Opinión

Sino tienes ningun problema mas, solo ajusta el RWIN.

Velocidad de sincronizacion Rate (Kbps): 15594 881
Subida 15594 kbps
Bajada 881
Atenuacion 28

Velocidad de bajada real: en una caso teorico deberias poder alcanzar casi los 2 MegaBytes/s al bajar varios ficheros a la vez.

Mode: ADSL2+
Line Coding: Trellis On
Status: No Defect
Link Power State: L0

Downstream Upstream
SNR Margin (dB): 7.8 9.0
Attenuation (dB): 28.0 10.0
Output Power (dBm): 844.8 0.0
Attainable Rate (Kbps): 15900 19600
Rate (Kbps): 15594 881
MSGc (number of bytes in overhead channel message): 58 9
B (number of bytes in Mux Data Frame): 246 111
M (number of Mux Data Frames in FEC Data Frame): 1 1
T (Mux Data Frames over sync bytes): 2 1
R (number of check bytes in FEC Data Frame): 8 16
S (ratio of FEC over PMD Data Frame length): 0.5058 4.0315
L (number of bits in PMD Data Frame): 4033 254
D (interleaver depth): 64 8
Delay (msec): 8 8

Super Frames: 1177411 1177409
Super Frame Errors: 982 1
RS Words: 150708656 80063812
RS Correctable Errors: 89871 27
RS Uncorrectable Errors: 24015 N/A

HEC Errors: 899 0
OCD Errors: 0 0
LCD Errors: 0 0
Total Cells: 700933601 39544239
Data Cells: 6536069 24129158
Bit Errors: 0 0

Total ES: 638 1
Total SES: 0 0
Total UAS: 13 0

Saludos