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Standard User bofh5
(newbie) Mon 23-Jan-17 11:49:23
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RESYNC Reason Code 4 MIS


[link to this post]
 
Hi All
Can anyone help with why i'm getting resyncs with the reason code 4 Misdetection ?
My connection has been awful since BTOR repaired the line.
I get a lot of RDI: Remote Defect Indicator/DLM but now i'm getting MIS: Misdetection.
The last one caused my downstream speed to drop from 20814 (Kbps) to 6811(Kbps).
I've finally convinced Sky to send an engineer out and this time i'm going to be at home want to be armed with as much info as possible to get the fault sorted for good.
Cheers
J
Administrator MrSaffron
(staff) Mon 23-Jan-17 11:54:53
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Re: RESYNC Reason Code 4 MIS


[re: bofh5] [link to this post]
 
Never head of reason code 4 - what hardware is generating the message

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User bofh5
(newbie) Mon 23-Jan-17 11:59:49
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Re: RESYNC Reason Code 4 MIS


[re: MrSaffron] [link to this post]
 
its from https://www.mydslwebstats.co.uk/Container.htm Resyncs LOS etc
username is bofh5


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Standard User tbailey2
(committed) Mon 23-Jan-17 12:52:03
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Re: RESYNC Reason Code 4 MIS


[re: MrSaffron] [link to this post]
 
In reply to a post by MrSaffron:
Never head of reason code 4 - what hardware is generating the message

Broadcom Modem and this has the list below in the source code.

http://forum.kitz.co.uk/index.php/topic,11349.msg220...

Text
1
23
45
67
89
1011
1213
1415
1617
1819
/*  line-drop reason code */
#define kRetrainReasonLosDetector                   0#define kRetrainReasonRdiDetector                   1
#define kRetrainReasonNegativeMargin                2#define kRetrainReasonTooManyUsFEC                  3
#define kRetrainReasonCReverb1Misdetection          4#define kRetrainReasonTeqDsp                        5
#define kRetrainReasonAnsiTonePowerChange           6#define kRetrainReasonIfftSizeChange                7
#define kRetrainReasonRackChange                    8#define kRetrainReasonVendorIdSync                  9
#define kRetrainReasonTargetMarginSync             10#define kRetrainReasonToneOrderingException        11
#define kRetrainReasonCommandHandler               12#define kRetrainReasonDslStartPhysicalLayerCmd     13
#define kRetrainReasonUnknown                      14#define kRetrainReasonG992Failure                  15
#define kRetrainReasonSes                          16#define kRetrainReasonCoMinMargin                  17


No idea what CReverb1Misdetection actually means though...

Tony
Hurstpierpoint, West Sussex SDHRSTP, Cab 4
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Edited by tbailey2 (Mon 23-Jan-17 16:24:24)

Standard User BatBoy
(sensei) Mon 23-Jan-17 13:15:09
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Re: RESYNC Reason Code 4 MIS


[re: tbailey2] [link to this post]
 
In reply to a post by tbailey2:
No idea what Misdetection actually means though...
It's more accurate to consider Reverb Misdetection.
Standard User bofh5
(newbie) Mon 23-Jan-17 14:01:38
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Re: RESYNC Reason Code 4 MIS


[re: BatBoy] [link to this post]
 
I have an open reach engineer coming out on the 2nd so i'm going to show him the stats i've collected and see if he can make sense of it.
I know i'm never going to get a meg quick speeds but when my attainable upstream is 1.2Meg and i only get 0.6 its annoying.
Then there's the constant reconnects and my download speed drops like a rock.
I'll settle for a stable line so fingers crossed.
Standard User RobertoS
(elder) Mon 23-Jan-17 14:11:51
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Re: RESYNC Reason Code 4 MIS


[re: BatBoy] [link to this post]
 
"CReverb1 ..." smile.

Kindness isn't going to cure the world of all its awfulness but it's a good place to begin. Daisy Ridley.
My broadband basic info/help site - www.robertos.me.uk. Domains, site and mail hosting - Tsohost.
Connection - AAISP Home::1 80/20. Sync 54999/14466Kbps @ 600m. BQMs - IPv4 & IPv6

Edited by RobertoS (Mon 23-Jan-17 14:12:28)

Standard User BatBoy
(sensei) Mon 23-Jan-17 14:20:58
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Re: RESYNC Reason Code 4 MIS


[re: RobertoS] [link to this post]
 
True. It's all a bit too complex in ITU-T G.992.5 for me to grasp wink
Administrator MrSaffron
(staff) Mon 23-Jan-17 14:26:50
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Re: RESYNC Reason Code 4 MIS


[re: BatBoy] [link to this post]
 
And unless you get one of those who wrote the standards within BT Group attending the engineer will just ignore it...or worse ignore you and the fault

Stick to the simple explanations on disconnects and frequency.

The Reverb Misdirection seems to be an error being spotted in how timing is handled, and timing is a key part of keeping DSL operating.

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User bofh5
(newbie) Mon 23-Jan-17 14:48:55
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Re: RESYNC Reason Code 4 MIS


[re: MrSaffron] [link to this post]
 
Ok i'll keep it simple smile
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