Hetz Ben Hamo wrote:
Hi Shachar,


I want to set up a wireless network. A few questions:

1. Do I need a wireless HUB, or can two wireless cards communicate with
one another directly?


You mean working in "Ad Hoc" mode? I never tried it myself and wi-fi
routers are pretty cheap these days, specially if you have a guest and
you want to connect his notebook..
Peer to Peer - it's part of the design, needs settings of the connection's manager

You don't need a wireless router. Personally I don't like the integrated device since it limits you in positioning the box for better reception.
Buy an access point:
1. Disable it's dhcp server ( most of them are coming with that and other features ), connect it to your hub/switch/router and that's it. There is a limit on the number of wireless clients per AP.
2. May not related, but note that you may use two or more AP's to serve as bridges, to extend your physical network. Some nodes may connect to another hub/switch and other may be AP. There are inherit limits in each topology - RTFM !


2. What recommended PCMCIA cards are there that work with Linux?


That really depends. I did a small research when I was working at
Softier on these issues, and I can recommend 3 solutions:

A. If you want full open source (no binary only firmwares, binary only
modules) then you'll probably won't find something better then 11MBPS
based cards support (like Cisco's PCMCIA wi-fi cards).
B. Prism G series bases PCMCIA cards have good Linux support with
binary objects (think like NVidia's binary module which can be linked
to any linux kernel) and it can go up to 55MBPS on 802.11G.
C. If you don't mind a full binary only solution for Linux with tons
of wi-fi PCMCIA cards (and some PCI cards) then you should try
LinuxAnt's DriverLoader which works very nice. Note - you'll need the
Windows drivers for those cards since it's using some NDISWAN tricks
to make the driver load as a kernel module + some of their stuff - see
http://www.linuxant.com/driverloader/?PHPSESSID=a95e3de0243b4cf48b970b3e1abba838
for the program as well as what it supports..


3. What recommended PCI cards are there that work with Linux? This is
irrelevant, of course, if I have to have a HUB, as I'm sure an Ethernet
card will cost me less.


Many of the PCMCIA cards comes also as a PCI version with the exact
same chip and the same driver..

Hope this helps,
Thanks,
Hetz

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