Help with DC (Active Directory) and DNS - Server 2003

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Hi guys.

I'm trying to set up a DC and DNS to use on my network. Problem I have is that I have a router that is acting as a DHCP server to assign IP's to all my clients. Now I know that DNS needs a static IP to function correctly so I need to disable the DHCP function in the router settings. My question is how do I know what IP addresses to assign to my server and clients (or just my server, because I'll eventually be setting up DHCP on there also)? I'm guessing that I'm limited to class C ip's as you can only change the last range of numbers of the Subnet Mask in the router.
Sorry if I'm being stupid. I feel I should know this but I'm new to all this 290 stuff

 

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You will only need to disable the DHCP server on your router when you want to setup DHCP on your 2K3 server. Just assign a static IP to your 2K3 server and then set it up as a DC / DNS server. It won't care that there is a DHCP server on the same subnet.

The one thing you may have to do is tweak the scope that your router / dhcp server is using. That or reserve / exclude the address you intend to use for your DC.

 

Ah ok. So set my DC/DNS server to have a static IP, say 192.168.1.101 and take out that range in my router. I get it now.

Am I right in saying that the IP's assinged by my router are class C only?

 

Highly likely that they will be using a Class C Default subnet mask, yes (ie 255.255.255.0). I haven't seen a home router yet that didn't use a class C range / subnet mask.

 

Assuming that the box is up and running

Note that if you are setting up a domain, your clients TCP/IP settings should be pointing at your internal DNS server for local DNS name resolution - your router DHCP when leasing out IP addresses may not be configurable to do this and it certainly woo not be able to interact with AD.

I would disable the DHCP feature on the router and set up a scope in DHCP on your server, especially as you are studying Microsoft and not D-Link or whatever vendor your router is.

 

LOL - you haven't seen MY home network then...

10.x.x.x all the way...

 

Mine too as it happens

 

And mine as well... though I'm using a 24-bit mask on it.

 

Cheers for all the help guys.

I've just bought a cheap base unit to run server on (currently running it on my main PC on a 2nd partition and one XP client). Think I'm gonna set it all up on this when it arrives and I'll disable the DHCP on my router.
No doubt I'll be asking for help again soon

 

I didn't say they couldn't use a 10.x.x.x range, perhaps I wasn't clear in what I meant. I meant that I have never seen one out of the box (ie default settings) that used anything other than a class C default subnet mask. Which of course would work just fine and dandy with a 10.x.x.x range anyway. Don't tell me you guys have more than 255 hosts on your home networks?

I think people see 255.255.255.0 and assume that it must be a class c ip address range to go with it. Not at all ...

 

Well its a mistake everyone makes the first time when they just learn how understand ip address, subnet masks, and how to destinguish the network ID, etc.