Prestige 643 router/modem

Discussion in 'Home Networking' started by Dave J., Feb 22, 2008.

  1. Dave J.

    Dave J. Guest

    Does anyone know where I could find a detailed manual for the Prestige 643
    router/modem?

    It's quite an old model (though it happily does > 6Mbit) with quite a
    complex command line interface that has much more flexibility than going
    via http. For a start, I was only able to input my ISP username via the
    telnet interface, the web page restricted the maximum length too severely
    for it to fit, despite the fact that the memory space to store it
    obviously exists.

    Telneting takes you to a sort of BBS style ANSI interface, with a CLI
    option a couple of menus down.

    The commands run numerous levels deep, with each level having it's own
    subcommands.

    eg IP WAN ADSL RDATA <Argument>

    While the inbuilt 'help' is useful to the extent of listing the commands
    and telling you something about what arguments are expected, it doesn't
    give enough detail to work out exactly what's going on and I'm fairly sure
    I could cripple it bad style if I tinker carelessly. I can't even find the
    hardware reset-to-defaults button. :(

    I'd also like to figure a way of 'hacking' back to the OS that's almost
    certainly in there somewhere behind the 'BBS' application.

    What I'd *really* like is some reverse engineering hints or disassembly;
    if at all possible I'd be interested in tinkering with the flashable part
    of the (ee?)ROM.

    Any hints would be very very welcome. If anyone actually has original
    documentation files that are too big for email and doesn't have easy
    access to a webhost I'll happily set up a dynamic URL pointing to a
    web/cgi or (preferably) FTP interface on my home machine so they can
    upload them.

    If anything needs emailing, probably best to warn me, though certainly
    make sure it's to the 'reply to' address rather than the 'from' field on
    this posting.

    Thanks..

    Dave Johnson
     
    Dave J., Feb 22, 2008
    #1
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  2. Dave J.

    Rob Morley Guest

    Rob Morley, Feb 23, 2008
    #2
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  3. Dave J.

    Dave J. Guest

    Is there anything in the directories or are they just blank?

    I didn't think of digging around for FTP links as somehow I thought it was
    all http. I'll shuffle through the site. Oops! Gotta go be an ambulance.
    Makes a change from taxi driver I guess. Thanks for the help.


    Dave Johnson
     
    Dave J., Feb 23, 2008
    #3
  4. Dave J.

    Rob Morley Guest

    Just empty subdirectories, like

    ftp://ftp.zyxel.co.uk/P-643/user_guide
     
    Rob Morley, Feb 23, 2008
    #4
  5. Dave J.

    Dave J. Guest

    In MsgID<> on Sat, 23 Feb
    2008 15:11:26 -0000, in uk.comp.home-networking, 'Rob Morley' wrote:
    [...]
    Ok.

    Nice one for the first reply. There's more than enough information in that
    manual to get to grips with the router's full capabilities. It's got
    assorted commands that ring bells from a Cisco networking (routers et-al)
    course I did a while back, certainly more than I'm used to seeing on the
    current domestic toys. A few things to experiment with, though I don't
    think my little network with its single public IP has much need of RIP2.
    :`) The filtering might be interesting to look at though.

    I don't suppose you (or any other helpful folk) have any hints on wangling
    past the telnet UI to the OS I'm convinced is hidden in there? I'd love to
    lift the lid..

    I'll be away for a while after the 24th but I'll be checking this group.

    Anyhow, the manual was the main thing I needed. My thanks for that.

    Dave Johnson.
     
    Dave J., Feb 25, 2008
    #5
  6. Dave J.

    Rob Morley Guest

    Rob Morley, Mar 9, 2008
    #6
  7. Dave J.

    Dave J. Guest

    Dave J., Mar 17, 2008
    #7
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