Re: Network card for DIY AP?

From: Anthony Valentine <amv@akvalentine.com>
Date: Thu May 05 2005 - 10:29:01 AKDT

The card that I have does this just fine. I bought it a long time ago
and haven't looked at it since I installed it, but I think that it is a
D-Link card. According to lspci and /proc/pci, it appears to be a
D-Link DWL-g650 with a Prism GT chipset:

0000:00:0b.0 Network controller: Intersil Corporation Intersil ISL3890
[Prism GT/Prism Duette] (rev 01)

Bus 0, device 11, function 0:
    Network controller: Harris Semiconductor D-Links DWL-g650 A1 (rev 1).
      IRQ 10.
      Master Capable. Latency=80. Min Gnt=10.Max Lat=28.
      Non-prefetchable 32 bit memory at 0xe2000000 [0xe2001fff].

I'll try to remember to check the actual make and model of the card and
let you know if it is different.

You can set the mode (to Master) using the iwconfig tool in the
wireless-tools package available from
http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Tools.html

From the iwconfig man page:

 mode Set the operating mode of the device, which depends on the
network topology. The mode
              can be Ad-Hoc (network composed of only one cell and
without Access Point), Managed
              (node connects to a network composed of many Access
Points, with roaming), Master
              (the node is the synchronisation master or acts as an
Access Point), Repeater (the
              node forwards packets between other wireless nodes),
Secondary (the node acts as a
              backup master/repeater), Monitor (the node acts as a
passive monitor and only
              receives packets) or Auto.
              Example :
                   iwconfig eth0 mode Managed
                   iwconfig eth0 mode Ad-Hoc

I don't actually use the card much, since anytime I enable WEP the
connection speed slows to a crawl. It isn't a very powerfull server,
and I am gussing the CPU does the encryption and not the card (same
thing happens when using ssh). However, using it without WEP enabled
works great.

Joshua Kugler wrote:

>I'm installing a second computer at home that will be for development and
>internet sharing. I'd like to get rid of my Linksys AP, and just server the
>wireless connection right from the server. I forget the mode in which a card
>must operate to serve as an access point. I know a lot of card can do
>Infrastructure (connect to an AP, right?) and Ad-hoc, which is peer-to-peer,
>but what must a card be able to do to act as an AP?
>
>Thanks!
>
>j----- k-----
>
>
>

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Received on Thu, 05 May 2005 10:29:01 -0800

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