CamMiss exception in port-asic on Catalyst 3020

[kiyoteru.tanaka]

I have catalyst blade switch 3020. It displays the following message a lot. I would like to know what this message means and what I should do against this. Could you give me any advice?

*******************************************

* CamMiss exception in port-asic 1

*******************************************

The port-asic 1 is used for port 5, 6, 13 and 14.

Switch 1, PortASIC 1 Registers

GlobalPortNumber                   : 00000005 00000006 0000000D 0000000E

There is "camMiss" in ExceptionIndexTable of port-asic.

switch1#show platform port-asic exception asic 1

NoDestIndex: 00000153
DropDestIndex: 00000154
ExceptionIndexTable
===================================
    aclDeny                 0154
               :

    mtuTooLarge             0154
    camMiss                 0154     < ---
    icmpRedirect            0034

Kiyoteru

[Viral Bhutta]

The error message is printed when the TCAM lookup fails because of a
fault with TCAM programming or hardware error with  TCAM itself. 

Can you please send me show version?

Also, have you tried to reload the device? How often are you getting these error messages? Do you have any connectivity issues?

[kiyoteru.tanaka]

I'm sorry my reply is late. And I appreciate your answer for my question.

I've already replaced the device, then this message seems to have disappeared. ( The message appeared every 1 minutes. ) So there might have been something wrong with TCAM as you mentioned.

Let me confirm one more my understanding. "camMiss" in  ExceptionIndexTable of port-asic indicates just destination was dropped from the index (0154:DropDestIndex), right? (so TCAM lookup fails)

Regards,

Kiyoteru

[ปลาวาฬทราย RMUTT CPE IX]

Can you please send me show version?

mukdahan#sho ver
Cisco IOS Software, ME340x Software (ME340x-METROIPACCESSK9-M), Version 12.2(53)SE, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2009 by Cisco Systems, Inc.
Compiled Sun 13-Dec-09 17:46 by prod_rel_team
Image text-base: 0x01000000, data-base: 0x02E00000

ROM: Bootstrap program is ME340x boot loader
BOOTLDR: ME340x Boot Loader (ME340x-HBOOT-M) Version 12.2(44r)EY, RELEASE SOFTWARE (fc1)

mukdahan uptime is 27 weeks, 4 days, 7 hours, 18 minutes
System returned to ROM by power-on
System restarted at 02:01:26 bkk Fri Feb 14 2014
System image file is "flash:/me340x-metroipaccessk9-mz.122-53.SE/me340x-metroipaccessk9-mz.122-53.SE.bin"

This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

If you require further assistance please contact us by sending email to
export@cisco.com.

cisco ME-3400EG-12CS-M (PowerPC405) processor (revision D0) with 131072K bytes of memory.
Processor board ID FOC1439X4F2
Last reset from power-on
3 Virtual Ethernet interfaces
1 FastEthernet interface
16 Gigabit Ethernet interfaces
The password-recovery mechanism is enabled.

512K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address       : B4:A4:E3:A9:FF:00
Motherboard assembly number     : 73-11447-09
Motherboard serial number       : FOC14395SUQ
Model revision number           : D0
Motherboard revision number     : A0
Model number                    : ME-3400EG-12CS-M
System serial number            : FOC1439X4F2
Top Assembly Part Number        : 800-29835-03
Top Assembly Revision Number    : A0
Version ID                      : V03
CLEI Code Number                : COMBU00BRA
Hardware Board Revision Number  : 0x03

Switch Ports Model              SW Version            SW Image                 
------ ----- -----              ----------            ----------               
*    1 16    ME-3400EG-12CS-M   12.2(53)SE            ME340x-METROIPACCESSK9-M

Configuration register is 0xF

Also, have you tried to reload the device?

I will try.

How often are you getting these error messages?

Every 3 seconds.

Thank you very much.