Creating subnet

Discussion in 'Linux Networking' started by ttvetos, Aug 26, 2015.

  1. ttvetos

    ttvetos Guest

    Hello, I would like to create 4 subnet from the address 177.35.0.0 because I don't understand the system of the subnet.

    The first subnet will contain a maximum of 12 guests.
    The second sub network will contain a maximum of 14 guests.
    The third sub network will contain a maximum of 75 guests.
    And the last subnet will contain up to 28 guests.

    Can you help me please ?
     
    ttvetos, Aug 26, 2015
    #1
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  2. ttvetos

    tjbrown2987 Guest

    If you're not planning on making any user groups later on that are larger than 127 users you could use 255.255.255.128.
     
    tjbrown2987, Aug 26, 2015
    #2
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  3. ttvetos

    ttvetos Guest

    Le mercredi 26 août 2015 17:16:57 UTC+2, a écrit :
    But this mask isn't for a class C IP ?
     
    ttvetos, Aug 26, 2015
    #3
  4. ttvetos

    ttvetos Guest

    Le mercredi 26 août 2015 17:16:57 UTC+2, a écrit :
    You're right. Thank you !
     
    ttvetos, Aug 26, 2015
    #4
  5. ttvetos

    Marc Haber Guest

    Please tell your teacher that classful IP addressing has been obsolete
    for 22 years now and that he should neither teach his students
    obsolete stuff nor assign homework to practice it.

    Classless Inter-Domain Routing has been introduced 22 years ago and
    has been in use since then. Knowing too much about classful routing
    will always be in your way when you try running today's IP networks.

    Oh, yes, and don't post obvious homework assignments on Usenet. Solve
    them yourself. It will help you.

    Greetings
    Marc
     
    Marc Haber, Aug 26, 2015
    #5
  6. Hi there

    The number of ip addresses in a (sub)net is always a power of two; 1, 2,
    4, 8, 16, etc.
    More here;
    http://www.sput.nl/internet/cidr-routing.html

    Vr.Gr,
    Rob
     
    Rob van der Putten, Aug 27, 2015
    #6
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