subnet question -- does not compute!?

mguymguy Posts: 167Member /27

Find Valid Subnet, Broadcast, Valid hosts

/27 = 32 (block Size)
{0, 32, 64, 96... }
everyone ok so far?

A: (This is from lammle book which I believe has an error)

Valid Subnet: (!!)
Broadcast address: (!!)
Valid hosts: (!!)


What's going on?


  • MrBrianMrBrian Posts: 520Member
    Well if that's what it says, then yea it's a mistake. With a /27 it's a block size of 32 like you said. it would be:

    broadcast addr=
    valid hosts=
    Currently reading: Internet Routing Architectures by Halabi
  • martell1000martell1000 Posts: 389Member
    maybe its a typo and he meant /27 which would match the answers
    And then, I started a blog ...
  • veritas_libertasveritas_libertas Audentis Fortuna Iuvat Greenville, SC USAPosts: 5,733Member ■■■■■■■■■■
    Yeah, unless I'm missing something it's completely wrong. Have you looked up the errata for your book?
    Currently working on: Linux and Python
  • Ltat42aLtat42a Posts: 585Member ■■■□□□□□□□
  • MrBrianMrBrian Posts: 520Member
    Even if it was meant to be the 32 subnet, the valid hosts is still wrong..

    It would be not (63 is the broadcast addr for the subnet)
    Currently reading: Internet Routing Architectures by Halabi
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