Very slow download speed though modem line rate no...

Hi
I recently noticed (today, 31st December) that our download speed had dropped very low, to approx 0.5Mbps. The upload speed is normal, approx 1Mbps. The modem line rate is however normal (8Mbps dowm, 1Mbps up). I have checked the download speed using http://speedtest.btwholesale.com/. I am at postcode SK237FN and have had consistently reliable download speeds for several years, 5-7Mbps.
Please help!
I already tried rebooting my router but this has not improved matters.
Thanks...
Test Result
Best Effort Test: -provides background information.
Download Speed
0.59 Mbps
0 Mbps
7.15 Mbps
Max Achievable Speed
Download speedachieved during the test was - 0.59 Mbps
For your connection, the acceptable range of speeds is 2 Mbps-7.15 Mbps.
IP Profile for your line is - 7.2 Mbps
Solved!
Go to Solution.

Hi
Thanks for your quick reply.
I don't use a BT "home hub"; I use a Billion router, ADSL status below.
The speedtest was performed using a wired connection.
BR
Mike
Mode
ADSL_2plus
Traffic Type
ATM
Status
Up
Link Power State
L0
Downstream
Upstream
Line Coding (Trellis)
On
On
SNR Margin (dB)
4.2
6.3
Attenuation (dB)
33.0
15.9
Output Power (dBm)
0.0
12.8
Attainable Rate (Kbps)
9184
1056
Rate (Kbps)
7438
1052
MSGc (# of bytes in overhead channel message)
59
10
B (# of bytes in Mux Data Frame)
232
150
M (# of Mux Data Frames in FEC Data Frame)
1
1
T (Mux Data Frames over sync bytes)
1
1
R (# of check bytes in FEC Data Frame)
16
0
S (ratio of FEC over PMD Data Frame length)
0.9979
4.5584
L (# of bits in PMD Data Frame)
1996
265
D (interleaver depth)
32
1
Delay (msec)
8
1
INP (DMT symbol)
1.00
0.00
Super Frames
364092
322883
Super Frame Errors
63
0
RS Words
23665906
882081
RS Correctable Errors
1466757
0
RS Uncorrectable Errors
711
0
HEC Errors
702
0
OCD Errors
0
0
LCD Errors
0
0
Total Cells
103594167
14634218
Data Cells
24717224
1770221
Bit Errors
0
0
Total ES
14
0
Total SES
1
0
Total UAS
76
76

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