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Author Topic: My FTTC stats  (Read 1959 times)

boost

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My FTTC stats
« on: March 17, 2015, 08:21:24 PM »

At least I now know what MSAN I'm connected to! :)

Code: [Select]
DSLAM/MSAN type:        BDCM:0xa44f / v0xa44f
Modem/router firmware:  AnnexA version - A2pv6C035m.d22g
DSL mode:                VDSL2 Profile 17a
Status:                  Showtime
Uptime:                  47 min 35 sec
Resyncs:                0 (since 17 Mar 2015 20:04:02)

Downstream Upstream
Line attenuation (dB):  0.0 0.0
Signal attenuation (dB): Not available on VDSL2
Connection speed (kbps): 57219 19563
SNR margin (dB):        6.1 6.0
Power (dBm):            14.0 6.0
Interleave depth:        907 657
INP:                    3.00 4.00
G.INP:                  Not enabled

RSCorr/RS (%):          0.0000 0.0110
RSUnCorr/RS (%):        0.0000 0.0000
ES/hour:                0 0


Code: [Select]
xdslcmd info --stats
xdslcmd: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 0
Max: Upstream rate = 24101 Kbps, Downstream rate = 66812 Kbps
Path: 0, Upstream rate = 19563 Kbps, Downstream rate = 57219 Kbps

Link Power State: L0
Mode: VDSL2 Annex B
VDSL2 Profile: Profile 17a
TPS-TC: PTM Mode
Trellis: U:ON /D:ON
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 6.1 5.9
Attn(dB): 0.0 0.0
Pwr(dBm): 14.0 6.0
VDSL2 framing
Path 0
B: 63 29
M: 1 1
T: 64 64
R: 16 10
S: 0.0356 0.0488
L: 17986 6560
D: 907 657
I: 80 40
N: 80 40
Counters
Path 0
OHF: 1702366 622973
OHFErr: 0 0
RS: 326743343 2833038
RSCorr: 12 243
RSUnCorr: 0 0

Path 0
HEC: 0 0
OCD: 0 0
LCD: 0 0
Total Cells: 321005466 0
Data Cells: 150473 0
Drop Cells: 0
Bit Errors: 0 0

ES: 0 0
SES: 0 0
UAS: 20 20
AS: 2916

Path 0
INP: 3.00 4.00
PER: 1.70 4.68
delay: 8.00 8.00
OR: 112.41 41.00

Bitswap: 95 26

Total time = 48 min 58 sec
FEC: 12 243
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 20 20
LOS: 0 0
LOF: 0 0
Latest 15 minutes time = 3 min 58 sec
FEC: 0 32
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
Previous 15 minutes time = 15 min 0 sec
FEC: 0 77
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
Latest 1 day time = 48 min 58 sec
FEC: 12 243
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 20 20
LOS: 0 0
LOF: 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
Since Link time = 48 min 35 sec
FEC: 12 243
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
#


Code: [Select]
xdslcmd info --pbParams
xdslcmd: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 0
Max: Upstream rate = 24120 Kbps, Downstream rate = 66812 Kbps
Path: 0, Upstream rate = 19563 Kbps, Downstream rate = 57219 Kbps

Discovery Phase (Initial) Band Plan
US: (0,95) (868,1207) (1972,2783)
DS: (32,859) (1216,1963) (2792,3971)
Medley Phase (Final) Band Plan
US: (0,95) (868,1207) (1972,2783)
DS: (32,859) (1216,1963) (2792,3971)
       VDSL Port Details       Upstream        Downstream
Attainable Net Data Rate:      24120 kbps         66812 kbps
Actual Aggregate Tx Power:        6.0 dBm          14.0 dBm
============================================================================
  VDSL Band Status U0 U1 U2 U3 D1 D2 D3
  Line Attenuation(dB): 3.6 17.3 25.6 N/A 9.5 21.4 33.4
Signal Attenuation(dB): 3.6 16.4 24.9 N/A 9.5 21.4 33.4
        SNR Margin(dB): 6.0 5.9 6.0 N/A 6.1 6.1 6.1
         TX Power(dBm): -8.9 -26.1 5.8 N/A 11.4 7.9 6.9
#


Not sure how healthy this QLN is?



Mandatory HLOG pic which I don't really understand for FTTC but looks OKish?




Thoughts on what might have hit ze ping? :)
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Bald_Eagle1

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Re: My FTTC stats
« Reply #1 on: March 17, 2015, 09:41:42 PM »

Thoughts on what might have hit ze ping? :)



Interleaving:-
 
D:          907      657
INP:      3.00      4.00
delay:   8.00      8.00



I see you are using an old firmware version (with Asbokid's revised Blob):-

AnnexA version - A2pv6C035m.d22g


Have you given any thought to using the latest firmware version with its improved bitswapping, FEC without (or vastly reduced) Interleaving & G.INP compatibility?

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boost

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  • Posts: 768
Re: My FTTC stats
« Reply #2 on: March 17, 2015, 11:31:07 PM »

Good idea!

Now running latest firmware and have capped the downstream to 40Mb:

Code: [Select]
Stats recorded 17 Mar 2015 23:27:28

DSLAM/MSAN type:        BDCM:0xa44f / v0xa44f
Modem/router firmware:  AnnexA version - A2pv6C038m.d24j
DSL mode:                VDSL2 Profile 17a
Status:                  Showtime
Uptime:                  5 min 31 sec
Resyncs:                0 (since 17 Mar 2015 23:25:24)

Downstream Upstream
Line attenuation (dB):  14.5 0.0
Signal attenuation (dB): Not available on VDSL2
Connection speed (kbps): 39994 19673
SNR margin (dB):        11.1 6.0
Power (dBm):            13.9 5.7
Interleave depth:        1283 413
INP:                    3.50 4.00
G.INP:                  Not enabled

RSCorr/RS (%):          0.0000 0.0000
RSUnCorr/RS (%):        0.0000 0.0000
ES/hour:                0 0


Tried various command line options (disabling US0 does actually work it seems) to coax DLM into turning the nasties off but no joy.

Ah well, I've had some fun with it tonight anyway :)
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