[c-nsp] EARL L2 ASIC Search Engine has failed

Jason Lixfeld jason at lixfeld.ca
Thu May 31 08:56:04 EDT 2012


On 2012-05-30, at 3:27 AM, Phil Mayers wrote:

> On 05/29/2012 11:49 PM, Jason Lixfeld wrote:
>> Hi Piotr,
>> 
>> Both linecards (including DFCs), chassis and power supplies were
>> replaced.
>> 
>> The only common element left is the Supervisor.  The standby
>> Supervisor was replaced on a prior RMA, but there has been no
>> (obvious) indication on either the part of TAC or myself to suggest
>> the active Supervisor is somehow responsible.
>> 
>> The chassis was rebooted this most recent time and has cleared the
>> error and it hasn't resurfaced in the few days since, but that
>> doesn't give me much comfort.
>> 
> 
> It could easily just be a software bug; I'm a bit surprised TAC didn't suggest such. Similar (but different) TCAM mis-programming errors were endemic on early 12.2(33)SX releases on the 6500 (same hardware).

Indeed.  I'm still waiting to hear back on what their findings are; whether we should RMA more hardware or whether someone can find a bug somewhere.

> Do you have any upgrade/downgrade options available?

We're running 15.2(2)S and has been highly touted by my account team as being pretty stable and having a long lifecycle.

> With regards deciding if hardware is faulty; have you run a full (including all the disruptives) GOLD diag set?

I've run:

'diagnostic start module <1-9> test all' to test all the modules.  All seem to have passed.  Not sure if there are other diags to run.

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