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Old 10-11-2002, 08:05 PM   #1
Registered: Oct 2002
Location: Michigan
Distribution: Slackware, LFS, Gentoo
Posts: 158

Rep: Reputation: 16
Post Best way to set up a wireless to ethernet bridge? (solved)

Hello all. I'm sure this has been asked many times in the past, but I just need a few quick pointers. Here's what I have:

Cable modem
Router system
Wireless Access Point
Workstation 1
Workstation 2

Pipes refer to ethernet cables, the curly bracket refers to a wireless connection.

The router system has two ethernet cards, with the one facing the hub having the IP address Workstation 1 has an ethernet card and an 802.11b card, address Workstation 2 has one ethernet card, connected to Workstation 1's ethernet card with a crossover cable.

My questions are as follows:

1. What's the best way to forward traffic between Workstation 1's ethernet and wireless interfaces? A NAT setup similar to the Router? Some other method?

2. What kind of IP addresses should the ethernet cards in Workstation 1 and 2 have? 192.168.0.x? Something else?

Thanks in advance for any advice!

Edit: Well, after looking into bridging a little more, I have found that it only works between ethernet interfaces, not 802.11b. This means my only real recourse is NAT, which isn't all that bad I guess.

Last edited by Electrode; 10-12-2002 at 08:06 PM.
Old 10-11-2002, 11:52 PM   #2
Registered: Oct 2002
Location: Michigan
Distribution: Slackware, LFS, Gentoo
Posts: 158

Original Poster
Rep: Reputation: 16
An update:

I checked the LDP and found a mini-HOWTO on using kernel-based bridging support. That answers many of my questions, but there are still some things I don't quite understand:

1. How exactly do I remove the IP address from an interface? Assigning one is trivial, but removing one is something I'm not farmilliar with.
2. The HOWTO says that there should be no IP address bound to any interface in the bridge, but this rig is a workstation, not a dedicated bridge, and as such, at least one device needs an IP, but which one? The wireless adapter, which faces the segment connected to the router, or the ethernet adapter, which faces the 'local' segment?

Again, thanks for any advice.

Edit: I guess I should mention my distro. This particular rig runs a CVS build of LFS from sometime in May 2002. It's in desperate need of a rebuild...

Last edited by Electrode; 10-11-2002 at 11:57 PM.


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