troubleshooting Question

Remote Desktop Connection, wrv54G vpn, from anywhere on the planet to 6 computers at work all have XP Pro

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botiuk asked on
Windows Networking
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Here are my goals: 1  To have  "Remote Desktop Connection" (on Windows XP Pro ) available so that I can network and hook up to my office computers  (the 6 that matter have XP PRo) from anywhere on the planet, including from home (also XP Pro).
2  I need to swap files and share printers, etc.  from work to anywhere on the plant
3, Even if I cannot get the desktop connection working, I would like to work on my WordPerfect word processing documents (which are in my desktop computer in my office) from home or from abroad.

Here is my set up: be prepared to be amazed:

1.  Bell Canada is my ISP and I have high speed DSL
2, From there, the internet enters the famous Linksys WRV54G VPN  Wireless router. The Internet service is PPoE and I do have dyndns service up and running effectively.
3, Attached to this router are 1, my desktop, and 2 my laptop by (a) a wire or (b) wirelessly, 3 a Windows 95 Computer that amazingly sees the network and can log on to the internet without difficulty, 4, a DLinks router/ print server - the function of which  is to convert a "Crossover" cable into the standard networking cable (RJ45?)
4, The above motioned Cross over cable then heads over some ceiling tiles and snakes it's way over to yet another Dlink router (which has ben dumbed down to a switch) and to this are attached three computers.
5. All relevant computers have XP Pro on them

THINGS THAT ARE NOT THE PROBLEM:
1  All computers at the office see one another on the network, no problem swapping flies, sharing printers, sharing access to the Internet, saving files on different computers.

2   I can and have successfully logged on to my WRV54G VPN router. I've done so from my home, from work, and from abroad.  I have logged on to it by entering my account details in the address box on a web browser, i.e., http:// xxxx.dyndns.xxxx etc.
3, I have had partial success logging in through the "quick VPN" software from Linkys.

PROBLEMS:
1. When  I  try to use the Quick VPN program from Linksys, it gets hung up at the 'verifying network' stage.  But when I log on to the router itself, by going  to my  XXXX.dyndns.XXX, and check the 'status' and 'VPN' tag of the Router's on screen display,  I can see that I have successfully logged on.

Here's WHERE THE PROBLEMS START:
1) Great, so I can log on to the WRV54G from anywhere on the plant and manage the same said wrv54G from anywhere. How does this help me get to the cursed files on my computers at work?
2) Do I need to 'map' a drive to the WRV54G? What and how do I do this?
3) I do not have a router at home, just one computer with a direct link to a cable modem - on that basis, I was informed that I DO NOT NEED TO SET UP THE VPN TUNNEL - is this true? How do I set it up if it is not true?
4) How can I get Remote Desktop Connections work on EACH AND EVERY computer at the office - so that I can log on to them from anywhere on the plant? Do I have to have  new ports or IP addressees for each and every computer? (A tech support fellow told me that I do not need to make my within office LAN a static IP network - this does not seem right to me. If the IP address changes, then I won't be able to log onto a particular computer. Or, I may want to log on to a computer, make note of the IP address for the computer, go home, and then, by the time I get home, find out that a new IP address has been given to the computer. NOTE - I have opend up port 3389, I think-- should I do this under Port Range Forwarding, Port Triggering or UPnP Forwarding?
5) Should I or must I invest VNC software?
6) What ports must I open? Does Word Perfect need to have a port open?
7) WHAT EXACTLY IS VPN?! Should it not allow me to do something more than logging onto a stupid router and manage it? HOW? How the heck do I get this VPN thing to work?!?!?
NOTE: wrv54G firmware 2.39.2
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