FTTC 3dB Profile
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FTTC 3dB Profile
13-09-2018 9:33 PM
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Can Plusnet use a tool or request to BTw to change FTTC 3dB Profile on the line to try to get the maximum sync rate on the line because since Openreach engineer reset DLM to default profile 23 days ago as the DLM haven't act on target snr 3dB to get the line back to 80Mbps from 78Mbps yet for almost 21 days since G.INP was enabled by DLM.
Latest stats from modem:
adsl info --stats adsl: ADSL driver and PHY status Status: Showtime Last Retrain Reason: 1 Last initialization procedure status: 0 Max: Upstream rate = 28054 Kbps, Downstream rate = 78605 Kbps Bearer: 0, Upstream rate = 19999 Kbps, Downstream rate = 78044 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): 6.5 15.7 Attn(dB): 12.0 0.0 Pwr(dBm): 12.5 1.3 VDSL2 framing Bearer 0 MSGc: -6 26 B: 243 237 M: 1 1 T: 0 42 R: 10 16 S: 0.0996 0.3781 L: 20411 5374 D: 8 1 I: 254 127 N: 254 254 Q: 8 0 V: 0 0 RxQueue: 63 0 TxQueue: 21 0 G.INP Framing: 18 0 G.INP lookback: 21 0 RRC bits: 0 24 Bearer 1 MSGc: 186 -6 B: 0 0 M: 2 0 T: 2 0 R: 16 0 S: 5.3333 0.0000 L: 48 0 D: 3 0 I: 32 0 N: 32 0 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 1746350 OHFErr: 0 1677 RS: 2455379496 4057972 RSCorr: 45585 11088 RSUnCorr: 0 0 Bearer 1 OHF: 117395921 0 OHFErr: 0 0 RS: 1408750319 0 RSCorr: 2027 0 RSUnCorr: 0 0 Retransmit Counters rtx_tx: 140063 0 rtx_c: 10545 0 rtx_uc: 0 0 G.INP Counters LEFTRS: 29 0 minEFTR: 78041 0 errFreeBits: 2283898562 0 Bearer 0 HEC: 0 0 OCD: 0 0 LCD: 0 0 Total Cells: 3838781011 0 Data Cells: 1570983411 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: 10 1482 SES: 10 0 UAS: 36 26 AS: 1885980 Bearer 0 INP: 49.00 0.00 INPRein: 0.00 0.00 delay: 0 0 PER: 0.00 3.98 OR: 0.01 64.22 AgR: 78124.49 20063.54 Bearer 1 INP: 4.00 0.00 INPRein: 4.00 0.00 delay: 3 0 PER: 16.06 0.01 OR: 95.62 0.01 AgR: 95.62 0.01 Bitswap: 1264/1264 271/271 Total time = 23 days 10 hours 2 min 9 sec (Since Openreach engineer reset DLM to default profile) FEC: 208137 11962 CRC: 5925 1831 ES: 10 1482 SES: 10 0 UAS: 36 26 LOS: 1 0 LOF: 6 0 LOM: 0 0 Latest 15 minutes time = 2 min 9 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 Previous 15 minutes time = 15 min 0 sec FEC: 16 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 = 10 hours 2 min 9 sec FEC: 531 95 CRC: 0 19 ES: 0 18 SES: 0 0 UAS: 0 0 LOS: 0 0 LOF: 0 0 LOM: 0 0 Previous 1 day time = 24 hours 0 sec FEC: 1695 380 CRC: 0 57 ES: 0 51 SES: 0 0 UAS: 0 0 LOS: 0 0 LOF: 0 0 LOM: 0 0 Since Link time = 21 days 19 hours 52 min 59 sec (since G.INP Enabled by DLM) FEC: 45585 11088 CRC: 0 1677 ES: 0 1353 SES: 0 0 UAS: 0 0 LOS: 0 0 LOF: 0 0 LOM: 0 0
Re: FTTC 3dB Profile
14-09-2018 11:53 AM
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Hi @goldenfibre
Thanks for getting in touch.
I'm afraid we wouldn't be able to request a DLM reset in this situation - we'd only be able to do so as part of an existing fault and even then there's no guarantee that the line would re-sync at 80mb/s. If we raised a fault for you at this stage, it would be rejected by our suppliers on the basis that your line is performing well within its estimates.
Sorry I couldn't provide you with the outcome you were expecting.
Best wishes,
Dave
Re: FTTC 3dB Profile
17-09-2018 2:25 AM
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DLM has made change to my line just after 1:40am as a result of resync increase to 79.5Meg from 78.0Meg and INP change from 49.00 to 48.00 after 27 days since DLM reset to default.
IP Profile for your line is - 76.88 Mbps
adsl info --stats
adsl: ADSL driver and PHY status
Status: Showtime
Last Retrain Reason: 1
Last initialization procedure status: 0
Max: Upstream rate = 27123 Kbps, Downstream rate = 81837 Kbps
Bearer: 0, Upstream rate = 19999 Kbps, Downstream rate = 79509 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): 6.5 15.1
Attn(dB): 11.9 0.0
Pwr(dBm): 12.4 0.6
VDSL2 framing
Bearer 0
MSGc: -6 26
B: 243 237
M: 1 1
T: 0 42
R: 10 16
S: 0.0977 0.3781
L: 20794 5374
D: 8 1
I: 254 127
N: 254 254
Q: 8 0
V: 0 0
RxQueue: 63 0
TxQueue: 21 0
G.INP Framing: 18 0
G.INP lookback: 21 0
RRC bits: 0 24
Bearer 1
MSGc: 186 -6
B: 0 0
M: 2 0
T: 2 0
R: 16 0
S: 5.3333 0.0000
L: 48 0
D: 3 0
I: 32 0
N: 32 0
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 56722
OHFErr: 0 0
RS: 9174104 2381308
RSCorr: 3 3
RSUnCorr: 0 0
Bearer 1
OHF: 14069 0
OHFErr: 0 0
RS: 168093 0
RSCorr: 0 0
RSUnCorr: 0 0
Retransmit Counters
rtx_tx: 142999 0
rtx_c: 13418 0
rtx_uc: 0 0
G.INP Counters
LEFTRS: 39 0
minEFTR: 79491 0
errFreeBits: 929810149 0
Bearer 0
HEC: 0 0
OCD: 0 0
LCD: 0 0
Total Cells: 34555677 0
Data Cells: 29636 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: 10 1699
SES: 10 0
UAS: 63 53
AS: 227
Bearer 0
INP: 48.00 0.00
INPRein: 0.00 0.00
delay: 0 0
PER: 0.00 3.98
OR: 0.01 64.22
AgR: 79590.45 20063.54
Bearer 1
INP: 4.00 0.00
INPRein: 4.00 0.00
delay: 3 0
PER: 16.06 0.01
OR: 95.62 0.01
AgR: 95.62 0.01
Bitswap: 1/1 1/1
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