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Cable to wireless to UTP network, is it possible and how?

Posted on 2004-10-04
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Last Modified: 2013-12-14
Hi all!

The situation:
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- 4 students and a webdesigner with basic networking knowledge share a house and all need a I-net connection
- 1 pc is on the main floor, 3 pc's on the first floor and 1 on the second floor, all windows machines but all very different in setup, at least 1 has Wifi connectivity on the motherboard
- Internet connection is provided through a recent euroDOCSIS cablemodem on the main floor which delivers a maximum of 6,6 Mbps download  & 512 Kbps upload
- 4 dynamic IP's are gotten from the ISP
- The landlady is a total *censored* and does not allow to have holes drilled in the walls to get utp cables through
- I-net is needed URGENTLY

The problem:
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How can we get i-net to all machines in such a way that we don't need to drill holes, or use excessive cables (drunken students tripping over utp cables is a too realistic scenario) and in a cheap possible way (students aren't very wealthy ;) and it bares out a complete WiFi network completely me thinks as it is too expensive to get WiFi cards/stations for 4 pcs, I think...)

What I though off:
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- Use  hub to provide pc 1 on main floor and  a wifi station (bear in mind WiFi is kinda new to me)  i-net connection
- have a WiFi enabled Switch on the first floor which serves the 3 pc's through utp cables on the 1st floor and have a long utp cable to serve the pc on the second floor
OR
- have a win2k3 box with WiFi to get the signal and which is going to act as a switch (not as a dhcp though, we need the 4 IP's from the ISP, only 1 should have a local 192.168.x.x IP) providing the pc's i-net with utp

Now could someone tell me if this would work? And if it would work what precisely should be got from hardware (some suggestions on type's would be appreciated too :) ), and which things to look out for? If it doesn't, what would be the best alternative?

Thanks in advance! :)
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Question by:TwEeD
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by:Fatal_Exception
ID: 12220957
By the time you set this up, it will cost just as much as if you would purchase wifi adapters and one wifi AP for the setup.  Additionally, you are adding a lot of headaches into the equation with your setup.  From what I can see you are intending to use ICS on the 2K3 box to share the wifi signal.   ICS is not a stable way to go about this.  And I am not sure what you mean by having one IP address of 192.168.x.x  Why do you need to have Public IP addresses on all computers..??  The idea of a subnetted Private LAN is to run Private IP's internally and use NAT at your router to mask your LAN..

FE
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by:TwEeD
ID: 12224459
Thanks for your time already!

- The 2k3 box was just a thought, I was actually planning more on purchasing a switch to do the sharing work from the first floor, so the wireless connection would be from the modem downstairs up to the switch on the first floor
- I'm not at all familiar with WiFi, the requirements for it (can any pc be wifi enabled with a wifi adapter?) or the costs of it (apart that I know the ISP is charging much to install it). And will security not be a big issue considering the boxes all have different setups and are handled by non-it students (meaning they go "what? can you eat that?" when you talk about a utp cable)
- The reason why we don't want to use private ip's is that at least 2 of the 5 boxes must be available through remote desktop/terminal services, would this be possible in a nat setup?

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Fatal_Exception earned 250 total points
ID: 12226276
*grin*

>>can any pc be wifi enabled with a wifi adapter?<<  Yes, virtually any PC can install a Wifi NIC.  (Although you will find that XP handles Wifi naturally with its own built-in controls)

>>costs<<  Wifi Access Points have dropped considerably in price in the last year.  You can pick up a Linksys AP for less than $50 today.  The NICs are a little expensive when compared to traditional NICs, but they too are starting to come down.

>>security<<  Security in Wifi is always an issue, but if you set it up correctly, it is not a big concern.  You can hide the SID, enable encryption, and set MAC address filtering on the AP so that security is strong.  Since this is done on the AP, the question of your users is a moot point.  As long as you keep them out of the AP interface, and from changing the security settings, you should stay secure.  That being said, you may have to babysit them for a while till they understand that they should not tamper with the settings on their personal systems after you set them up...

>>terminal services<<  On the NAT enabled device (the router) you can use Port Forwarding to push a request for TS (or RDP, webserver access, etc.) from the incoming public address to the internal private IP address.  Unfortunately, this only works with one IP address, but once you are in the private LAN and on a system (TS) you can open another session internally into a second system, as long as that PC is enabled for this.

I am currently writing a new article on this kind of setup for my website.  Depending on my free time, it should be up in the next week or so.  If you want to keep cking, it may be of help.  I will probably place it in the Networking section.  Feel free to nose around a bit if you wish to read any of the other articles on the site..  I have some batch files available, along with some interesting registry edits, for download too.

www.doverproductions.com

FE
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by:Fatal_Exception
ID: 12226322
And if you want get a grin, ck out the link 'MAC Attack' in Miscellaneous...   This came from a MAC friend of mine, and I just had to put it up for all my other MAC friends...  It may take a minute to load on your system, so give it a chance to run...  It is a fairly large file...  (swf file)

FE
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by:TwEeD
ID: 12226332
thank you!!!

been most helpfull to say the least :)

Gonna check the site out!
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by:Fatal_Exception
ID: 12226631
You are welcome..  good luck, and Thank You..!!

FE
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