Problema continue disconnessioni

[Apollo86]

Ho un dg834gt e questi sono i valori della mia linea:

/usr/sbin/adslctl: ADSL driver and PHY status
Status: Showtime Channel: INTR, Upstream rate = 352 Kbps, Downstream rate = 2464 Kbps
Link Power State: L0
Mode: G.DMT
Channel: Interleave
Trellis: ON
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 32.9 26.0
Attn(dB): 36.0 21.0
Pwr(dBm): 17.3 11.9
Max(Kbps): 11168 1084
Rate (Kbps): 2464 352
G.dmt framing
K: 78(0) 12
R: 16 16
S: 2 16
D: 32 4
ADSL2 framing
MSGc: 1 1
B: 78 12
M: 2 16
T: 1 1
R: 16 16
S: 2.2025 17.2307
L: 632 104
D: 32 4
Counters
SF: 33746 33744
SFErr: 0 0
RS: 1147394 143412
RSCorr: 0 0
RSUnCorr: 0 0

HEC: 0 0
OCD: 0 0
LCD: 0 0
Total Cells: 3334146 0
Data Cells: 25461 0
Drop Cells: 0
Bit Errors: 0 0

ES: 0 0
SES: 0 0
UAS: 12 0
Total time = 9 min 50 sec
SF = 33746
CRC = 0
LOS = 0
LOF = 0
ES = 0
Latest 1 day time = 9 min 50 sec
SF = 33746
CRC = 0
LOS = 0
LOF = 0
ES = 0
Latest 15 minutes time = 9 min 50 sec
SF = 33746
CRC = 0
LOS = 0
LOF = 0
ES = 0
Previous 15 minutes time = 0 sec
SF = 0
CRC = 0
LOS = 0
LOF = 0
ES = 0
Previous 1 day time = 0 sec
SF = 0
CRC = 0
LOS = 0
LOF = 0
ES = 0

E' da qualche giorno che sto soffrendo di continue disconnessi a intervalli di 20min....è un problema di linea? router o che altro?

grazie mille