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  • Subnet

    Hi,

    we use an IP-range 10.130.60.X with a 255.255.255.0 subnetmask
    (so 254 addresses)

    I would like to add another subnet by changing the subnetmask.
    of course I could use 255.255.0.0 but this isn't good for broadcast I think.

    Something ideal would be:

    10.130.60.X
    10.130.61.X

    What subnetmask do I need ?

  • #2
    answer

    your subnet mask should be 255.255.254.0 which allows two subnets. one from 0-127, and the other from 128-255.

    * the second net address should be above 128, like 10.130.130.0.
    Yaniv Feldman
    Microsoft Security Regional Director
    Microsoft Management Expert
    MCSA, MCSE, MCT

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