Question about Linksys Wireless-G WRT54GS Router (e125894)

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Linksys WRT54GS shows that it connects, but doesn't really

Our school district recently purchased 10 of these routers to use in our grade school to provide wireless access for laptop use. Upon installing them, the laptops showed that a wireless network was available, but when we connect to it we are unable to receive the Internet or network access of any kind.

I had an online chat session with a linksys technician. He told me that these will not work with our school setup, but wasn't sure why. Can anyone verify this? I'm not sure how to explain our setup, but we have a server room. Our T3 connection comes into this room and connects to a modem which then connects to a router which then connects to hubs and switches. From those, ethernet cables are strung throughout our building to drop boxes. From these drop boxes, ethernet cables are placed into the computers. Our Internet works beautifully with our wired Internet. So...I hook up one of these ethernet cables from the classroom into the WRT54GS, set it up via the IP address online. It acts as if it connects, but when I go to get on the Internet it will not let me.

For some reason, I think there is an IP conflict because since setting one router up, I have received several IP conflict messages on the computers in my lab. When I change the IP address of the router, it freezes up the web page I'm on and I end up having to reset the router.

So many questions...I know. I really just need to know how to set these up on our existing network--or if it can even be done.

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How could I possibly be smarter than the Linksys tech?

Do your computers have fixed IP addresses or obtain DHCP from the main router? You need to know this because you also need to let one or the other serve DHCP. If it were my system, I'd let the main router serve and the access points just exist.

For that to happen, you need to pick a fixed IP address outside of the IP addresses that can be assigned by your equipment, or pick one that is unused by your network devices.

Unplug the WAN cord from the Linksys and set your computer to 192.168.0.5 or 1.5, depending on what the Linksys does by default. Log into the Linksys and make it use a fixed IP address on the WAN side to whatever you need. Now, as I said above, I'd trun OFF LAN DHCP so it gets DHCP from your network router.

Now reset your laptop to use DHCP, power down the Linksys and plug it into the netrwork and power it up. From any computer on your network, you should be able to go to the router's fixed IP address and be looking at the login screen. Log in, change your password, and you should be up and running :-)

Note that there are a TON of variations on this theme, so don't despair if it fails to work. The key is knowing what your network requires.

Carl

Posted on Jan 14, 2009

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