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Cisco 2800 Series Router IOS is not loading

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  • Cisco 2800 Series Router IOS is not loading

    Hi

    Please help me i have one cisco router 2811 now its not booting normally.

    Router was working without any problems but due to power loss router restarted and goes into rommon mode

    I tried to boot from flash and usbfalsh with different images but no use router is in still rommon mode.


    here the output of my router:

    program load complete, entry point: 0x8000f000, size: 0x3117470

    Error : compressed image checksum is incorrect 0x8E095E7F


    Expected a checksum of 0x8E0AE77F




    *** System received a Software forced crash ***


    signal= 0x17, code= 0x5, context= 0x80014e20


    PC = 0x8000f0d4, Cause = 0x20, Status Reg = 0x3040a803


    c2811 platform with 524288 Kbytes of main memory


    Main memory is configured to 64 bit mode with ECC enabled






    Upgrade ROMMON initialized


    program load complete, entry point: 0x8000f000, size: 0xcb80


    program load complete, entry point: 0x8000f000, size: 0xcb80






    monitor: command "boot" aborted due to user interrupt


    rommon 1 > dir flash:


    program load complete, entry point: 0x8000f000, size: 0xcb80


    Directory of flash:




    2 51475984 -rw- c2800nm-advipservicesk9-mz.124-15.T10.bin


    12570 52667880 -rw- c2800nm-adventerprisek9-mz.124-15.T1.bin


    rommon 2 > boot flash:c2800nm-adventerprisek9-mz.124-15.T1.bin


    program load complete, entry point: 0x8000f000, size: 0xcb80




    program load complete, entry point: 0x8000f000, size: 0x323a448

    Error : compressed image checksum is incorrect 0x07A4628E


    Expected a checksum of 0x07A5B38E




    *** System received a Software forced crash ***


    signal= 0x17, code= 0x5, context= 0x80014e20


    PC = 0x8000f0d4, Cause = 0x20, Status Reg = 0x3040a803


    c2811 platform with 524288 Kbytes of main memory


    Main memory is configured to 64 bit mode with ECC enabled






    Upgrade ROMMON initialized


    program load complete, entry point: 0x8000f000, size: 0xcb80


    open(): Open Error = -13


    loadprog: error - on file open


    boot: cannot load "flash:c2800nm-advsecurityk9-mz.124-15.T10.bin"


    c2811 platform with 524288 Kbytes of main memory


    Main memory is configured to 64 bit mode with ECC enabled






    Upgrade ROMMON initialized


    program load complete, entry point: 0x8000f000, size: 0xcb80


    program load complete, entry point: 0x8000f000, size: 0xcb80




    program load complete, entry point: 0x8000f000, size: 0x3117470

    Error : compressed image checksum is incorrect 0x8E09407F


    Expected a checksum of 0x8E0AE77F




    *** System received a Software forced crash ***


    signal= 0x17, code= 0x5, context= 0x80014e20


    PC = 0x8000f0d4, Cause = 0x20, Status Reg = 0x3040a803


    c2811 platform with 524288 Kbytes of main memory


    Main memory is configured to 64 bit mode with ECC enabled






    Upgrade ROMMON initialized


    program load complete, entry point: 0x8000f000, size: 0xcb80


    program load complete, entry point: 0x8000f000, size: 0xcb80




    program load complete, entry point: 0x8000f000, size: 0x3117470

    Error : compressed image checksum is incorrect 0x8E09327F


    Expected a checksum of 0x8E0AE77F




    *** System received a Software forced crash ***


    signal= 0x17, code= 0x5, context= 0x80014e20


    PC = 0x8000f0d4, Cause = 0x20, Status Reg = 0x3040a803


    c2811 platform with 524288 Kbytes of main memory


    Main memory is configured to 64 bit mode with ECC enabled






    Upgrade ROMMON initialized


    program load complete, entry point: 0x8000f000, size: 0xcb80


    program load complete, entry point: 0x8000f000, size: 0xcb80




    program load complete, entry point: 0x8000f000, size: 0x3117470

    Error : compressed image checksum is incorrect 0x8E09E07F


    Expected a checksum of 0x8E0AE77F




    *** System received a Software forced crash ***


    signal= 0x17, code= 0x5, context= 0x80014e20


    PC = 0x8000f0d4, Cause = 0x20, Status Reg = 0x3040a803


    c2811 platform with 524288 Kbytes of main memory


    Main memory is configured to 64 bit mode with ECC enabled






    Upgrade ROMMON initialized


    program load complete, entry point: 0x8000f000, size: 0xcb80


    program load complete, entry point: 0x8000f000, size: 0xcb80




    program load complete, entry point: 0x8000f000, size: 0x3117470

    Error : compressed image checksum is incorrect 0x8E09847F


    Expected a checksum of 0x8E0AE77F




    *** System received a Software forced crash ***


    signal= 0x17, code= 0x5, context= 0x80014e20


    PC = 0x8000f0d4, Cause = 0x20, Status Reg = 0x3040a803


    c2811 platform with 524288 Kbytes of main memory


    Main memory is configured to 64 bit mode with ECC enabled






    Upgrade ROMMON initialized


    Entering rommon> prompt after several failed attempts to boot an IOS image.


    Please check your internal/external flash drives for the correct IOS image


    and issue 'reset' at the rommon> prompt to re-try the boot process.


    rommon 1 >

  • #2
    Re: Cisco 2800 Series Router IOS is not loading

    Error : compressed image checksum is incorrect 0x8E095E7F


    Expected a checksum of 0x8E0AE77F
    The checksum on flash doesn't match the checksum when it tries to decompress the image. Make sure you getting your images from a reliable source (IE Cisco.com). Also may want to try a new flash card.
    CCNA, CCNA-Security, CCNP
    CCIE Security (In Progress)

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