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Standard User Chrysalis
(legend) Wed 30-Nov-16 16:47:33
Print Post

Re: Moved from Plusnet to Zen and lost ~10Mb off my max rate


[re: Cruncher] [link to this post]
 
I agree with batboy, losing g.inp is the likely reason you lost speed.

Another possible reason also is that the sync speed you had on plusnet was with a low snrm, meaning 'any' resync would reduce your speed isp swap or not.

You didnt provide the snrm figures for the plusnet sync speed.

Sky Fibre Pro BQM - IPv4 BQM - IPv6
Standard User Cruncher
(member) Wed 30-Nov-16 17:14:20
Print Post

Re: Moved from Plusnet to Zen and lost ~10Mb off my max rate


[re: Chrysalis] [link to this post]
 
I agree with batboy, losing g.inp is the likely reason you lost speed.

Isn't G.INP a new thing though? I've had full sync long before G.INP, I got 80/20 in March 2012 with ADSL24 and its been the same ever since. - I'm only asking here as you guys know more than I do.



In reply to a post by Chrysalis:
You didnt provide the snrm figures for the plusnet sync speed.

I don't have them unfortunately The stats in the OP were from the TPLink VR600 with Zen after the switch (which I sent back the other day as it kept dropping the connection) and I didn't think to make a note of the stats with PN before I moved, which in hindsight is a sod. This is one of the reasons I want to unlock the modem now.


I did just find these stats though. I'd forgotten I had them hidden away on my PC. Any help? (I had to exchange the modem hence it was unlocked and isn't now)

They were from when I first moved onto 80/20 in March 2012 and I was with ADSL24 at the time.

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# xdslcmd info --show
xdslcmd: ADSL driver and PHY statusStatus: Showtime
Retrain Reason: 0Max:    Upstream rate = 32937 Kbps, Downstream rate = 90168 Kbps
Path:   0, Upstream rate = 20000 Kbps, Downstream rate = 79999 Kbps 
Link Power State:       L0Mode:                   VDSL2 Annex B
VDSL2 Profile:          Profile 17aTPS-TC:                 PTM Mode
Trellis:                U:ON /D:ONLine Status:            No Defect
Training Status:        Showtime                Down            Up
SNR (dB):        8.8             15.1Attn(dB):        0.0             0.0
Pwr(dBm):        13.3           -4.6 
 # xdslcmd info --pbParams
xdslcmd: ADSL driver and PHY statusStatus: Showtime
Retrain Reason: 0Max:    Upstream rate = 32921 Kbps, Downstream rate = 90168 Kbps
Path:   0, Upstream rate = 20000 Kbps, Downstream rate = 79999 Kbps 
Discovery Phase (Initial) Band PlanUS: (0,95) (868,1207) (1972,2783)
DS: (32,859) (1216,1963) (2792,3939)Medley Phase (Final) Band Plan
US: (0,95) (868,1207) (1972,2783)DS: (32,859) (1216,1963) (2792,3939)
       VDSL Port Details       Upstream        DownstreamAttainable Net Data Rate:      32921 kbps         90168 kbps
Actual Aggregate Tx Power:    -   4.6 dBm          13.3 dBm============================================================================
  VDSL Band Status        U0      U1      U2      U3      D1      D2      D3  Line Attenuation(dB):  2.4     10.3    14.1     N/A    5.9     12.7    20.2
Signal Attenuation(dB):  3.1     9.4     12.9     N/A    5.9     12.7    20.2        SNR Margin(dB):  15.8    15.1    15.1     N/A    8.8     8.8     8.9
         TX Power(dBm): -18.7   -36.2   -4.8      N/A    10.1    7.9     6.9


Edited by Cruncher (Wed 30-Nov-16 17:18:24)

Standard User Chrysalis
(legend) Fri 02-Dec-16 09:14:42
Print Post

Re: Moved from Plusnet to Zen and lost ~10Mb off my max rate


[re: Cruncher] [link to this post]
 
no snr figures for plusnet essentially means you got no idea what the attainable signal was at the time of the move, this is very important information.

e.g. my line right now is synced at over 71mbit/sec, however due to increased crosstalk my snrm has dropped from 6.4db to around 4.7db in the past 6 weeks. Looking at it in very simple terms just at my sync speed it would appear everything is fine, but of course the lower snrm means if I resync the modem, I will sync at a lower speed which the modem estimates to be around 67mbit.

3 year old data is useless.

Sky Fibre Pro BQM - IPv4 BQM - IPv6

Edited by Chrysalis (Fri 02-Dec-16 09:17:13)


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Standard User Cruncher
(member) Fri 02-Dec-16 13:36:09
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Re: Moved from Plusnet to Zen and lost ~10Mb off my max rate


[re: Chrysalis] [link to this post]
 
In reply to a post by Chrysalis:
no snr figures for plusnet essentially means you got no idea what the attainable signal was at the time of the move, this is very important information.

e.g. my line right now is synced at over 71mbit/sec, however due to increased crosstalk my snrm has dropped from 6.4db to around 4.7db in the past 6 weeks. Looking at it in very simple terms just at my sync speed it would appear everything is fine, but of course the lower snrm means if I resync the modem, I will sync at a lower speed which the modem estimates to be around 67mbit.

I hear you, but I forgot to take note of the numbers. I did intend to, but just didn't get round to it. As I said in the OP the only thing I can remember from the PN connection is that the max attainable rate was 77xxx.

In hindsight I wish I had an unlocked modem or had just taking more of an interest in the connection. Frankly as it was working fine I just carried on without giving it a second thought. Now its not I need that data! haha.. Nevermind, its my fault I guess. I've got a lot on at the moment anyway and BB speeds aren't one of them. It's up to 70Mbps at the moment, that'll do for now.

I do intend to unlock the modem either this weekend or next.


3 year old data is useless.
Yeah I understand, and thought as much. Thanks for replying though. smile

Standard User Cruncher
(member) Fri 02-Dec-16 21:33:58
Print Post

Re: Moved from Plusnet to Zen and lost ~10Mb off my max rate


[re: Cruncher] [link to this post]
 
Unlocked the modem tonight, anything of interest? Ta.

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# xdslcmd info --pbParams
xdslcmd: ADSL driver and PHY statusStatus: Showtime
Retrain Reason: 1Last initialization procedure status:   0
Max:    Upstream rate = 26749 Kbps, Downstream rate = 73424 KbpsBearer: 0, Upstream rate = 19999 Kbps, Downstream rate = 73953 Kbps
Bearer: 1, Upstream rate = 0 Kbps, Downstream rate = 0 KbpsDiscovery Phase (Initial) Band Plan
US: (7,32) (871,1205) (1972,2782)DS: (33,859) (1216,1961) (2793,3970)
Medley Phase (Final) Band PlanUS: (7,32) (871,1205) (1972,2782)
DS: (33,859) (1216,1961) (2793,3970)                  VDSL Port Details               Upstream                Downstream
Attainable Net Data Rate:           26749 kbps              73424 kbpsActual Aggregate Tx Power:         -   4.0 dBm               13.4 dBm
====================================================================================        VDSL Band Status                U0              U1              U2        U3              U4              D1              D2              D3
  Line Attenuation(dB):  3.6     11.1    15.9     N/A     N/A    6.9     13.5    21.7Signal Attenuation(dB):  3.6     10.2    14.9     N/A     N/A    8.2     13.4    21.6
SNR Margin(dB):  16.3    16.5    16.3     N/A     N/A    6.6    6.6     6.6TX Power(dBm): -18.7   -32.2   -4.3      N/A     N/A    10.4    7.9     7.0
# 
  xdslcmd info --showxdslcmd: ADSL driver and PHY status
Status: ShowtimeRetrain Reason: 1
Last initialization procedure status:   0Max:    Upstream rate = 26789 Kbps, Downstream rate = 73424 Kbps
Bearer: 0, Upstream rate = 19999 Kbps, Downstream rate = 73953 KbpsBearer: 1, Upstream rate = 0 Kbps, Downstream rate = 0 Kbps
Link Power State:       L0Mode:                   VDSL2 Annex B
VDSL2 Profile:          Profile 17aTPS-TC:                 PTM Mode(0x0)
Trellis:                U:ON /D:ONLine Status:            No Defect
Training Status:        Showtime                Down            Up
SNR (dB):        6.6             16.4Attn(dB):        11.2            0.0
Pwr(dBm):        13.4           -4.0                        VDSL2 framing
                        Bearer 0MSGc:           -6              26
B:              243             237M:              1               1
T:              0               42R:              10              16
S:              0.1051          0.3781L:              19341           5374
D:              8               1I:              254             127
N:              254             254Q:              8               0
V:              0               0RxQueue:                60              0
TxQueue:                20              0G.INP Framing:          18              0
G.INP lookback:         20              0RRC bits:               0               24
                        Bearer 1MSGc:           154             -6
B:              0               0M:              2               0
T:              2               0R:              16              0
S:              6.4000          0.0000L:              40              0
D:              3               0I:              32              0
N:              32              0Q:              0               0
V:              0               0RxQueue:                0               0
TxQueue:                0               0G.INP Framing:          0               0
G.INP lookback:         0               0RRC bits:               0               0
                        Counters                        Bearer 0
OHF:            0               1477327OHFErr:         6               14
RS:             222352456               1890805RSCorr:         76836           212
RSUnCorr:       0               0                        Bearer 1
OHF:            365073          0OHFErr:         0               0
RS:             3650116         0RSCorr:         4               0
RSUnCorr:       0               0 
                        Retransmit Countersrtx_tx:         567502          0
rtx_c:          102             0rtx_uc:         100856          0
                         G.INP Counters
LEFTRS:         24              0minEFTR:        73923           0
errFreeBits:    10589274                0 
                        Bearer 0HEC:            0               0
OCD:            0               0LCD:            0               0
Total Cells:    833908977               0Data Cells:     17842860                0
Drop Cells:     0Bit Errors:     0               0
                         Bearer 1
HEC:            0               0OCD:            0               0
LCD:            0               0Total Cells:    0               0
Data Cells:     0               0Drop Cells:     0
Bit Errors:     0               0 
ES:             23              12SES:            21              1
UAS:            69              48AS:             5864
                         Bearer 0
INP:            49.00           0.00INPRein:        0.00            0.00
delay:          0               0PER:            0.00            3.98
OR:             0.01            64.22AgR:            74028.99        20063.54
                         Bearer 1
INP:            4.50            0.00INPRein:        4.50            0.00
delay:          3               0PER:            16.06           0.01
OR:             79.68           0.01AgR:            79.68   0.01
 Bitswap:        2672/2672               23/23


Standard User BatBoy
(sensei) Fri 02-Dec-16 21:37:12
Print Post

Re: Moved from Plusnet to Zen and lost ~10Mb off my max rate


[re: Cruncher] [link to this post]
 
You have G.INP
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