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DHCP vs. Static IP addressing

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by newcomp

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I am running Windows 2000 Server and 15 clients on one network. I have a router w/ ISDN connection to the internet. All of the clients and the router and the server have a static ip address. Our ISP is not going to cover the area I'm in anymore. How do I go about changing my server over to assign dynamic IP addresses to my client computers, and have the client computers and server still access the internet through the router. My new ISP will assign us 5 static addresses, so I can use 1 for therouther and 1 for the server.
I am going to need to change the Server soon to assign dynamic IP addresses. I don't know enough about setting up a scope, what starting IP addresses or ending IP addresses to use. HELP

6 replies

by mckaytech

One critical piece of information is missing from your question: what are you using for a router?

A correct answer will depend on what router you are using; specifically, whether that router supports NAT (network address translation). If so, you can use whatever IP addressing scheme fits. Just as one example, we routinely use a Class C address block for each subnet and assign IP addresses 1-20 for servers, 21-60 for printers, 61-240 for DHCP workstations and 240-254 for routers.

If your current router does not support NAT, things could get ugly in a hurry and the better side of valor might be to replace the router.

paul

by newcomp

The router that we are using is an ASCEND PIPELINE 50. It does support NAT Routing although it is set to NOT Routing=no. We are using only 1 server and 1 router. Maybe we will add a few more workstations in the future but we need only one server at this time with no further need for another server in the near future.

by estebandelatorre

No problems on setting dhcp for your clients.
What you need to do is to:
1.- Install dhcp server (if not instaled)
2.- Assign ti it a class "c" address like the one you are using (eg: 192.168.10.x MASK 255.255.255.0 This allows you to have 255 machines in the same network.
Assign the lower ip address for the fixed ones, say 1 to 31, and the start the scope from 192.168.10.32 to 254.
3.- Configure a default gateway (the router), a dns if you have one, onto the dhcp scope.
4.- Check tcp/ipproperties to get a dynamic ip address.
Hope it helps!!!

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