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Cannot get NAT to work as I would like with 2003 server
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ISP
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8 x IP addresses as supplied by ISP on subnet 255.255.252.0
Router configured in bridging mode (the only supported method with this particular ISP with multiple IP addresses)
2003 server
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2 x network cards
1 with internal IP address of 192.168.1.11 on subnet 255.255.255.0
1 with external (ISP provided) IP address on subnet 255.255.252.0
NAT installed (Routing and remote access) but not operating correctly as yet.
There are also other 2003 servers as well with web applications, but this is not relevant.
Current (incorrect) situation
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The workstations are using the IP addresses supplied by the ISP to enable web browsing. This, or course, eats up the 8 x ISP provided IP adresses, which is not acceptable.
If I configure the workstations to use an internal IP address (192.168.1.X on subnet 255.255.255.0), they ARE able to access resources (http, file access etc) supplied on one of the 8 ISP provided IP addresses. This tells me that NAT on the 2003 server is providing a gateway between the two subnets. HOWEVER, internet access is not provided. This appears to be more than a DNS problem, as if I find out the ip address of google (for example) and enter http://[ip address] into the web browser, I get the standard "page cannot be displayed" error message. I have also switched off the Routing and Remote Access firewall completely on the 2003 server, still with no success.
Requirement
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I would like all of the workstations to use internal IP addresses, with web browsing being enabled via NAT on the 2003 server through a single ISP provided IP address.
Thank you kindly in advance to anyone that can provide some assistance.