I asked about using a pc almost as a "router" and although it's a solution, I tought about just buying a second router to act as a "bridge" between my connection. (Reason: I don't want to have to keep my laptop turned on just to use the other devices)
Here is my setup now: in room1 I have router1. In room3 I have a laptop with a wireless connection, getting an ip by DHCP.
I want to buy another router(router2), put in room3, and connect two devices using ethernet cable(my tv and my ps3): this router2 should act just a a signal repeater (don't know if this is the correct term). All the devices connecting by ethernet cable should receive an ip from router1 dhcp, not from router2(since it's doing just a "bridge" from the other router).
My router1 is a Dlink DIR-300. Is it possible to create this setup I'm thinking of?
Answer
Yes. What you want to do is called a wireless bridge, and it is possible. Not all home routers support it, so do your research ahead of time. The free DD-WRT and Tomato firmware support this and work well, so if you get a router which supports one of those, it would work. The WRT54GL works very well for DD-WRT and can do bridging.
The way bridging works is the router acts as a wireless client, meaning it connects to the existing wireless network. It doesn't matter what kind of router set up the existing wireless network. You can then connect computers to the 2nd router's ethernet ports.
DD-WRT Wireless Bridge Mode documentation
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