Adding to full network Help

watch the SPAM trap
cAm should be cOm

We have a class C IP range network and have reached 254 hosts.

Without subnetting how best can a separate ip range be set up on the
existing network but with a public range of 192.168 etc?

I would like to give a dept of 50 users a different IP range to limit the
amount of configuration on each machine.

There are a mixture of operating systems most commonly windows 98SE

Help appreciated

TIA
tim

watch the SPAM trap
cAm should be cOm




tim

I don't really understand what you are asking, but I think the only
thing you can really do is change the subnet mask to the 3rd octet is
less than 255.
Easiest is 255.255.0.0
G


"tim" <(E-Mail Removed)> wrote in message
news:413ca29b$0$20251$(E-Mail Removed)...
> watch the SPAM trap
> cAm should be cOm
>
> We have a class C IP range network and have reached 254 hosts.
>
> Without subnetting how best can a separate ip range be set up on the
> existing network but with a public range of 192.168 etc?
>
> I would like to give a dept of 50 users a different IP range to limit
> the
> amount of configuration on each machine.
>
> There are a mixture of operating systems most commonly windows 98SE
>
> Help appreciated
>
> TIA
> tim
>
> watch the SPAM trap
> cAm should be cOm
>
>

You can set-up a different IP range on the same physical network -
both subnets wont be able to communicate with each other unless you
specify the gateway to route packets between the different subnets.

Do you want to route packets to the different subnet or do you wish to
have the networks totally seperate ?

Only problem you may encounter is DHCP - as DHCP works on a broadcast
- if you have 2 DHCP servers for each of the subnets - then you will
run into problems as when a client wants an IP address and sends a
broadcast out - the first DHCP serve to answer will allocate an IP
address - this is where the problem will appear.

The only way to get round this is to use static IP for the other
subnet.



>"tim" <(E-Mail Removed)> wrote in message
>news:413ca29b$0$20251$(E-Mail Removed)...
>> watch the SPAM trap
>> cAm should be cOm
>>
>> We have a class C IP range network and have reached 254 hosts.
>>
>> Without subnetting how best can a separate ip range be set up on the
>> existing network but with a public range of 192.168 etc?
>>
>> I would like to give a dept of 50 users a different IP range to limit
>> the
>> amount of configuration on each machine.
>>
>> There are a mixture of operating systems most commonly windows 98SE
>>
>> Help appreciated
>>
>> TIA
>> tim
>>
>> watch the SPAM trap
>> cAm should be cOm
>>
>>
>

I have reached the maximum number of IP adresses (254) on our class c
192.etc.etc.etc system.
I would like to expand the network but not have to visit all machines
(static IP are manually set here)
So wondered if i could use a new IP range and link to the existing network
somehow.
Thanks for your comments
appreciated
tim

On Tue, 7 Sep 2004 19:59:37 +0100, "tim" <(E-Mail Removed)> strung
together this:

>I have reached the maximum number of IP adresses (254) on our class c
>192.etc.etc.etc system.
>I would like to expand the network but not have to visit all machines
>(static IP are manually set here)
>So wondered if i could use a new IP range and link to the existing network
>somehow.

It'd be cheaper to go round all the existing pc's and change them to a
/16 subnet.
--

SJW
A.C.S. Ltd

Thanks for your comments
We already issue static IP so this could work. So I could use class C
private 192.168 etc with same subnet as my existing network and specify a
router on the bigger network as the gateway?
have i got that right?
much appreciated

tim

"Lurch" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> On Tue, 7 Sep 2004 19:59:37 +0100, "tim" <(E-Mail Removed)> strung
> together this:
>
> >I have reached the maximum number of IP adresses (254) on our class c
> >192.etc.etc.etc system.
> >I would like to expand the network but not have to visit all machines
> >(static IP are manually set here)
> >So wondered if i could use a new IP range and link to the existing
> >network somehow.
>
> It'd be cheaper to go round all the existing pc's and change them to a
> /16 subnet.

It'd be not much different to set up a DHCP server, and go round all the
existing PCs and set them to use DHCP. And, of course, far better in the
long run.

Alex

> Thanks for your comments
> We already issue static IP so this could work. So I could use class C
> private 192.168 etc with same subnet as my existing network and
> specify a
> router on the bigger network as the gateway?
> have i got that right?
> much appreciated
>
> tim
>

Unfortunately, I don't think you have.
If you use static IP already, its kinda hard.
Basically, a subnet is a logical division between networks. Most private
IP networks will use a class C subnet, if you change to a class B
subnet, then you have 256 squared addresses, which is 65536 IIRC, minus
a few for broadcast etc.
To understand subnets properly you have to go back to network address
and node address, and write all IP addresses in binary... well thats the
easiest way to understand it.

The easiest way for you to configure your network, for the future, is
either to segment it, with ethernet routers joined together to route
between different class C subnets (eg servers on 192.168.0.x, accounts
on 192.168.1.x, sales on 192.168.2.x, etc) however a lot of microsoft
things aren't very routable outside of subnets.

Better may be to open up the subnet to a class B, and then you have many
more addresses to play with.

Its quite complicated deep workings of TCPIP, that I struggle to
explain.

I hope i've managed to help, and if i've just confused you more,
hopefully someone will clear it up, or even i can if you point at bits
you dont understand

"Alex Fraser" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> "Lurch" <(E-Mail Removed)> wrote in message
> news:(E-Mail Removed)...
>> On Tue, 7 Sep 2004 19:59:37 +0100, "tim" <(E-Mail Removed)>
>> strung
>> together this:
>>
>> >I have reached the maximum number of IP adresses (254) on our class
>> >c
>> >192.etc.etc.etc system.
>> >I would like to expand the network but not have to visit all
>> >machines
>> >(static IP are manually set here)
>> >So wondered if i could use a new IP range and link to the existing
>> >network somehow.
>>
>> It'd be cheaper to go round all the existing pc's and change them to
>> a
>> /16 subnet.
>
> It'd be not much different to set up a DHCP server, and go round all
> the
> existing PCs and set them to use DHCP. And, of course, far better in
> the
> long run.
>
Specially if you can assign permanent IP addresses to MAC addresses in
the DHCP server and set the subnet sufficently.

In article <413ca29b$0$20251$(E-Mail Removed)>, "tim"
(E-Mail Removed) says...
> We have a class C IP range network and have reached 254 hosts.
>
> Without subnetting how best can a separate ip range be set up on the
> existing network but with a public range of 192.168 etc?

That's a private address range, not public.
>
> I would like to give a dept of 50 users a different IP range to limit the
> amount of configuration on each machine.
>
> There are a mixture of operating systems most commonly windows 98SE
>
What sort of connectivity is required between the new and old machines,
or externally?