[Gllug] subnetting

[Mark Green]

The reason for this is because you are doing class based ip subnetting,
using class c, address so 200.100.99.31/27 is the broadcast address,
using this subnet scheme will give you 8 subnets how ever only 6 of them
will be usable.


-----Original Message-----
From: gllug-bounces at gllug.org.uk [mailto:gllug-bounces at gllug.org.uk] On
Behalf Of Doug Winter
Sent: Monday, November 08, 2004 8:47 AM
To: Greater London Linux Users Group
Subject: Re: [Gllug] subnetting

Michael Jenson wrote:
> Your description is good. However I was told by my profesor at Uni the
first
> range 200.100.99.1 - 200.100.99.31/27 is not used?! :/? What is the
reason for
> that. IS this as with network address, here being network address
range of the
> subnets?!?  the one that describes,? gives subnets the base?   

There's no requirement in IP to not use the first subnet.  He might have

some other reasons, but it's not that.

doug.

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