Bob Chiodini wrote:
> > Now I'm not exactly sure what happens at the 'edges' so it may be + or -
> > 1, (ie maybe 2 local IPs for a 255 netmask?) but that's essentially it.
> >
> > Hopefully a genuine expert will be along shortly to give a full
> > explanation.
> >
> > Wookey
>
> The "wire network" annswer rang a bell! The 255.255.255.252 netwask would be
> correct for connecting router to router over a dedicated line allowing finer
> subnetting should one have multiple point to point circuits from one router
> to many others, and not wanting to waste an entire class b or class c subnet
> just to connect two routers over a deidicated line. Sorry about the
> confusion. In my case the sunet mask on the ppp interface does not seem to
> matter (to me) both the 255 and 252 netmasks work. I've got an email into my
> ISP to see what their thoughts are. They are a Linux shop. Hopefully the
> results will be forthcoming.
>
> Bob...
>From my ISP. I think the key is in the first sentence:
When you dial up to us we route you only one IP address. Since the days
of windows 3.1 and trumpet winsock I've seen 255.255.255.255 used as the
netmask. It may not make sense, but it works.
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GlobeNet, Inc. Global Computer Solutions
5455 N. US HWY 1 Cocoa, FL 32927
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Bob Chiodini [EMAIL PROTECTED]
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