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Old 02-25-2008, 07:21 AM   #3 (permalink)
johnwill
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Join Date: Sep 2002
Location: S.E. Pennsylvania, US
Posts: 31,468
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Re: Setting up a new wireless router

Your problem is not the same as the previous poster's issue. Your Westell 6100 and the
Linksys WRT54G use the same base address of 192.168.1.1. This being the case, the second router can't get a connection through the Westell.

You can solve the problem a couple of ways.

Configure the Westell 6100 in bridge mode, which eliminates the NAT layer and makes it a simple modem.

Configure the secondary modem as follows, which makes it into a wireless switch.

Connecting two (or more) SOHO broadband routers together.

Configure the IP address of the secondary router(s) to be in the same subnet as the primary router, but out of the range of the DHCP server in the primary router. For instance DHCP server addresses 192.168.0.2 through 192.168.0.100, I'd assign the secondary router 192.168.0.254 as it's IP address, 192.168.0.253 for another router, etc.

Note: Do this first, as you will have to reboot the computer to connect to the router again for the remaining changes.

Disable the DHCP server in the secondary router.

Setup the wireless section just the way you would if it was the primary router, channels, encryption, etc.

Connect from the primary router's LAN port to one of the LAN ports on the secondary router. If there is no uplink port and neither of the routers have auto-sensing ports, use a cross-over cable. Leave the WAN port unconnected!

This procedure bypasses the routing function (NAT layer) and configures the router as a switch (or wireless access point for wireless routers).
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