Guest

Cisco Aironet 1400 Series

Field Notice: FN - 62588 - BR1410 Radio Resets with Over Temperature Detected Message When Cold


November 30, 2006

NOTICE:

THIS FIELD NOTICE IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTY OF MERCHANTABILITY. YOUR USE OF THE INFORMATION ON THE FIELD NOTICE OR MATERIALS LINKED FROM THE FIELD NOTICE IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS FIELD NOTICE AT ANY TIME.


Products Affected

Products Affected

AIR1400 - AIR-BR14100A-K9

AIR1400 - AIRBR1410-A-K9-N

Problem Description

BR1410s running IOS versions in the 12.3(8)JA, 12.3(8)JEA or 12.3(11)JA branch may fail in the field as the temperature drops.

The bridge syslog will report the spurious message:

Interface Dot11Radio0 Radio over temperature detected

and the radio interface will intermittently go down.

Background

Ambient temperature is anywhere between 32 degrees Fahrenheit to 0 degrees Fahrenheit, but the BR1410 reports an over temperature warning.

Problem Symptoms

A running BR1410 continuously reports:

Interface Dot11Radio0 Radio over temperature detected .

Workaround/Solution

Workaround:

Customers need to downgrade their 1410 Wireless Bridge Software to version 12.3(7)JA.

The image is available on Cisco.com.

See the download instructions below:

  1. Login onto Cisco.com.

  2. Go to the IOS Upgrade Planner - 1410 Wireless Bridge - Release 12.3 (registered customers only) page.

  3. Select 12.3.7-JA3 (ED) from the table below.

Solution:

None

DDTS

To follow the bug ID link below and see detailed bug information, you must be a registered user and you must be logged in.

DDTS

Description

CSCsg56375 (registered customers only)

BR1410 radio resets with over temperature detected when cold

Revision History

Revision

Date

Comment

1.0

30-NOV-2006

Initial Public Release

For More Information

If you require further assistance, or if you have any further questions regarding this field notice, please contact the Cisco Systems Technical Assistance Center (TAC) by one of the following methods:

Receive Email Notification For New Field Notices

Product Alert Tool - Set up a profile to receive email updates about reliability, safety, network security, and end-of-sale issues for the Cisco products you specify.