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Standard User TheHorseman
(knowledge is power) Mon 20-Apr-15 21:02:02
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Sync speed nosedived


[link to this post] 		 
Hi all, it looks like my modem re-synced just under 8 hours ago. Sync is now 52101/20000 down from ~77xxx/20000 a couple of weeks ago.

I don't think that it is G.INP as I have a HG612 (unlocked) and firmware is B030SP08. Anyone else seen this?

BT -> Zen -> F2S -> Bulldog -> Be* -> BT Infinity 2 -> Plusnet Unlimited Fibre Extra
Say it with flowers, give her a Triffid smile
Standard User RobertoS
(elder) Mon 20-Apr-15 23:24:50
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Re: Sync speed nosedived


[re: TheHorseman] [link to this post] 		 
As it's unlocked, how about posting the xdslcmd info --show output?

My broadband basic info/help site - www.robertos.me.uk. Domains, site and mail hosting - Tsohost.
Connection - Plusnet UnLim Fibre (FTTC). Sync 60000/16961kbps @ 600m. - IPv4BQM IPv6BQM
Standard User TheHorseman
(knowledge is power) Tue 21-Apr-15 10:20:14
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Re: Sync speed nosedived


[re: RobertoS] [link to this post] 		 
I'll post that this evening when I get home from work. I have a --show from before the drop so I'll post that too as a comparison. The BT speedtest tells me nothing is wrong even though my speed is now below the estimate.

I suppose OR think it is perfectly ok to lose one third of my speed in one go.

BT -> Zen -> F2S -> Bulldog -> Be* -> BT Infinity 2 -> Plusnet Unlimited Fibre Extra
Say it with flowers, give her a Triffid smile


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Standard User Chrysalis
(legend) Tue 21-Apr-15 16:33:41
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Re: Sync speed nosedived


[re: TheHorseman] [link to this post] 		 
most likely cause at this point is crosstalk from a new subscriber in your area. But as roberto said paste the stats.

Plusnet Fibre Unlimited BQM - IPv4 BQM - IPv6
Standard User TheHorseman
(knowledge is power) Tue 21-Apr-15 19:17:05
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Re: Sync speed nosedived


[re: Chrysalis] [link to this post] 		 
Is a one time loss of 25Mbps likely? There has been a gradual reduction of my attainable rate from around 102Mbps down to 77Mbps. I think that 25Mbps in one re sync is a bit too much.

BT -> Zen -> F2S -> Bulldog -> Be* -> BT Infinity 2 -> Plusnet Unlimited Fibre Extra
Say it with flowers, give her a Triffid smile
Standard User TheHorseman
(knowledge is power) Tue 21-Apr-15 20:04:51
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Re: Sync speed nosedived


[re: RobertoS] [link to this post] 		 
Here are the stats, first the original stats:

xdslcmd: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 0
Last initialization procedure status: 0
Max: Upstream rate = 32583 Kbps, Downstream rate = 77036 Kbps
Bearer: 0, Upstream rate = 20000 Kbps, Downstream rate = 77242 Kbps
Bearer: 1, Upstream rate = 0 Kbps, Downstream rate = 0 Kbps
Link Power State: L0
Mode: VDSL2 Annex B
VDSL2 Profile: Profile 17a
TPS-TC: PTM Mode(0x0)
Trellis: U:ON /D:ON
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 6.2 14.1
Attn(dB): 13.7 0.0
Pwr(dBm): 13.1 3.5
VDSL2 framing
Bearer 0
MSGc: -6 -6
B: 243 97
M: 1 1
T: 0 0
R: 10 8
S: 0.1006 0.1554
L: 20201 5457
D: 8 8
I: 254 106
N: 254 106
Q: 8 8
V: 0 2
RxQueue: 60 39
TxQueue: 20 13
G.INP Framing: 18 18
G.INP lookback: 20 13
RRC bits: 24 24
Bearer 1
MSGc: 186 58
B: 0 0
M: 2 2
T: 2 2
R: 16 16
S: 5.3333 16.0000
L: 48 16
D: 3 1
I: 32 32
N: 32 32
Q: 0 0
V: 0 0
RxQueue: 0 0
TxQueue: 0 0
G.INP Framing: 0 0
G.INP lookback: 0 0
RRC bits: 0 0
Counters
Bearer 0
OHF: 0 0
OHFErr: 0 14
RS: 1879557872 1677076
RSCorr: 275329 9092
RSUnCorr: 0 0
Bearer 1
OHF: 43456684 635824
OHFErr: 0 0
RS: 521479471 2711071
RSCorr: 250 170
RSUnCorr: 0 0

Retransmit Counters
rtx_tx: 4133 4481
rtx_c: 1964 1582
rtx_uc: 0 81

G.INP Counters
LEFTRS: 13 15
minEFTR: 77230 19997
errFreeBits: 822270774 447853505

Bearer 0
HEC: 0 0
OCD: 0 0
LCD: 0 0
Total Cells: 605937123 0
Data Cells: 614385375 0
Drop Cells: 0
Bit Errors: 0 0

Bearer 1
HEC: 0 0
OCD: 0 0
LCD: 0 0
Total Cells: 0 0
Data Cells: 0 0
Drop Cells: 0
Bit Errors: 0 0

ES: 0 3
SES: 0 2
UAS: 53 53
AS: 698040

Bearer 0
INP: 47.00 47.00
INPRein: 0.00 0.00
delay: 0 0
PER: 0.00 0.00
OR: 0.01 0.01
AgR: 77320.70 20102.08

Bearer 1
INP: 4.00 4.00
INPRein: 4.00 4.00
delay: 3 0
PER: 16.06 16.06
OR: 95.62 31.87
AgR: 95.62 31.87

Bitswap: 449622/449623 12914/12946

Total time = 1 days 1 hours 54 min 53 sec
FEC: 275329 9092
CRC: 0 14
ES: 0 3
SES: 0 2
UAS: 53 53
LOS: 0 0
LOF: 0 0
LOM: 0 0
Latest 15 minutes time = 9 min 53 sec
FEC: 192 0
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Previous 15 minutes time = 15 min 0 sec
FEC: 108 1
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Latest 1 day time = 1 hours 54 min 53 sec
FEC: 1316 70
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Previous 1 day time = 24 hours 0 sec
FEC: 31012 432
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Since Link time = 8 days 1 hours 53 min 59 sec
FEC: 275329 9092
CRC: 0 14
ES: 0 3
SES: 0 2
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0

And now the current stats:

xdslcmd: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 1
Last initialization procedure status: 0
Max: Upstream rate = 23628 Kbps, Downstream rate = 48660 Kbps
Bearer: 0, Upstream rate = 20000 Kbps, Downstream rate = 52101 Kbps
Bearer: 1, Upstream rate = 0 Kbps, Downstream rate = 0 Kbps
Link Power State: L0
Mode: VDSL2 Annex B
VDSL2 Profile: Profile 17a
TPS-TC: PTM Mode(0x0)
Trellis: U:ON /D:ON
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 5.5 8.0
Attn(dB): 20.9 0.0
Pwr(dBm): 13.2 7.3
VDSL2 framing
Bearer 0
MSGc: -6 -6
B: 235 97
M: 1 1
T: 0 0
R: 12 8
S: 0.1442 0.1554
L: 13763 5457
D: 8 8
I: 248 106
N: 248 106
Q: 8 8
V: 1 2
RxQueue: 42 39
TxQueue: 14 13
G.INP Framing: 18 18
G.INP lookback: 14 13
RRC bits: 24 24
Bearer 1
MSGc: 122 58
B: 0 0
M: 2 2
T: 2 2
R: 16 16
S: 8.0000 16.0000
L: 32 16
D: 1 1
I: 32 32
N: 32 32
Q: 0 0
V: 0 0
RxQueue: 0 0
TxQueue: 0 0
G.INP Framing: 0 0
G.INP lookback: 0 0
RRC bits: 0 0
Counters
Bearer 0
OHF: 0 0
OHFErr: 0 0
RS: 785805632 1675162
RSCorr: 74113 8140
RSUnCorr: 0 0
Bearer 1
OHF: 1770023 728375
OHFErr: 0 0
RS: 14159688 2812837
RSCorr: 1 184
RSUnCorr: 0 0

Retransmit Counters
rtx_tx: 45115 46696
rtx_c: 28421 27171
rtx_uc: 630192 2860

G.INP Counters
LEFTRS: 741 595
minEFTR: 52097 19997
errFreeBits: 2000482348 981012876

Bearer 0
HEC: 0 0
OCD: 0 0
LCD: 0 0
Total Cells: 2848560928 0
Data Cells: 16871424 0
Drop Cells: 0
Bit Errors: 0 0

Bearer 1
HEC: 0 0
OCD: 0 0
LCD: 0 0
Total Cells: 0 0
Data Cells: 0 0
Drop Cells: 0
Bit Errors: 0 0

ES: 184 42
SES: 142 6
UAS: 398 257
AS: 28432

Bearer 0
INP: 47.00 47.00
INPRein: 0.00 0.00
delay: 0 0
PER: 0.00 0.00
OR: 0.01 0.01
AgR: 52184.34 20102.08

Bearer 1
INP: 2.00 4.00
INPRein: 2.00 4.00
delay: 0 0
PER: 16.06 16.06
OR: 63.75 31.87
AgR: 63.75 31.87

Bitswap: 22291/22292 2328/2333

Total time = 1 days 7 hours 36 min 13 sec
FEC: 4311262 307257
CRC: 8346 139
ES: 184 42
SES: 142 6
UAS: 398 257
LOS: 7 0
LOF: 65 0
LOM: 10 0
Latest 15 minutes time = 6 min 13 sec
FEC: 434 33
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Previous 15 minutes time = 15 min 0 sec
FEC: 674 880
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Latest 1 day time = 7 hours 36 min 13 sec
FEC: 69101 8005
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Previous 1 day time = 24 hours 0 sec
FEC: 351401 32119
CRC: 2322 0
ES: 40 0
SES: 40 0
UAS: 114 74
LOS: 2 0
LOF: 18 0
LOM: 2 0
Since Link time = 7 hours 53 min 51 sec
FEC: 74113 8140
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0

I have tried a quiet line test and it is not completely silent, I can hear a faint buzzing and the occasional click. (corded phone, in phone socket of bt plate, not test socket). I have just noticed that my attenuation seems to have changed to 20.9 from 13.7

BT -> Zen -> F2S -> Bulldog -> Be* -> BT Infinity 2 -> Plusnet Unlimited Fibre Extra
Say it with flowers, give her a Triffid smile
Standard User think26872
(committed) Tue 21-Apr-15 21:59:58
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Re: Sync speed nosedived


[re: TheHorseman] [link to this post] 		 
I had a drop of 20-25Mb in one go after a long period of gradual loss of db that kept me above 80/20 now stuck at 57/19. Not got GINP or Vectoring yet.
Standard User jchamier
(eat-sleep-adslguide) Tue 21-Apr-15 22:13:52
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Re: Sync speed nosedived


[re: think26872] [link to this post] 		 
In reply to a post by think26872:
I had a drop of 20-25Mb in one go after a long period of gradual loss of db that kept me above 80/20 now stuck at 57/19. Not got GINP or Vectoring yet.


I wonder if your cabinet has GINP and your modem doesn't have the right firmware?

plusnet unlimited fibre 80/20 product - Installed 2 June 14 - April Sync 57 / 11 with G.INP
16 years UK broadband (Sinxe 1999 ntl:cable trial), Asus RT-AC68U & HG612 - BQM - Speedtest
Standard User think26872
(committed) Wed 22-Apr-15 17:29:45
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Re: Sync speed nosedived


[re: jchamier] [link to this post] 		 
In reply to a post by jchamier:
In reply to a post by think26872:
I had a drop of 20-25Mb in one go after a long period of gradual loss of db that kept me above 80/20 now stuck at 57/19. Not got GINP or Vectoring yet.


I wonder if your cabinet has GINP and your modem doesn't have the right firmware?


No it is ECI cabinet and no GINP according to stats.
Standard User Chrysalis
(legend) Wed 22-Apr-15 17:57:06
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Re: Sync speed nosedived


[re: TheHorseman] [link to this post] 		 
yes with a heavy disturber, I had 2 of them.

Plusnet Fibre Unlimited BQM - IPv4 BQM - IPv6
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