[j-nsp] /31 subnet mask

Christian Koch christian at visr.org
Sat Mar 22 10:54:51 EDT 2008


ah yes didnt even think of that - its early my apologies!

On Sat, Mar 22, 2008 at 10:53 AM, David Ball <davidtball at gmail.com> wrote:

> http://tools.ietf.org/html/rfc3021
>
>
> On 22/03/2008, Christian Koch <christian at visr.org> wrote:
> > /31 is useless/unuseable
> >
> >  /31 = 255.255.255.254 - 2 addresses network address and broadcas, there
> is
> >  no room for host addresses
> >
> >
> >
> >
> >  On Sat, Mar 22, 2008 at 8:49 AM, sunnyday <cscosunny at gmail.com> wrote:
> >
> >  > hello can any one explain the use of a /31 subnet mask i know its for
> >  > saving ip addresses etc etc but i need to know how it
> works,limitations
> >  > and how to implement it.
> >  > thank you
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> >  >
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>


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