[c-nsp] VLSM

[Stephen J. Wilcox]

there is no other way to do it. cidr / vlsm are the standard for 10+ years

as i was just discussing here its unfortunate so many network courses continue 
to teach classful networking and so many devices default to classful behaviour 
eg guessing a /8 netmask when typing a 10.xxx address or how windows will not 
communicate with .0 or .255 hosts in former class C space

cisco is terrible for this - cisco dudes why is that? there are some classful 
bugs still, plus courses that teach classful

Steve

On Mon, 10 Jan 2005, 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.  Just so you know, if
> it matters, this is for dedicated servers and colocation customers.
> 
> Thanks in advance.
> 
> Shaun
> 
> 
> 
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