Intermittant loss of connectivity during extended inactivity

Unanswered Question

I am working with a customer who is experiencing an intermittant loss of network connectivity after (or during) long periods of inactivity, such as overnight. Details of the environment include:

Dell Latitude D820 notebook (integrated wireless disabled)

Cisco Aironet Wireless PC Card Adapter (Aironet 802.11 A/B/G model AIR-CB21AG-A-K9)

Driver version 3.0.0.104 (5-19-2006)

Operating System: WinXP SP2

Notebook Power Management: Disabled

Cisco Wireless Power Management: CAM

(Constantly Awake Mode)

AP: AIR-AP1231G-A-K9, updated to A Radio Module AIR-RM21A-A-K9 (making them A-B-G)

AP Software Version: 12.3(8)JEA1

Any thoguhts and/or suggestions would be appreciated, and I'm happy to supply additional information if desired. Thanks!

Alan Breese

I have this problem too.
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scottmac Wed, 05/16/2007 - 16:00

Many/most/all NICs these days have a setting in the Windows NIC properties for "Allow the system to put this device to sleep"

When the NIC "wakes up" ... it doesn't always re-establish connection, or, it might take a noticable time to re-connect.

Check the NIC properties and unclick the auto-powerdown / sleep checkbox.

Good Luck

Scott

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