routers on
    cisco.com.
     
    Adam Wo³k-Jankowski, Dec 12, 2004
    #3
  4. Gary

    Gary Guest

    With the NM-2FE2W pulled the router boots and I can set the iomemsize.

    50% failed as it said it did not have enough memory to load the image and
    40% it just hangs with no message as below.

    System Bootstrap, Version 11.1(20)AA2, EARLY DEPLOYMENT RELEASE SOFTWARE
    (fc1)
    Copyright (c) 1999 by cisco Systems, Inc.
    C3600 processor with 131072 Kbytes of main memory
    Main memory is configured to 64 bit mode with parity disabled

    rommon 1 > boot flash
    program load complete, entry point: 0x80008000, size: 0x5e1838
    Self decompressing the image :
    ########################################################## [OK]

    Smart Init is disabled. IOMEM set to: 40

    Using iomem percentage: 40

    System Bootstrap, Version 11.1(20)AA2, EARLY DEPLOYMENT RELEASE SOFTWARE
    (fc1)
    Copyright (c) 1999 by cisco Systems, Inc.
    C3600 processor with 131072 Kbytes of main memory
    Main memory is configured to 64 bit mode with parity disabled

    rommon 1 > confreg 0x2102


    You must reset or power cycle for new config to take effect
    rommon 2 > reset

    How do I enable Smart Init ?
     
    Gary, Dec 12, 2004
    #4
  5. Gary

    voipguy Guest

    Gary,
    I can see that your IOMEM is set to 25%, from the boot message.
    So, when cards are installed, this is reserving too much memory
    from the IOS host code, and I think there's not enough main
    memory, and IOS can't run.

    So, try this:

    Unplug all the cards, and boot the router. Then change the io memory
    size to 10:

    memsize iomem 10

    Save the config.

    Plug the cards back in, and reboot again. It should work now.
    I think you can also say "no memsize iomem 25", and smart-init
    would size this correctly for you. You can try that, it's better
    than settting an arbitrary value like 10%, but either should work.

    IOMEM is carved from main memory to reserve it for packet IO,
    for efficiency.

    Good luck.
    VoipGuy.
     
    voipguy, Dec 13, 2004
    #5
  6. Gary

    jeffro

    Joined:
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    3640

    I had a similar problem with the NM-2FE2W card. I had to change the IOS Version to 12.2-40 and it works great. For some reason 12.3 and 12.4 would not work.
     
    jeffro, Apr 16, 2007
    #6
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