Bruce:
When I put in a mask like that, it comes back as invalid. Maybe I'm not
intepreting things right, but how can I have a mask this large? The
number of available IP Addresses if the starting address is 0, is 254. If
I make that number large, like 80, don;t I have to account for that fact?
IE. make my netmask something like 248 - 80 or somthing?
- Mike
On Tue, 8 Feb 2000, Bruce Bauer wrote:
> 85 won't work.
>
> If you make your network 192.168.1.80 and your netmask 255.255.255.248
> your broadcast address will be 192.168.1.87 and your usable addresses
> will be 81 - 86.
>
> As for why, try looking at these numbers in binary.
>
> > Afternoon:
> >
> > I'm trying to understand how netmasks work. We want to set up a small
> > pool of IP Addresses, and the only thing we can do is specify the network
> > and the netmask. They want the pool to start at 192.168.1.85, and have 5
> > usuable IP Addresses. What do I specify for the netmask, and more
> > importantly, why? I understand about setting up a network range, when the
> > network is specified at 0, but this 80 is throwing off my thinking.
> >
> > Anyone help?
> >
> > - Mike
> >
> >
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>
>
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