from howto.
4 subnets 62 255.255.255.192
111111.11111111.11111111.11000000)
net --------- min.ip max.ip avail. ips
0 63 1 62 62
64 127 65 126 62
128 191 129 190 62
192 255 193 254 62
Irfan Akber
----------
> From: Brian Stone <bstone@imcpl.lib.in.us>
> To: Irfan Akber <iakber@super.net.pk>
> Cc: linux-net@vger.rutgers.edu
> Subject: Re: Subnetting recommendations
> Date: Wednesday, May 27, 1998 2:11 PM
>
> One thing to watch out for.
>
> You can't subnet a class C address into 4 2bit subnets. You only get 2
subnets
> becuase the you cant have a subnet mask of all 0s or all 1s. (11,00) .
>
> Brian
>
>
> Irfan Akber wrote:
>
> > Hello everyone,
> >
> > I was planning on installing a network with subnets. Here is what I am
> > planning. 1 router, 6 access servers (PM 2e-30), 2 hubs, 4-5 servers,
20
> > workstations etc.
> >
> > Here is what I am planning.
> >
> > 1. One class C IP address space (Internet routable), here taking the
> > example of 192.168.1.x
> >
> > 2. 4 subnets giving 62 ips on each (netmask 255.255.255.192). One hub
for
> > servers, workstations and router and the other for access servers.
> >
> > 3. One Linux machine in between the two hubs for ip filtering and
other
> > security issues with 2 ethernet cards.
> >
> > Now my question is as I need 30 ips for each access server that will be
> > given to dial up users, can I put the all the access servers on the
second
> > hub, considering they will be on a different subnet. Willl this setup
> > impose any problem on routing through Linux and the router. What will
be
> > possible routing table on access servers and the Linux machine.
> >
> > Any recommendations and comments will be appreciated specially with PM
2e.
> >
> > Irfan Akber
> >
> > -
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>
>
>
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