From mboxrd@z Thu Jan  1 00:00:00 1970
From: Teodor Iacob <Teodor.Iacob@astral.kappa.ro>
Subject: Re: Subnetting Question
Date: Fri, 24 May 2002 00:01:38 +0300
Sender: linux-admin-owner@vger.kernel.org
Message-ID: <20020523210138.GA694@linux.kappa.ro>
References: <20020429221654.GX23141@piku.org.uk> <Pine.LNX.4.21.0205231453470.14266-100000@minotaur.colorado.edu>
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To: omland@minotaur.colorado.edu
Cc: James <james@piku.org.uk>, "'linux-admin@vger.kernel.org'" <linux-admin@vger.kernel.org>

On Thu, May 23, 2002 at 02:56:56PM -0600, omland@minotaur.colorado.edu wrote:
> Hi all, I'm going to be rebuilding a network this summer that has a
> subnetmask of 255.255.255.128. We need 3 subnets and my IP range is only
> from xxx.xxx.xxx.0 to xxx.xxx.xxx.127. I'm wondering if it is possible to
> have like 2 different subnet numbers. So like is it possible to do
> something like:
> xxx.xxx.109.0/26, xxx.xxx.109.64/27 and xxx.xxx.109.96/27 or do I need to
> do them all as subnet mask 255.255.255.224? Thanks.
> -Chris
Hi,

First of all /27 is equivalent tu 255.255.255.224 representation of netmask.
It is possible to split your /25 subnet (255.255.255.128) in 2 /26 pieces
(255.255.255.192) from 0 to 63 and from 64 to 127 .. that would be all...

Teo