Wireless bridge linux box with 2 NICs, one wireless
I don't want to be unnecessarily verbose, but I would like the reader to understand what I am doing, or trying to do.
I have many extra parts, and even a spare wireless NIC that is supported in linux. I have a firewall with four regular old NICs: DHCP for the trusted side of the network, a DMZ for machines running public internet services, such as ftp, http, pop, ntp, etc; outside network for the internet connection, and a DMZ-like network interface for wireless.
The firewall does not support wireless NICs, so I want to connect another linux box configured with a standard NIC and a wireless NIC, to be what I think is called a 'bridge appliance' between the wireless clients connected via the wireless NIC on the bridge appliance, which is then connected with a xover cable from the standard NIC on the bridge bridge appliance to the DMZ-like wireless network interface on the firewall, which is also a DHCP server, nat, router, web proxy, ids, and a few other things.
Will it work to TX/RX wireless b/g communication on a linux box with an ordinary SMC2802w wireless card, adhoc with a lappy, and use an additional rj45 NIC to connect to the firewall box with a xover cable? I think this bridge appliance might also be called a 'wireless bridge'. I don't know if ordinary wireless NICs can do what I'm asking. Is it really as simple as bridging the wireless NIC with the wired NIC on the wireless appliance, and connecting the wireless appliance to the firewall box?
Laptop > linux based wireless appliance wireless NIC > linux based wireless appliance wired NIC > xover cable > wireless interface NIC on firewall > internet and pinholes to the trusted network.
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