Cisco Cisco Aironet 350 Wireless LAN Client Adapter Release Notes
6
Release Notes for Cisco Aironet Client Utilities (Version 2.20) and Drivers (Version 2.20) for Windows CE
OL-2552-01
New and Changed Information
Step 23
Select Data Rates under Property. Make sure that Auto is selected in the list of options in the Value box.
Step 24
Click OK. The driver and client utility installation is complete. If the installation was successful, the
client adapter’s green LED blinks.
client adapter’s green LED blinks.
Note
Refer to the Cisco Aironet Wireless LAN Client Adapters Installation and Configuration
Guide for Windows CE for information on configuring your client adapter.
Guide for Windows CE for information on configuring your client adapter.
New and Changed Information
This section describes new and changed information for client utility release 2.20 and driver release 2.20
for Windows CE.
for Windows CE.
Support for HPC Devices with SH4 Processors
The Cisco Aironet client adapter driver and utilities for Windows CE 3.0 now support handheld PCs
(HPCs) with SH4 processors.
(HPCs) with SH4 processors.
Support for Message Integrity Check (MIC)
Windows CE driver version 2.20 supports MIC, a new security feature designed to prevent sophisticated
attacks on your wireless network’s WEP keys. MIC does not need to be enabled on the client adapter; it
is supported automatically in the driver version listed above. However, it must be enabled on the access
point.
attacks on your wireless network’s WEP keys. MIC does not need to be enabled on the client adapter; it
is supported automatically in the driver version listed above. However, it must be enabled on the access
point.
MIC prevents bit-flip attacks on encrypted packets. During a bit-flip attack, an intruder intercepts an
encrypted message, alters it slightly, and retransmits it, and the receiver accepts the retransmitted
message as legitimate. MIC adds a few bytes to each packet to make the packets tamper-proof.
encrypted message, alters it slightly, and retransmits it, and the receiver accepts the retransmitted
message as legitimate. MIC adds a few bytes to each packet to make the packets tamper-proof.
The ACU screen displays the word “(MIC)” next to the current status if MIC is supported by the client
adapter’s driver and is enabled on the access point. If MIC is enabled, MIC statistics are provided by the
Client Statistics Utility (CSU).
adapter’s driver and is enabled on the access point. If MIC is enabled, MIC statistics are provided by the
Client Statistics Utility (CSU).
Note
Access point firmware version 11.10T or greater is required to enable MIC. Refer to the
Cisco Aironet Access Point Software Configuration Guide for instructions on enabling MIC
on the access point.
Cisco Aironet Access Point Software Configuration Guide for instructions on enabling MIC
on the access point.
Note
If you enable MIC on the access point, your client adapter’s driver must support MIC;
otherwise, the client will not be able to associate.
otherwise, the client will not be able to associate.