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notbob...
Posted: Mon Nov 08, 2010 9:08 am
 
I may be hooking to a commercial wifi network. I don't want to buy
wifi NICs for all my computers, so was wondering if there is such a
thing as a stand-alone wifi -> router (or switch) device that would
work like a modem. Wifi sig is received and routed to LAN boxes. I
can set up a linux box gateway and I still have an old router/switch,
but it seems to me someone makes a dedicated device like this. Or do
they?

nb
 
Douglas Mayne...
Posted: Mon Nov 08, 2010 9:08 am
 
On Mon, 08 Nov 2010 14:08:13 +0000, notbob wrote:

Quote:
I may be hooking to a commercial wifi network. I don't want to buy wifi
NICs for all my computers, so was wondering if there is such a thing as
a stand-alone wifi -> router (or switch) device that would work like a
modem. Wifi sig is received and routed to LAN boxes. I can set up a
linux box gateway and I still have an old router/switch, but it seems to
me someone makes a dedicated device like this. Or do they?

nb

I don't know of a dedicated device that does this, but I haven't looked

that hard. I did find that the "Tomato Firmware" appears to do what you
want. The key terms to google are "wireless ethernet bridge" and
"wireless distribution system." BTW, the wikipedia article shows that the
Tomato firmware has some nice features, including nice utilization graphs.
I guess, look for a device compatible with the firmware.

p.s. Of course, as you mention, it is possible to "roll your own" router,
say with a base install of Slackware 13.1.

--
Douglas Mayne
 
Grant Edwards...
Posted: Mon Nov 08, 2010 9:08 am
 
On 2010-11-08, notbob <notbob at (no spam) nothome.com> wrote:

Quote:
I may be hooking to a commercial wifi network. I don't want to buy
wifi NICs for all my computers, so was wondering if there is such a
thing as a stand-alone wifi -> router (or switch) device that would
work like a modem. Wifi sig is received and routed to LAN boxes. I
can set up a linux box gateway and I still have an old router/switch,
but it seems to me someone makes a dedicated device like this. Or do
they?

What you want is a Wifi<->Ethernet bridge and router/firewall:


V +-----
| +--------+ +----------+ | your
| | | | NAT | +----- local
+---+ Bridge +----+ +----+ machines
| | | Firewall | +----- on
+--------+ +----------+ | LAN
+-----

You can buy a Wifi/Ethernet bridge off the shelf and hook it to an
off-the-shelf NAT firewall. But, it's lot cheaper and easier to buy
any of the off-the-shelf WAPs that can run OpenWRT firmware and
configure it to run in "routed client mode" using NAT:

http://wiki.openwrt.org/doc/recipes/routedclient

You want to use the "masquerading" method.

I like the UI from the X-WRT project:

http://x-wrt.org/

--
Grant Edwards grant.b.edwards Yow! Are you still an
at ALCOHOLIC?
gmail.com
 
Robert Heller...
Posted: Mon Nov 08, 2010 10:07 am
 
At Mon, 08 Nov 2010 14:08:13 GMT notbob <notbob at (no spam) nothome.com> wrote:

Quote:


I may be hooking to a commercial wifi network. I don't want to buy
wifi NICs for all my computers, so was wondering if there is such a
thing as a stand-alone wifi -> router (or switch) device that would
work like a modem. Wifi sig is received and routed to LAN boxes. I
can set up a linux box gateway and I still have an old router/switch,
but it seems to me someone makes a dedicated device like this. Or do
they?

There is a Linksys device that does this:

http://www.amazon.com/Cisco-Linksys-WET11-Wireless-Ethernet-Bridge/dp/B000066JQU

Quote:

nb


--
Robert Heller -- 978-544-6933 / heller at (no spam) deepsoft.com
Deepwoods Software -- http://www.deepsoft.com/
() ascii ribbon campaign -- against html e-mail
/\ www.asciiribbon.org -- against proprietary attachments
 
The Natural Philosopher...
Posted: Mon Nov 08, 2010 10:17 am
 
Robert Heller wrote:
Quote:
At Mon, 08 Nov 2010 14:08:13 GMT notbob <notbob at (no spam) nothome.com> wrote:


I may be hooking to a commercial wifi network. I don't want to buy
wifi NICs for all my computers, so was wondering if there is such a
thing as a stand-alone wifi -> router (or switch) device that would
work like a modem. Wifi sig is received and routed to LAN boxes. I
can set up a linux box gateway and I still have an old router/switch,
but it seems to me someone makes a dedicated device like this. Or do
they?

There is a Linksys device that does this:

http://www.amazon.com/Cisco-Linksys-WET11-Wireless-Ethernet-Bridge/dp/B000066JQU

nb


Not sure that does what you want here: that's a pair designed to bridge

two ethernet segments.

I think the devices that you DO need are WAPs - wireless access points.
Loads to choose from.

Just check that the one you select works in client mode.
 
 
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