Cisco Catalyst 6500 Series Switches

Revised April 18, 2006

August 10, 2004

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

Problem Description

Only Enhanced FlexWAN line cards with the Serial Numbers detailed below are affected by this problem.

Enhanced FlexWAN line cards may get power-cycled by the supervisor, due to Switch-Module Configuration Protocol (SCP) keepalive failures.

This problem does not affect the supervisor and is independent of the type of supervisor or Cisco IOS? Software release that is running on the supervisor. Refer to the IOS Software Release Notes to determine the IOS software support for the Enhanced FlexWAN.

As of approximately April 12, 2004, new products that were manufactured under Engineering Change Order (ECO) E077521
or Deviation D073348 are guaranteed to be free of this problem.

To identify the hardware revision refer to the How to Identify Hardware Levels section of this Field Notice.

Background

An issue was discovered in the Enhanced FlexWAN that causes the failure of data transfer between the temperature sensor and the CPU. Environmental variables will continue to read correctly up until the failure occurs.

When the failure occurs the CPU of the line card is consumed waiting for a response from the temperature sensor hence causing the line cards failure to respond to SCP keepalives from the supervisor. As a result the supervisor detects that the line card is unresponsive and attempts to power cycle the line card.

Problem Symptoms

Enhanced FlexWAN line cards may get power-cycled by the supervisor due to SCP keepalive failures. The supervisor resets the Enhanced Flexwan module with the following messages on the SP/RP console:

%OIR-6-REMCARD: Card removed from slot[dec],interfaces disabled

%OIR-6-REMCARD: Card removed from slot[dec], interfaces disabled

%OIR-SP-3-PWRCYCLE: Card in module [dec], is being power-cycled off (Module not responding to Keep Alive polling)

If you are running Cisco IOS Software Release 12.2(17D)SXB1 or later, the crashinfo file on the line card will record the following error message:

%ENVM-2-TEMP_SENSOR_READFAIL: Failed to access the Temperature sensor on the line card. Resetting the line card.

When the line card boots up after the reset the temperature sensor access will now be disabled on the line card and the following error message will appear on the RP:

%ENVM-3-TEMP_SENSOR_DISABLED: Access to Temperature sensor on module in slot [dec] is disabled

For further information on the error messages refer to DDTS CSCee33103 (log in required).

Workaround/Solution

Workaround:

There is no known work around for this issue.

Solution:

Cisco recommends a fix-on-fail strategy for this problem.

As of approximately April 12, 2004, new products that were manufactured under Engineering Change Order (ECO) E077521
or Deviation D073348 are guaranteed to be free of this problem.

Service Logistics has known-good inventory at this time. The standard RMA process and delivery times are in effect.

Note: Products that fall within the serial number range listed below are NOT affected by this problem if they have ECO E077521 or Deviation D073348 applied.

DDTS

Follow the bug ID links below to see detailed bug information from Bug Toolkit.

How To Identify Hardware Levels

How to identify the Serial Number of the Enhanced FlexWAN line card throught the Command Line Interface:

Use the show module command to verify the hardware version and serial number of the Enhanced FlexWAN Line card.

Router#show module

Mod Ports Card Type                              Model              Serial No.

--- ----- -------------------------------------- ------------------ -----------

  1   48  48-port 10/100 mb RJ45                 WS-X6148-RJ-45     xxxxxxxxxxx

  2   48  48-port 10/100 mb RJ45                 WS-X6148-RJ-45     xxxxxxxxxxx

  3    0  2 port adapter Enhanced FlexWAN        WS-X6582-2PA       JAB0808075K  <=== SERIAL NUMBER

  5    2  Supervisor Engine 720 (Active)         WS-SUP720-BASE     xxxxxxxxxxx

  6    2  Supervisor Engine 720 (Hot)            WS-SUP720-BASE     xxxxxxxxxxx



Mod MAC addresses                       Hw    Fw           Sw           Status

--- ---------------------------------- ------ ------------ ------------ -------

  1  000e.8481.1724 to 000e.8481.1753   1.4   5.4(2)       8.3(0.63)TET Ok

  2  000f.246b.e250 to 000f.246b.e27f   1.4   5.4(2)       8.3(0.63)TET Ok

  3  000f.23f3.8810 to 000f.23f3.884f   1.0   12.2(17b)SXA 12.2(17b)SXA Ok      <== HW VERSION OF WS-X6582-2PA

  5  000d.6536.118c to 000d.6536.118f   3.1   7.7(1)       12.2(17b)SXA Ok

  6  000d.2910.48e8 to 000d.2910.48eb   3.1   7.7(1)       12.2(17b)SXA Ok



Mod Sub-Module                  Model              Serial        Hw     Status

--- --------------------------- ------------------ ------------ ------- -------

  5 Policy Feature Card 3       WS-F6K-PFC3A       xxxxxxxxxxx   2.1    Ok

  5 MSFC3 Daughterboard         WS-SUP720          xxxxxxxxxxx   2.1    Ok

  6 Policy Feature Card 3       WS-F6K-PFC3A       xxxxxxxxxxx   2.2    Ok

  6 MSFC3 Daughterboard         WS-SUP720          xxxxxxxxxxx   2.2    Ok



Mod Online Diag Status

--- -------------------

  1 Pass

  2 Pass

  3 Pass

  5 Pass

  6 Pass

The photo below shows how to identify the Deviation D073348 and Printed Circuit Assembly Part Number
73-8273-04/73-8273-05 rev A0.

Serial Numbers

Revision History

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:

• Open a service request on Cisco.com
• By email
• By telephone