Long Range Wireless Technology

For kernel after 2. 2. 142. 3.

The tools and the wireless library are GPL. Hack the various files in etcpcmcia until it loadsthe correct driver grep is your friend.If you still cant it, or if you find no suitable driver,complain to the driver maintainer. I try to change specific parameter with iwconfig, itjust returns an error messageCheck reading parameters and setting other parameters. If setting all parameters fail, see first two questions. No card support the full range of Wireless Extension, so yourhardware or firmware not have this feature. Check the Windows driver and card documentation to see if the feature is supported.

Further down, you will find FAQ about commonproblems. Ability to run with multiple version of WirelessExtensions. In the rare cases where your kernel isnt compiled with WirelessExtensions procnetwireless nonexistent, you need to apply the full patch tothe kernel. See below for the patches. Try the latest version. For driver with otherwise rich support, its more likely ahardware limitation. The Wireless Extensions and Wireless Tools version numbers willnot match with each other. Starting with Wireless Tools 27, Wireless Toolscan handle multiple versions of Wireless Extension withoutrecompile. The tool redirector is obsolete and removed.

The command iwconfig version gives you the detail ofyour setup. For kernel after use Wireless Tools version27 or greater. believe this has been fixed for good. In the old time, you could upgrade Wireless Extensions by justchanging wireless. h. After recompiling kernel with Wireless Extension, you have torecompile your driver or your driver version not export thisparticular feature. For driver with limited support, it might be adriver limitation. Check the driver documentation to see if the feature is supported. Lastly, ask the maintainer if it is hardware, software ordocumentation limitation and what to do about it. iwconfig crashes after displaying valid info…

For kernels before 2. 2. 142. 3. 30, use Wireless Tools version27 or greater. Compilation of the Wireless Tools see above.iwconfig says Warning Driver for device XXXXrecommend version XX of Wireless ExtensionIgnore, unless you cant configure your card. Upgrade your kernel, and recompilereinstall kernelmodulestools. When compiling the Wireless Tools, it complains thatIFLA_WIRELESS is undeclaredUse Wireless Tools version or later, which fixes this issue.

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