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Standard User summat
(member) Fri 16-Oct-15 14:08:34
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Clows Top - Cabinet 5 FTTC performance


[link to this post]
 
A colleague at work finally moved over to FTTC after BDUK funded his cabinet upgrade a few weeks ago.

He's been beset by performance issues since, however.

He bought the 80/20 Infinity package from BT, and the BT speed tester confirms that his IP profile is 77.43 down. The DSL checker shows the following:

FTTC Range A (Clean) 80 80 20 20 -- Available
FTTC Range B (Impacted) 80 74.4 20 19 -- Available

The cabinet is literally over the road from his house. His sync is perfect. His performance however is impressively inconsistent.

The most he's ever had on the TBB tester (via a cable from a laptop connected directly to the Home Hub) is 65Mbps down and 14Mbps up.

The worst he's ever had on the TBB tester is under 2Mbit down, but still 13Mbit up.

This is a speed test from last night: http://www.thinkbroadband.com/speedtest/results.html...

The BT speed tester has given him results of under 200kbps in each direction during the evening on a few occasions. Very rarely does it ever show up more than 20mbit.

Most of the time it hovers between 10 and 20 down and 12-13 up. Mid-evening is the worst and early (very early!) in the morning is the best he's managed.

To me it seems like congestion, he has run ping tests to various sites and they all come back with zero packet loss. But I've never heard of congestion on FTTC cabs, certainly not to this extent.

Has anyone else had issues like this on FTTC? I've never seen FTTC be so inconsistent.

-summat
Administrator MrSaffron
(staff) Fri 16-Oct-15 14:54:59
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Re: Clows Top - Cabinet 5 FTTC performance


[re: summat] [link to this post]
 
If the speeds are generally good during the hours of 2am to around 3pm then probably congestion is an issue, and if the cabinet has recently gone live you are enjoying watching people try to download all the internet with their new connections - chances are it may settle down.

It is possible there is some backhaul dimensioning issues from the exchange, and if there are some with LLU available and using it this may be more obvious, e.g. BT Wholesale customers may see a slow down but TalkTalk LLU may not.

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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