Accessing computer across two home-networks

I have a DSL connection using a THOMSON TG787 DSL Gateway. This combo provides also an Ethernet network and a wireless one. Now, I live in a three-story home. The TG787 is on the ground floor where it creates a Wi-Fi network for the whole floor. However, this network has poor coverage of the first floor (bedrooms) and no coverage in the second floor (living room and office). In the second floor, I have an Ethernet socket allowing for access to the TG787. I have used it to establish a second wireless network using a GIGABYTE GN-BR01G router. Coverage on second floor is great but it does not attain the first floor (concrete house with thick walls. My main computer (having all my media) is in the office in the second floor. Following picture depicts setup:

http://picasaweb.google.com/lh/photo/czB9oOGHV59jgQGFZQZkzA?feat=directlink

Now, I am trying to get music in the bedrooms using NOXON 2 Audio Wi-Fi music player sets. NOXON does get into the THOMSON Wi-Fi network coming from the ground floor, but cannot attain the GIGABYTE wireless network coming from the top floor. So, I can listen to Internet radio easy, but cannot get into my music collection sitting in the computer in the top floor office.

My question is: is there a way I can make my music available by allowing NOXON to connect to the GIGABYTE WLAN through the Ethernet connection binding it to the THOMSON network? What would be the steps to do it?

I am mildly strict about security issues. TheTG787 is WPA protected and the GN-BR01G is WEP protected. I do not need to secure much the network in-house, as we are all quite sensible in what we do to our files, but I want to keep strangers (from outside) off the network.

My computer runs Windows Vista.

 

The GIGABYTE GN-BR01G router created a second network.

Take the Ethernet connection coming from downstairs and plug it into a LAN port instead of a WAN port on the GIGABYTE GN-BR01G router.

Second, Turn off DHCP on the GIGABYTE GN-BR01G router.

Third, give the GIGABYTE GN-BR01G router an IP address that is in the same subnet of your Ground Floor router.
For example: If the ground floor routher hands out addresses starting at 192.168.1.100 and has a default gateway of 192.168.1.1 I would give the GIGABYTE GN-BR01G router a IP of 192.168.1.2 and put a piece of tape on the back of it with that address so you can remember what address it's at.
That turns your GIGABYTE GN-BR01G router in an Access Point with a 4 port switch.

Now its possible the GIGABYTE GN-BR01G router has an access point mode I havent read the manual.

 

Hi Scott,

Sorry it took me a while to read your very helpful post.

I have read thoroughly the GIGABYTE manual and I can't find any reference to an Access Point mode, so I am about to try your suggestion. Now, I just want to make sure I understood it well. You mean I should plug the cable coming from downstairs into one of the LAN ports in the GIGABYTE GN-BR01G router numbered from 1 to 4? I'm asking this because I always assumed those would be used to connect client computers or devices. Just to make sure this is what you want me to do, here is a pic of the back of the router:
http://picasaweb.google.com/lh/photo/5CBZ6f4pfzkZ-XCfL0ON7A?feat=directlink

Please bear with me, I am rookie in terms of networks, just do not want to goof up anything.

Regards.

Antonio

 

Yep that's it. The lan ports are just like a switch.

Just remember to turn off DHCP on that box and give it a unique IP FIRST!

 

Hi Scott,

It worked fine this time, I have now one unique wireless network in the whole house. The network now is like this:
http://picasaweb.google.com/lh/photo/9sZmcuWP5oHilOmNLkzfZw?feat=directlink

Now, I can easily access all music in the music server.

However, the fact that the signal is low, even when coming from the ground floor router, means I have a lot of break-ups that eventually make listening to music a frustrating experience. Can I setup a second AP using another GN-BR01G? And is this a better solution than getting a signal extender?

I have tried so-called booster or extender antennas but the results did not improve.

What's your opinion?

 

Tony,

In the first floor, where the bedrooms are, I have no Ethernet cable and my problem is exactly that I am trying to avoid installing one there, as I would have to do extensive masonry work. So, the answer cannot be an Ethernet connected standalone router working as an AP. I need to have the repeater device pick up and re-transmit the signal wirelessly.