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  1. Senior Member RS_MCP's Avatar
    Join Date
    Mar 2008
    London, UK

    CCNA, CCNA Security, CCSP, CCIE Security Written.

    Default Cisco ASA 5505 – Rommon Mode Issue

    Hi All,

    I have a Cisco ASA 5505 which currently has 256MB RAM and 128MB Flash.

    I am running ASA Version 8.2(4) and ASDM Version 6.4(1).

    The IOS seems to be running fine as well as the ASDM.

    ciscoasa# show memory
    Free memory: 122271024 bytes (46%)
    Used memory: 146164432 bytes (54%)
    ------------- ----------------
    Total memory: 268435456 bytes (100%)

    When I reload the ASA, the IOS loads up correctly, when I unplug the main power cable it keeps booting into rommon mode.

    Configuration register is 0x1

    Does anyone know why this could be happening?

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  2. SupremeNetworkOverlord Moderator Ahriakin's Avatar
    Join Date
    Oct 2005

    CCIE #23276-Sec, JNCIE-Sec #105, TCSE #2343,MCSE 2003-Sec,LPIC-1
    What is the bootvariable set to ( show bootvar) ? Even if you have only one image in flash manually enter a boot system command pointing to it to explicitly update the variable.
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