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4505 Views 3 Replies Latest reply: Jan 21, 2010 1:58 PM by John MacInnis RSS

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Subnet game - address question

Dec 15, 2009 1:23 AM

Wugglesworth 2 posts since
Aug 26, 2008

Of the 3 addresses that the game asks you for (network, broadcast, and router interface), what the heck is the router interface address? I have no idea what they mean by that.

 

Example:

 

Subnet

255.255.255.192

 

Network

192.168.1.0

 

Broadcast

192.168.1.3

 

Router Interface

192.168.1.?

  • rosscourtnell 104 posts since
    Jun 30, 2008
    Currently Being Moderated
    1. Dec 15, 2009 2:58 AM (in response to Wugglesworth)
    Re: Subnet game - address question

    The router interface address will be a useable ip in the subnet range, normally you use the first or last ip in that subnet but its your choice

    So in your example you are using a /26 mask (255.255.255.192)

     

    This gives you subnet block sizes of 64 eg multiples of 64:

     

    192.168.1.0 - 192.168.1.63

    192.168.1.64 - 192.168.1.127

    192.168.1.128 - 192.168.1.191

    .....and so on.

     

    Using the first subnet 192.168.1.0:

     

    Network address is 192.168.1.0

    Broadcast address is 192.168.1.63

    Useable IP's: 192.168.1.1 - 192.168.1.62

     

    The router Interface address could be any IP in the useable range .1 - .62 but I would use .1 or .62 being the first and last addresses.

     

    Hope that helps

     

    Ross

  • John MacInnis 1 posts since
    Jan 19, 2010
    Currently Being Moderated
    3. Jan 21, 2010 1:58 PM (in response to Wugglesworth)
    Re: Subnet game - how good is good enough

    In terms of exam testing, how good is good enough on the subnet game?  Is getting to level five good enough in terms of having the required skills for passing subnetting on the exam?

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