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Significant difference between IP profile and measured attainable VDSL speeds
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Significant difference between IP profile and measured attainable VDSL speeds
26-05-2014 8:16 PM
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Hi,
I'm on FTTC
My upload and downloads are rock solid - however they arr rock solid at 50Mbps down and 18Mbps up whenever I test them (to within 1Mbps, measured from a wired connection with no other network use)
This is fine if it is what the line can support - but is lower than I was expecting. The BT line check says my line profile is currently 76Mbps
How can I find out whether the speeds I am seeing are simply what the line can support (in which case fine), or down to a misconfiguration that can be tweaked?
The fact that my speeds are so consistent (albeit lower than expected) makes me a bit suspicious that there may be some kind of artificial limit in place, but my suspicions could be misplaced!
I'm on FTTC
My upload and downloads are rock solid - however they arr rock solid at 50Mbps down and 18Mbps up whenever I test them (to within 1Mbps, measured from a wired connection with no other network use)
This is fine if it is what the line can support - but is lower than I was expecting. The BT line check says my line profile is currently 76Mbps
How can I find out whether the speeds I am seeing are simply what the line can support (in which case fine), or down to a misconfiguration that can be tweaked?
The fact that my speeds are so consistent (albeit lower than expected) makes me a bit suspicious that there may be some kind of artificial limit in place, but my suspicions could be misplaced!
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Re: Significant difference between IP profile and measured attainable VDSL speeds
27-05-2014 11:10 AM
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Hi dbrb2,
Would you be able to PM me your account username please and I'll take a look at things for you.
Would you be able to PM me your account username please and I'll take a look at things for you.
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Re: Significant difference between IP profile and measured attainable VDSL speeds
27-05-2014 12:41 PM
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Thanks for the PM.
I've checked your line and your modem is connecting to your FTTC Cabinet at full speeds (80/20). Your Speed Profiles are all up to date and look fine to me.
If you're seeing slowdowns, would you be able to do Speed Tests whilst connected via a direct PPPoE connection?
http://community.plus.net/library/broadband/fibre-help-how-to-set-up-a-pppoe-dialler-in-vistawindows...
I've checked your line and your modem is connecting to your FTTC Cabinet at full speeds (80/20). Your Speed Profiles are all up to date and look fine to me.
If you're seeing slowdowns, would you be able to do Speed Tests whilst connected via a direct PPPoE connection?
http://community.plus.net/library/broadband/fibre-help-how-to-set-up-a-pppoe-dialler-in-vistawindows...
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Re: Significant difference between IP profile and measured attainable VDSL speeds
27-05-2014 3:22 PM
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Cheers I'll try that
Can you see what speeds the modem is actually synching at, or is that not possible on the VDSL service?
Can you see what speeds the modem is actually synching at, or is that not possible on the VDSL service?
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Re: Significant difference between IP profile and measured attainable VDSL speeds
27-05-2014 3:50 PM
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Yep - I can see what you're in 'Sync' at, so the speeds that your Modem is connecting at your property at from the Fibre Cabinet, which is the full 80/20.
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Re: Significant difference between IP profile and measured attainable VDSL speeds
27-05-2014 5:20 PM
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Ah OK
I won't be able to check the PPoE immediately, but will try in the next day or so
When I do this, I won't be able to keep it like that for long. What would you like tested to acertain if there is a problem or not?
I know there can be variability in speedtest results - is there one which you would advise for testing? Anything else worth checking at the
same time?
I won't be able to check the PPoE immediately, but will try in the next day or so
When I do this, I won't be able to keep it like that for long. What would you like tested to acertain if there is a problem or not?
I know there can be variability in speedtest results - is there one which you would advise for testing? Anything else worth checking at the
same time?
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Re: Significant difference between IP profile and measured attainable VDSL speeds
27-05-2014 5:24 PM
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If you could connect via PPPoE directly to the Modem and just run a Speed Test at http://speedtest.btwholesale.com including 'Further Diagnostics'. Once you've done that, if you could pop us a screenshot of the results on here, you can then reconnect everything back the way it is again - I'm hoping it shouldn't take much longer than 10-15 mins.
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