CAM ASIC of WS-C3550-24PWR-SMI is failed

Unanswered Question
Mar 24th, 2009
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CAM ASIC of switch generates a fault below when POST testing.

You can found out the fail under booting log.


flashfs[1]: 9 files, 1 directories

flashfs[1]: 0 orphaned files, 0 orphaned directories

flashfs[1]: Total bytes: 15998976

flashfs[1]: Bytes used: 7788032

flashfs[1]: Bytes available: 8210944

flashfs[1]: flashfs fsck took 8 seconds.

flashfs[1]: Initialization complete.

...done Initializing flashfs.

POST: CPU Buffer Tests : Begin

POST: CPU Buffer Tests : End, Status Passed

POST: CPU Interface Tests : Begin

POST: CPU Interface Tests : End, Status Passed

POST: Switch Core Tests : Begin

POST: Switch Core Tests : End, Status Passed

POST: CPU Interface 2nd Stage Tests : Begin

POST: CPU Interface 2nd Stage Tests : End, Status Passed

POST: CAM Subsystem Tests : Begin

INIT: failed CAM ASIC initializationcisco WS-C3550-24-PWR (PowerPC) processor (revision J0) with 65526K/8192K bytes of memory.

Processor board ID CAT0836K13Q

Last reset from warm-reset

Running Layer2/3 Switching Image



I know that this switch has a hardware fault.

But I have some questions.

1. Does the C3550 have TCAM as well as CAM ?


2. What is the CAM Subsystem ?


3.

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Giuseppe Larosa Wed, 03/25/2009 - 02:16
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Hello Kwangwon,

the CAM is used for MAC adddress learning.


actually the CAM is a TCAM : ternary CAM


CAM means : content addressable memory


You need to open an RMA request I think the switch is not usable


Hope to help

Giuseppe


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