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Originally Posted by zinglebarb
so you have 1 pc directly connected to a modem this in turn share the net wirelessly with other computers? somewhere down the line you want to link a laptop to a computer that is using an internet connection shared by main pc?
I really do not know if this can be done i dont know if a shared connection can be shared again.You will need crossover cable and not straight to network these 2 computers anyway.The wireless access point is of no use without a wireless connection in the last machine you will still be trying to share an already shared connection
I would advise a router at the begining may as well use a wireless one and then maybe the connection can be shared or you could just buy a belkin cardbus wireless adapter for 20 quid from argos  (but of course you dont want to do this yet) |
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see the end of my post: [/edit]
if im reading this write, the ad-hoc is running at 11g or perhaps better, so doing what i say will work but at the reduced 11b speed and tie the laptop down for a while until hes takes your idea of the router (id say at least an 11g+ today) dont bother with a ordinary faster AP, just go straight to the router and a matching speed PCMCIA/cardbus 11g+.
this assumes you want the laptop near the NTL cable modem:
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take the Linksys WAP11 and plug it into the rj45 on your laptop with (i forget?) a straight/or crossover rj45 cable.
take the standard USB cable that came with your NTL cable modem and connect that to both the USB on the modem and the laptop usb.
run up the Linksys WAP11 mini webserver and change all your setting to defaults, change the ad-hoc cards setting to AP mode then ,add the other 2 wireless machines/cards to the WAP11.
run ICS on the laptop and use that as your gateway, done.
to just go back to ad-hoc mode change them back to ad-hoc and reconnect them to each other again.
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for interest only i include this, but its no good for you as is until it can act as an rj45 connected wireless card like my old 3com can, for connecting things like xbox and ps2 to the wireless network for instance.
it will probably only have the ability in that mode to connect to another wireless AP/router
but my old 3com does have ad-hoc also in that mode, so you never know.
at your own risk as always when attempting firmware/rom/etc upgrades............... although your WAP11 might already have the right firmware loaded.
see
http://www.oreillynet.com/pub/a/wire...4/linksys.html
"
Linksys's firmware upgrade 1.4f5, which supports bridging, was released, pulled and then re-released; the version number stayed the same. The two WAP11's I purchased for our multi-office installation came with release 1.3i installed; reports indicate that most units are still being shipped with the older firmware. Initially, the 1.4f5 upgrade utility failed on 1.3i installations, according to BAWUG list contributors, so apparently that's been fixed.
The WAP11 comes with a USB connection for configuration using a Windows-only application. It's critical to be able to use this, as once you've configured the unit, unless you give it a real IP number, you're not going to be able to reach it for reconfiguration without disconnecting it from the wired network.
Linksys provides an SNMP-based package as well, so an enterprising wireless advocate could release a pure SNMP configurator, too, for Linux or other platforms. I'm insane enough that, although I own a PC for testing, I ran Connectix Virtual PC with Windows 98 on a Mac Cube and had no problems accessing the unit over USB.
The firmware updater first installed 1.3k, not separately available, and then 1.4f5. It reported a failure on the latter, but on rebooting the units and reconnecting -- requiring a few USB plugs and unplugs -- the firmware version was reported correctly by the software and the units configured fine. (Oddly, the SNMP software shows the full firmware versioning information, while the USB shows just a fragment.)"
then this
http://www.practicallynetworked.com/..._fw_update.htm
paying attention to this
http://www.practicallynetworked.com/...1ug_bridge.pdf
and the point to point bit 2/3 down the page.
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going back into the old time machine.............
it is possible to connect your laptop to the near pc through
a 'serial laplink' cable and running a fake dialup on both connected machines, although iv never tryed it on xp, but it does work on win95/98se, but again the fake dialup desktop pc was also the gateway, were yours would be the one downstairs i assume, so again an untryed (tested by me) option, that might or might NOT work.
really the simplest and quickest option is just go out and get a cheap USB/
PCMCIA wireless card 14.00 and plug it into your laptop and join the ad-hoc you already have going.................
http://www.allcomputers.co.uk/prodcat.asp?CatID=15
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