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This is how I think I should physically set up the access point: Connect the Ethernet from the wall to the SBG6580 into one of the four regular Ethernet ports on the back of the 6580, then connect his computer to one of the other four ethernet ports on the back of the 6580. Right? |
depends on where the other end of the cable goes - but i'm assuming the main router that provides the DHCP IP range
So, my two questions now are 1) can I use the cable modem/router (SBG6580) and 2) will it have any detrimental effect on speed for the xbox if he is using it wirelessly?
1) Yes you should be able to use
2) Not sure it should - but if you have the new router in the room, then i assume he could wire the xbox to that new router
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Connecting two (or more) SOHO broadband routers together
Connecting two (or more) SOHO broadband routers together
http://library.techguy.org/wiki/Conn...uters_together
Note: The "primary" router can be an actual router, a software gateway like Microsoft Internet Connection Sharing, or a server connection that has the capability to supply more than one IP address using DHCP server capability. No changes are made to the primary "router" configuration.
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).
For reference, here's a link to a Typical example config using a Netgear router
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