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Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Linux

OL-1376-02

Chapter 3 Installing and Configuring the Client Adapter

Installing the Driver and Client Utilities

You can install the driver and client utilities from the Cisco Aironet Wireless LAN Client Adapters

Drivers and Utilities CD or at Cisco.com. Two install routines are available: one for PCMCIA clients

and one for PCI card clients.

Note This procedure can be performed only by root users (those with administrative rights).

Note Cisco’s Linux driver supports version 2.2.xx and 2.4.xx of the Linux kernel. To determine your kernel

version, type uname -a and press Enter. The name of your computer and the Linux kernel version are

displayed. For example, in Linux montecito 2.2.16-22#1 Wed Aug 8 164906 EDDT 2001 i686 unknown,

montecito represents your computer’s name, and 2.2.16-22 is the kernel version.

Caution If you are using a PCMCIA client adapter, do not insert it into the computer’s PCMCIA slot until the

driver has been loaded; otherwise, the computer could hang. The procedure indicates when the client

adapter should be inserted.

Note If you are using a PCI client adapter, you can install it before you load the drivers. See the “Inserting a

PC Card” section on page 3-14.

Note These instructions are the same regardless of whether you are doing an initial install or upgrading from

a previous version. If you are upgrading, your previous driver and client utilities will be overwritten by

the new ones.

Installation Shell Script Overview

The installation shell scripts are available for PCI and kernel PCMCIA configurations (such as Red Hat

7.2, which ships with kernel PCMCIA enabled). For these systems, execute sh kpciinstall as root. This

program builds and installs the drivers and utilities for these configurations. If you have a PCI card only,

the driver is properly installed and configured, eliminating the need to download card and socket

services.

To remove the drivers and utilities installed by kpciinstall, execute sh kcpiinstall -R. After you have

answered yes to the question asked, the drivers and the utilities are removed from your system. Other

options are provided for installing the utilities or drivers only. Executing sh kpciinstall -id installs and

builds the drivers, and sh kpciinstall -iu installs the utilities.

The options -ru and -rd remove the drivers or utilities repectively. For Red Hat 7.2 this is the kernel

source rpm named kernel-source-2.4.7-10.i386.rpm. You can find this on CD 2 of the Red Hat 7.2

distribution in the directory Red Hat/RPMS. Copy the file to a local directory or install it from the CD

by entering rpm -iv kernel-source-2.4.7-10.i386.rpm. You must have the kernel source installed, and

you can verify the installation by executing ls /usr/src. If the source is installed, you should see the

message “linux-2.4 linux-2.4.7-10.” If you do not see this message, the sources are not installed. If the

kpciinstall script cannot locate the kernel source it prompts you to enter it. The prompt can appear if

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