Wow, I took out Netgear DG3700 Fibre Router from the loft and try it out. It's appear this router broadcom chipset are lots better than Billion 8800NL router, TP Link router and Plusnet Hub One.
The sync rate has shoot up higher now with IP Profile 76.27Mbps. And I think INP has changed from 49 to 38 with interleaved depth 8 if I were correct from the stats below:
xdslctl: ADSL driver and PHY status
Status: Showtime
Last Retrain Reason: 0
Last initialization procedure status: 0
Max: Upstream rate = 26443 Kbps, Downstream rate = 78148 Kbps
Bearer: 0, Upstream rate = 19999 Kbps, Downstream rate = 78882 Kbps
Bearer: 1, Upstream rate = 0 Kbps, Downstream rate = 0 Kbps
xdslctl: ADSL driver and PHY status
Status: Showtime
Last Retrain Reason: 0
Last initialization procedure status: 0
Max: Upstream rate = 26443 Kbps, Downstream rate = 78148 Kbps
Bearer: 0, Upstream rate = 19999 Kbps, Downstream rate = 78882 Kbps
Bearer: 1, Upstream rate = 0 Kbps, Downstream rate = 0 Kbps
Discovery Phase (Initial) Band Plan
US: (7,32) (871,1205) (1972,2782)
DS: (33,859) (1216,1961) (2793,3970)
Medley Phase (Final) Band Plan
US: (7,32) (871,1205) (1972,2782)
DS: (33,859) (1216,1961) (2793,3970)
VDSL Port Details Upstream Downstream
Attainable Net Data Rate: 26443 kbps 78148 kbps
Actual Aggregate Tx Power: 0.6 dBm 12.5 dBm
============================================================================
VDSL Band Status U0 U1 U2 U3 D1 D2 D3
Line Attenuation(dB): 2.4 14.1 22.1 N/A 7.1 16.6 26.6
Signal Attenuation(dB): 2.4 13.1 21.3 N/A 7.1 16.6 26.6
SNR Margin(dB): 15.4 15.1 15.1 N/A 6.1 6.1 6.2
TX Power(dBm): -13.7 -29.3 0.5 N/A 8.2 7.8 7.2
xdslctl: ADSL driver and PHY status
Status: Showtime
Last Retrain Reason: 0
Last initialization procedure status: 0
Max: Upstream rate = 26443 Kbps, Downstream rate = 78148 Kbps
Bearer: 0, Upstream rate = 19999 Kbps, Downstream rate = 78882 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
Trellis: U:ON /D:ON
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 6.1 15.1
Attn(dB): 0.0 0.0
Pwr(dBm): 12.5 0.6
VDSL2 framing
Bearer 0
MSGc: -6 26
B: 243 237
M: 1 1
T: 0 42
R: 10 16
S: 0.0985 0.3781
L: 20630 5374
D: 8 1
I: 254 127
N: 254 254
Q: 8 0
V: 0 0
RxQueue: 50 0
TxQueue: 25 0
G.INP Framing: 18 0
G.INP lookback: 25 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 953232
OHFErr: 0 5
RS: 152990296 1363349
RSCorr: 38 8
RSUnCorr: 0 0
Bearer 1
OHF: 235517 0
OHFErr: 0 0
RS: 2825463 0
RSCorr: 0 0
RSUnCorr: 0 0
Retransmit Counters
rtx_tx: 121074 0
rtx_c: 4 0
rtx_uc: 0 0
G.INP Counters
LEFTRS: 0 0
minEFTR: 78867 0
errFreeBits: 4550954 0
Bearer 0
HEC: 0 0
OCD: 0 0
LCD: 0 0
Total Cells: 570464411 0
Data Cells: 13004438 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 5
SES: 0 0
UAS: 23 23
AS: 3784
Bearer 0
INP: 38.00 0.00
INPRein: 0.00 0.00
delay: 0 0
PER: 0.00 3.97
OR: 0.01 64.47
Bearer 1
INP: 4.00 0.00
INPRein: 4.00 0.00
delay: 3 0
PER: 16.00 0.01
OR: 96.00 0.01
Bitswap: 0/4 0/1
Total time = 1 hours 3 min 27 sec
FEC: 38 8
CRC: 0 5
ES: 0 5
SES: 0 0
UAS: 23 23
LOS: 0 0
LOF: 0 0
LOM: 0 0
Latest 15 minutes time = 3 min 27 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: 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 = 1 hours 3 min 27 sec
FEC: 38 8
CRC: 0 5
ES: 0 5
SES: 0 0
UAS: 23 23
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 = 1 hours 3 min 3 sec
FEC: 38 8
CRC: 0 5
ES: 0 5
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0