net work problem

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  • vargue
    Trusted Tech

    250+ Posts
    • Oct 2011
    • 404

    #1

    [Misc] net work problem

    i have broblem when i write subnet mask on machine dsm725 int's write like example: 255.255.255. and when i write last number 255 it's not respose it's not comply with last numer. any suggestion please
  • rthonpm
    Field Supervisor

    2,500+ Posts
    • Aug 2007
    • 2847

    #2
    Re: net work problem

    Check one of the company's computers using ipconfig and confirm that they don't use a different subnet mask. 255.255.255.0 is the most common, but in networks with smaller possible hosts, it is possible to see 255.255.254.0 or other iterations. Whatever the workstations use as their subnet mask, use on the copier.

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    • zed255
      How'd ya manage that?

      1,000+ Posts
      • Dec 2009
      • 1024

      #3
      Re: net work problem

      A network setting using a subnet mask of 255.255.255.255 has NO HOSTS, and therefore is invalid.

      Class A subnet 255.0.0.0
      Class B subnet 255.255.0.0
      Class C subnet 255.255.255.0 (this is typical in many environments)

      Other numbers may be used depending on how the network is subnetted. Valid values for the last octet are 128, 192, 224, 240, 248, and 252. Having a last octet at 254 is not really valid as it allows only two hosts on the subnet and they are used up as 'Network' and 'Broadcast' and therefore are no real host addresses available.

      At a command prompt on the client's computer use the command:

      ipconfig /all

      to see what the current network settings are. Match all settings you gather from this EXCEPT the IP address, this must be unique.

      Comment

      • chaunce54
        Technician
        • Sep 2009
        • 32

        #4
        Re: net work problem

        255.255.255.255 is not a valid subnet mask, there are no host bits on that network.

        Comment

        • vargue
          Trusted Tech

          250+ Posts
          • Oct 2011
          • 404

          #5
          Re: net work problem

          thanks guies problem pretained to my net work company.i appreciated that.

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