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Author Topic: FTTC Down and Up speed mismatch  (Read 925 times)

Chrysalis

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Re: FTTC Down and Up speed mismatch
« Reply #15 on: June 20, 2017, 10:44:53 PM »

dont know but thought worth raising it to you, I will flash the older firmware back within the next hour.
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Sky Fiber Pro - Billion 8800NL bridge & PFSense BOX running PFSense 2.4 - ECI Cab

kwillers

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Re: FTTC Down and Up speed mismatch
« Reply #16 on: June 20, 2017, 11:59:09 PM »

WWWombat wow that was an amazingly clear explanation thank you

As someone who remembers 1200 baud modems, I guess 10MB up isn't so bad ;-)
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Life is what happens while you're making plans

pfSense 2.4 on APU2 with Zen FTTC 80/20

WWWombat

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Re: FTTC Down and Up speed mismatch
« Reply #17 on: June 21, 2017, 01:09:07 PM »

dont know but thought worth raising it to you, I will flash the older firmware back within the next hour.

Can you do a full "--stats" and "--pbParams" output before & after too? Partly to check that MDWS is logging the right things, and partly to see the power values in the sub-bands.
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Chrysalis

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Re: FTTC Down and Up speed mismatch
« Reply #18 on: June 21, 2017, 02:02:53 PM »

I already did the switch, maybe MDWS has got before and after logged?

Code: [Select]
# adsl info --stats
adsl: ADSL driver and PHY status
Status: Showtime
Last Retrain Reason:    0
Last initialization procedure status:   0
Max:    Upstream rate = 28323 Kbps, Downstream rate = 68165 Kbps
Bearer: 0, Upstream rate = 20000 Kbps, Downstream rate = 67596 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):        6.1             11.8
Attn(dB):        15.0            0.0
Pwr(dBm):        6.6             6.6

                        VDSL2 framing
                        Bearer 0
MSGc:           18              150
B:              239             236
M:              1               1
T:              21              5
R:              0               16
S:              0.1130          0.3771
L:              16992           5410
D:              1               1
I:              240             255
N:              240             255

                        Counters
                        Bearer 0
OHF:            28897698                212466
OHFErr:         72              9
RS:             0               2210458
RSCorr:         0               44
RSUnCorr:       0               0

                        Bearer 0
HEC:            26              0
OCD:            1               0
LCD:            1               0
Total Cells:    2416411854              0
Data Cells:     28847196                0
Drop Cells:     0
Bit Errors:     0               0

ES:             63              9
SES:            0               0
UAS:            24              24
AS:             51633

                        Bearer 0
INP:            0.00            0.00
INPRein:        0.00            0.00
delay:          0               0
PER:            1.78            6.15
OR:             107.46          202.87
AgR:            67703.53        20203.27

Bitswap:        18616/18616             5/5

Total time = 14 hours 20 min 57 sec
FEC:            0               44
CRC:            72              9
ES:             63              9
SES:            0               0
UAS:            24              24
LOS:            0               0
LOF:            0               0
LOM:            0               0
Latest 15 minutes time = 5 min 57 sec
FEC:            0               0
CRC:            1               0
ES:             1               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:            0               0
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 = 14 hours 20 min 57 sec
FEC:            0               44
CRC:            72              9
ES:             63              9
SES:            0               0
UAS:            24              24
LOS:            0               0
LOF:            0               0
LOM:            0               0
Previous 1 day time = 0 sec
FEC:            0               0
CRC:            0               0
ES:             0               0
SES:            0               0
UAS:            0               0
LOS:            0               0
LOF:            0               0
LOM:            0               0
Since Link time = 14 hours 20 min 33 sec
FEC:            0               44
CRC:            72              9
ES:             63              9
SES:            0               0
UAS:            0               0
LOS:            0               0
LOF:            0               0
LOM:            0               0

Code: [Select]
# adsl info --pbParams
adsl: ADSL driver and PHY status
Status: Showtime
Last Retrain Reason:    0
Last initialization procedure status:   0
Max:    Upstream rate = 28365 Kbps, Downstream rate = 68185 Kbps
Bearer: 0, Upstream rate = 20000 Kbps, Downstream rate = 67596 Kbps

Discovery Phase (Initial) Band Plan
US: (6,31) (882,1193) (1984,2770)
DS: (33,857) (1218,1959) (2795,4083)
Medley Phase (Final) Band Plan
US: (6,31) (882,1193) (1984,2770)
DS: (41,857) (1218,1959) (2795,4083)
                  VDSL Port Details               Upstream                Downstream
Attainable Net Data Rate:           28365 kbps              68185 kbps
Actual Aggregate Tx Power:             6.6 dBm                6.6 dBm
====================================================================================
        VDSL Band Status                U0              U1              U2              U3              U4              D1              D2              D3
  Line Attenuation(dB):  1.0     12.1    26.4     N/A     N/A    9.8     22.6    36.6   
Signal Attenuation(dB):  1.2     12.1    26.4     N/A     N/A    12.2    22.4    36.6   
                SNR Margin(dB):  11.6    11.9    11.8     N/A     N/A    6.1     6.1     6.2   
                 TX Power(dBm): -4.7    -26.2    6.2      N/A     N/A    10.6    7.3     7.4   

I am looking to see if I can find historical output of these logged as dslstats runs these commands itself.
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Sky Fiber Pro - Billion 8800NL bridge & PFSense BOX running PFSense 2.4 - ECI Cab

Chrysalis

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Re: FTTC Down and Up speed mismatch
« Reply #19 on: July 15, 2017, 09:14:03 AM »

Can you do a full "--stats" and "--pbParams" output before & after too? Partly to check that MDWS is logging the right things, and partly to see the power values in the sub-bands.

looks like I have the data, I found loads of files that dslstats has saved, will attach.
« Last Edit: July 15, 2017, 09:17:47 AM by Chrysalis »
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Sky Fiber Pro - Billion 8800NL bridge & PFSense BOX running PFSense 2.4 - ECI Cab

tbailey2

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Re: FTTC Down and Up speed mismatch
« Reply #20 on: July 15, 2017, 09:24:03 AM »

If you look back to June 21st on MDWS (30 day view) the overall power levels changed from 4.1/4.1 to 6.6/6.5dB. On Jun 26th dropped to 4.8/4.8dB..

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Chrysalis

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Re: FTTC Down and Up speed mismatch
« Reply #21 on: July 15, 2017, 09:41:24 AM »

yep thanks tony, I posted these 2 files tho as wombat specifically requested them.
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