Wireless laptop used as gateway for desktop PC
I have two PCs I'm trying to use to set up a gateway and workstation. One machine is a laptop with a wireless NIC but no HDD. I'm planning on using this machine's wireless NIC as a gateway using a LiveCD. The other machine is a desktop PC with a LAN NIC that I plan on connecting to the laptop's LAN NIC for connectivity, since the laptop will be getting a wireless signal from a wireless router downstairs. but I was wondering if this setup would work:
1. cable modem ->
2. Linksys wireless router (downstairs) ->
3. wireless laptop (the gateway; upstairs, gets connection from the wireless router) ->
4. desktop PC (will have ethernet cable plugged into the laptop gateway for connectivity)
I'm not very familiar with routers.. so I am just curious to know if a setup like this would even be possible. I've heard issues about connecting routers to routers (my laptop gateway to the Linksys router). My plan is to use iptables/chains to set up the forwarding.
Is there a better way to do what I'm trying to accomplish? Else, would this setup be able to provide connectivity to the desktop machine? That's my main goal: provide the desktop PC connectivity while avoiding dropping $50-60 on a wireless PCI NIC for the desktop..
Newegg has pci nics for under $20. A lot less hassle.
A D-Link 802.11b/g card is $35 on Newegg.com. Can probably look around and find similar deals elsewhere.
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