I actually have a question about subnetting

Discussion in 'MCSE' started by Kendal Emery, Nov 21, 2003.

  1. Kendal Emery

    Kendal Emery Guest

    All right, I understand subnetting for the most part, and can calculate
    subnet masks with the best of them, but one thing has now confused the
    bejesus out of me.....

    Scenario

    using a network number of 192.168.0 and a subnet mask of 255.255.255.240....

    I know that we have 14 host bits, what I don't understand is, that
    apparantly the valid ID's would start at 192.168.0.17.....

    Can you not use a subnet here with hosts from 192.168.0.0 (subnet) to
    192.168.0.15 (broadcast), and why...

    --
    Kendal R. Emery, MCSE, Network+, A+, MCNGP #19
    Systems Administrator
    Coordinated Home Care

    remove me to email to me
    Kendal Emery, Nov 21, 2003
    #1
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  2. Kendal Emery

    chris Guest

    with the subnet mask of 255.255.255.240 you would actually have only 4 host
    bits cuz you would be borrowing 4 of those for the subnet address.

    The first 'usable' subnet address would 192.160.0.16
    you cannot use the first subnet (the zero subnet) i.e. 192.168.0.0 because
    remember, that is part of the 'network' address....

    hth,
    chris


    "Kendal Emery" <> wrote in message
    news:...
    > All right, I understand subnetting for the most part, and can calculate
    > subnet masks with the best of them, but one thing has now confused the
    > bejesus out of me.....
    >
    > Scenario
    >
    > using a network number of 192.168.0 and a subnet mask of

    255.255.255.240....
    >
    > I know that we have 14 host bits, what I don't understand is, that
    > apparantly the valid ID's would start at 192.168.0.17.....
    >
    > Can you not use a subnet here with hosts from 192.168.0.0 (subnet) to
    > 192.168.0.15 (broadcast), and why...
    >
    > --
    > Kendal R. Emery, MCSE, Network+, A+, MCNGP #19
    > Systems Administrator
    > Coordinated Home Care
    >
    > remove me to email to me
    >
    >
    chris, Nov 21, 2003
    #2
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