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Author Topic: Broadcom retrain codes  (Read 18823 times)

ryant704

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Re: Broadcom retrain codes
« Reply #15 on: October 21, 2013, 07:15:49 PM »

No negative margins here cpt'n Percy! (had 8DB margin before re-sync on all bands).

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kitz

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Re: Broadcom retrain codes
« Reply #16 on: October 21, 2013, 10:56:11 PM »

Yes, where is ColinS  I havent seen him for a few days, hope he's ok.
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ryant704

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Re: Broadcom retrain codes
« Reply #17 on: October 22, 2013, 07:08:18 PM »

So Retrain 1 now! :)

RdiDetector

What does it actually mean though, anyone got any ideas?
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Greybeard33

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Re: Broadcom retrain codes
« Reply #18 on: October 22, 2013, 09:18:43 PM »

So Retrain 1 now! :)

RdiDetector

What does it actually mean though, anyone got any ideas?
Remote Defect Indication Detector -
Quote
RDI cells are an OAM function of the ATM layer (PTM too?) "used for reporting remote defect indications in the backward direction"
from Asbokid's post earlier in this thread - not sure I understand this! Although on the "values for bitwise left shift operations" interpretation of the Broadcom codes, advocated by Asbokid, Reason 1 becomes Code 0, LOS Detector (Loss Of Signal?), i.e. 1=2^0. RDI Detector is Reason 2 (2^1) on this interpretation.

I also had a Reason 1 shortly after getting the new firmware - it seemed to be a DLM resync, that was always a Reason 2 with the old firmware. I suspect, based on the very limited evidence so far, that the meanings of the Retrain Reasons may have changed in the new firmware. We have both seen a Reason 1, which was very rare before, and you have also had a Reason 6 - unheard of before?
« Last Edit: October 22, 2013, 09:22:52 PM by Greybeard33 »
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NewtronStar

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Re: Broadcom retrain codes
« Reply #19 on: November 25, 2013, 06:07:21 PM »

Just had a retrain reason 6 and also using the new firmware, the retrain came in at 4:am 25/11/2013 after I powered off the HG612 at 10pm 24/11/2013
« Last Edit: November 25, 2013, 06:16:13 PM by NewtronStar »
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bilbokitz

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Re: Broadcom retrain codes
« Reply #20 on: November 25, 2017, 07:39:45 PM »

Anyone know what retain reason 10000 is?  I had a resync this afternoon and that is the reason specified.

Looks like I had severely errored seconds at that time for some reason.
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ejs

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Re: Broadcom retrain codes
« Reply #21 on: November 25, 2017, 08:36:24 PM »

1<<16 = 0x10000 kRetrainReasonSes

I don't think these codes really matter much, it's not like if you see a certain code that means you need to call out Openreach.
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hacktrix2006

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Re: Broadcom retrain codes
« Reply #22 on: February 07, 2019, 04:57:51 PM »

Does anyone know what Last Retrain Reason: 100000 is? Its a new one to me as well.

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ejs

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Re: Broadcom retrain codes
« Reply #23 on: February 07, 2019, 06:26:41 PM »

It's unlikely anyone will know, because that list of retrain reason numbers comes from the non-open source parts of the Broadcom code. A couple of very old versions appear to have escaped into the wild by accident, but it would appear no-one has accidentally distributed any more recent versions, or if they have, no-one has noticed.
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