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Line Speed - Differing Results from MyBroadbandSpeed & ThinkBroadband

deepinsight
Dabbler
Posts: 13
Registered: 18-01-2010

Line Speed - Differing Results from MyBroadbandSpeed & ThinkBroadband

I'm experiencing volatile line speeds again after a period ( 2 months 25/9 -> 19/11) of stability since joining PlusNet from Demon in June '09.
I've always used www.thinkbroadband.com/speedtest to check the speed on my line, but after failing to get the btsppedtester to work PlusNet TechSupp suggested I use mybroadbandspeed.co.uk.
I've performed a number of speed tests there and got higher than expected results, so I ran a few tests via thinkbroadband and immediately after each one another via mybroadbandspeed and got the following results:

thinkbroadband                  mybroadbandspeed
Kbps                                    kbps
6323 stated as 6.2Mbps  86373 stated as 10.8Mbps
6320 stated as 6.2 Mbps 77064 stated as 9.63Mbps
5974 stated as 5.8Mbps  92251 stated as 11.5Mbps
So, who's right and why the difference?
8 REPLIES
Community Veteran
Posts: 38,431
Thanks: 1,008
Fixes: 60
Registered: 15-06-2007

Re: Line Speed - Differing Results from MyBroadbandSpeed & ThinkBroadband

Probably due to your Internet Security Package
Community Veteran
Posts: 26,542
Thanks: 786
Fixes: 9
Registered: 10-04-2007

Re: Line Speed - Differing Results from MyBroadbandSpeed & ThinkBroadband

Have you tried the Port 80 option on the thinkbroadband test?
jelv (a.k.a Spoon Whittler)
   Why I have left Plusnet (warning: long post!)   
Broadband: Andrews & Arnold Home::1 (FTTC 80/20)
Line rental: Pulse 8 Home Line Rental (£13/month)
Mobile: iD mobile (£4/month)
deepinsight
Dabbler
Posts: 13
Registered: 18-01-2010

Re: Line Speed - Differing Results from MyBroadbandSpeed & ThinkBroadband

Surely the impact of my Internet Secuirty Package (if any) would impact both tests equally?
Using the Port 80 option on thinkbroadband returns the same figures, latest are:
MyBroadbandSpeed 76546 kbps (9.57MB/s)
Thinkbroadband            6318.31 Kbps ( 6.2 Mbps )
Community Veteran
Posts: 38,431
Thanks: 1,008
Fixes: 60
Registered: 15-06-2007

Re: Line Speed - Differing Results from MyBroadbandSpeed & ThinkBroadband

Nope - they use different technologies.
Try disabling it and then test
pierre_pierre
Grafter
Posts: 19,757
Registered: 30-07-2007

Re: Line Speed - Differing Results from MyBroadbandSpeed & ThinkBroadband

welcome to the Forums.
have you tried your router stats, that will give a clearer indication of your synch speed.  How to do it here http://www.kitz.co.uk/adsl/frogstats.php
do you know if you are on ADSL2, if not the mybroadbandspeed is correct, the other is impossible
deepinsight
Dabbler
Posts: 13
Registered: 18-01-2010

Re: Line Speed - Differing Results from MyBroadbandSpeed & ThinkBroadband

I expect I am on ADSL2, stats are:
Uptime: 0 days, 1:38:34

DSL Type: G.992.5 annex A

Bandwidth (Up/Down) [kbps/kbps]: 1,231 / 10,347

Data Transferred (Sent/Received) [kB/kB]: 0.00 / 0.00

Output Power (Up/Down) [dBm]: 12.5 / 0.0

Line Attenuation (Up/Down) [dB]: 7.5 / 17.0

SN Margin (Up/Down) [dB]: 7.0 / 15.0

Vendor ID (Local/Remote): TMMB / IFTN

Loss of Framing (Local/Remote): 21 / 0

Loss of Signal (Local/Remote): 2 / 0

Loss of Power (Local/Remote): 0 / 0

Loss of Link (Remote): 0

Error Seconds (Local/Remote): 11 / 0

FEC Errors (Up/Down): 4,294,967,180 / 0

CRC Errors (Up/Down): 4,294,967,180 / 40

HEC Errors (Up/Down): 0 / 23
deepinsight
Dabbler
Posts: 13
Registered: 18-01-2010

Re: Line Speed - Differing Results from MyBroadbandSpeed & ThinkBroadband

Further info:
(https://portal.plus.net/my.html?action=stable_rate)
Phone exchange:
BASINGSTOKE
Estimated line speed:
6 - Checked on 2009-06-26 13:20:42
Current line speed:
8000
(http://usertools.plus.net/exchanges/)
Exchange Status Checker
Results: Basingstoke Code: THBZ
County: Hampshire
Enabled: 29 Jun 2000
Market: 3

VP capacity at this exchange is currently showing as Green.
BT have advised that this exchange is enabled for WBC on 21CN 
BT has published DSL Max upgrade information for this exchange

Plusnet Staff
Plusnet Staff
Posts: 17,641
Thanks: 535
Fixes: 159
Registered: 05-04-2007

Re: Line Speed - Differing Results from MyBroadbandSpeed & ThinkBroadband

You could also try speedtest.net and broadbandspeedchecker.co.uk which may give slightly differing results again, however they may help you see what the actual throughput is on your line.
If this post resolved your issue please click the 'This fixed my problem' button
 Chris Parr
 Plusnet Staff