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Cisco Catalyst 6500 Series Switches

Field Notice: FN - 29536 - Enhanced FlexWAN Line Cards May Get Power-Cycled By the Supervisor Due to Switch-Module Configuration Prototcol Keepalive Failures


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

Product Affected Top Assembly Printed Circuit Assembly HW Rev.
Part # Rev. Part # Rev.
WS-X6582-2PA 68-1878-04 A0,B0 & C0 73-8273-05 & 73-8273-04 A0 1.1 or earlier

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.

DDTS Description
CSCee33103 (log in required) CWPA2: CWPA2 reset by SUP due to SCP keepalive failure

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


Use the show idprom module [slot] command to determine the Printed Circuit Assembly Part Number of the Enhanced FlexWAN Line card.

Router# show idprom module 9
IDPROM for module #9
(FRU is '2 port adapter Enhanced FlexWAN')
OEM String = 'Cisco Systems'
Product Number = 'WS-X6582-2PA'
Serial Number = 'JAB0811066R'
Manufacturing Assembly Number = '73-8273-05'
Manufacturing Assembly Revision = 'A0'
Hardware Revision = 1.1

Current supplied (+) or consumed (-) = -2.50A

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

Serial Numbers for the affected Enhanced FlexWAN Line cards:

Serial Numbers Serial Numbers Serial Numbers Serial Numbers Serial Numbers Serial Numbers
JAB080705PS JAB0811065Q JAB0808075D JAB081207H5 JAB080705PX JAB0813068P
JAB080705PT JAB0811065X JAB0808075F JAB081207HF JAB080705Q1 JAB0813068Y
JAB080705PU JAB08110662 JAB0808075H JAB081207HY JAB08080752 JAB0813069F
JAB08080751 JAB08110669 JAB0808075M JAB081207J2 JAB08080753 JAB0813069G
JAB08080757 JAB0811066H JAB0808075S JAB081207J8 JAB08080755 JAB0813069U
JAB08080759 JAB0811066K JAB0808075V JAB081207JL JAB0808075J JAB0813069Y
JAB0808075B JAB0811066L JAB0808075X JAB081207JQ JAB0808075N JAB081306AL
JAB0808075L JAB0811066M JAB08110647 JAB081207JR JAB0808075P JAB081306AV
JAB08080761 JAB0811066N JAB08110649 JAB081207K7 JAB0808075Q SAD0748022M
JAB0811064A JAB0811066R JAB0811064J JAB081207KV JAB0808075T SAD0748023J
JAB0811064E JAB0811066Y JAB0811064P JAB081207L3 JAB0808075Y SAD0748023L
JAB0811064Q JAB08110675 JAB0811064S JAB081207L6 JAB08080763 SAD0748023V
JAB0811064R JAB081207HU JAB0811064V JAB0813067X JAB08080766 SAD07480242
JAB0811064T JAB081207J1 JAB08110656 JAB08130682 JAB0811066T SAD07480244
JAB08110652 JAB081207JW JAB0811065D JAB0813069J JAB08110674 SAD07480248
JAB08110654 JAB081207JX JAB0811065R JAB0813069M JAB08110676 SAD07480239
JAB08110655 SAD0748021Y JAB0811065T JAB081306FN JAB08110677 SAD0748023T
JAB08110657 SAD07480223 JAB0811066B SAD0748022R JAB081207H6 SAD0748023X
JAB0811065A SAD0748022A JAB0811066U SAD0748022Y JAB081207HX SAD0748023Z
JAB0811065C SAD0748022K JAB0811066V SAD0748022Z JAB081207L1 SAD07480243
JAB0811065N SAD07480231 JAB08110670 SAD07480232 JAB081207L8
JAB0811065P SAD07480236 JAB081207H4 SAD07480233 JAB0813068M

Revision History

Revision Date Comment
1.3 18-APR-2006 Removed Umpire Form
1.2 26-OCT-2005 Maintenance Update
1.1 17-AUG-2004 Maintenance Update
1.0 11-AUG-2004 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: