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WAN link and Internet sharing problem!

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by mgtang

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I have a Windows 2000 domain (192.168.3.0/24). Only one server(192.168.3.5). One Linksys Internet broadband router(192.168.3.10). The Internet connection I use is the shared fiber. What I need to do next is attach another VPN router for my new ADSL line in order to my main office. I want to use the ADSL for VPN and dedicated for my internal office connction. I need the Linksys still working for all of the Internet browsing and email tasks. The ADSL line will be plug into the VPN router and the VPN router will be attached to my switch. How can I implement this: VPN router for intranet use and Linksys broadban router for internet use simultaneously? I want to use them both. Do I need to buy additional router or I can configure something in the windows 2000 server RRAS. Could any body help and tell me what to do? Thank you! Appreciate for any help!

Jerry

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by expertpc

Here is a reworded request for you

WAN link and Internet sharing problem!
I have a Windows 2000 domain (192.168.3.0/24), only one server (192.168.3.5), and one Linksys Internet broadband router (192.168.3.10). The Internet connection I use is shared fiber. What I need to do is attach another VPN router for my new ADSL line in order to connect to my main office. I want to use the ADSL for VPN and be dedicated for my internal office communication. I need the Linksys to be used for all of theInternet browsing and email tasks. The ADSL line will be plugged into the VPN router and the VPN router will be attached to my switch. How can I implement this: VPN router for intranet use and Linksys broadband router for internet use simultaneously? I want to use them both. Do I need to buy additional router or can I configure something in the windows 2000 server RRAS. Could any body help and tell me what to do? Thank you! Appreciate for any help!

by expertpc

You said you had internet access by a shared fiber. Do you mean Fiber optic? If so, then please explain how you have fiber and your specific limitations.

If you have fiber into your router, and your router into a switch or a combined unit, you should be ok. Setup a server with RRAS to except and route traffic (RRAS) via VPN. you will have to setup rules that all traffic with specific ips will be forwarded by your router to the RRAS server. Or you can do it with route commands on the desktops. Your RRAS server will establish or receive VPN tunnels (site to site) to and from your office. All traffic to the office will be routed through the tunnel while all other web traffic will be routed to the internet. There is no need for the additional DSL line unless you are having bandwidth issues. Note: you will need to have two nics on the RRAS server as the VPN locks down local traffic through it's interface. Just have both nics on the same segment. One will receive local and forward it to the other which will be the tunnel interface. Also, specify on your router to send all tunnel requests to the VPN interface NIC.

If you are having bandwidth issues, then setup a dual homed server with the DSL coming in one NIC and the switch on the other nic. same concept with routing or individual routes on each PC.

There are a number of ways to set this up. I would suggest picking up an RRAS book and looking over the route commnd for windows. Sorry this is so sloppy-short on time

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