[c-nsp] VLSM

[Gert Doering]

Hi,

On Mon, Jan 10, 2005 at 01:45:15PM -0800, Shaun wrote:
> I dont have a huge amount of /24's and i need to start carving them up.  I
> found on cisco.com some docs about VLSM and was hoping to get some feed back
> from some of you about if one should use it or not.  The concept of it is
> great, every customer has a diffrent need for how many ips they need and
> rather than carving up one /24 into /29's, another into /28's or whatever i
> could create a subnet to fit my customers exact needs.  

Yes.

(Where's the *question* in there...?)

You're right, the concept is great, and this is why everyone is doing 
this since about 6 or 7 years.  Classful addressing is a concept from 
the last millenium.

Actually most people don't bother calling it "VLSM" or "CIDR" or anything
else anymore, but just use it as the most natural way of doing things,
as soon as you have stopped thinking in classful boundaries.

gert
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de