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RRAS Windows Server 2003 2 Subnets

I have just entered into a contract with a small hospital and they have static IP addresses for everything. I am almost out of IPs. No money in budget for router.
I would like to use RRAS to route traffic between 2 subnets. 10.20.20.0 and 10.20.30.0
Currently everything is assigned a 10.20.20.0 address. I want to use 10.20.30.0 255.255.255.0 for the DHCP. I need to move the workstations, using DHCP, to 10.20.30.0.
The AD, DNS, Accounting, File, etc. servers will remain on the 10.20.20.0 subnet. I've read everything I could find but could not find a solution. I need help configuring RRAS to do this. I think this would be the fastest way to enable DHCP and free up some static ips.
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Wouldn't I need to visit all the servers to widen the netmask? i.e. Change it to 255.255.254.0 on all servers?

And I do plan on add DHCP to the 10.20.20.0 subnet but I've got a lot of devices (MRI machine, Dialysis machines, LAB machines, etc. that I need to reserve their repective ip addresses but I don't know what they are yet.

My predecessor wasn't very knowledgable in networking and ip addressing.

I have a lot of work to do.
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I do have one more question...

I have a Cisco ASA 5510 but no experience with it. Can it do routing?
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OK, back to RRAS.

I've configured per your instructions and it is working ffor DHCP but I need one more thing. The workstations on 10.20.30.0 must be able to ping or access any device on 10.20.20.0 and vice-versa.

Access to the internet is via 10.20.20.5. Access to all the servers are on 10.20.20.0.
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The 10.20.20.0 access the internet via the Cisco ASA 5510 at 10.20.20.5. The ASA then connects to a Cisco 1760 router which no one knows the password.
Can the ASA do the static routing? Or can the RRAS do it?
Here's what I have so far...

2 nics in the RRAS server.
10.20.20.55  
10.20.30.1
The RRAS server is also my DHCP server. It is handing out 10.20.30.x and gateway 10.20.30.1.
My workstation has 10.20.30.22 assigned to it.
I cannot access the internet nor ping any server on 10.20.20.0 except 10.20.20.55.


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Thanks for the help.

The ASA 5510 has 4 lan ports on the back. I bet I could have one assigned a 10.20.20.0 address and 10.20.30.0 address and do it that way.

I'll post to the Cisco area. How do I reference this question?
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How would I setup the static routes?

Remember, beginner with RRAS.

I'll post to Cisco zone.

Thanks guys.

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How do I assign points?
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