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Standard User Anonymous3
(newbie) Thu 23-Aug-12 23:05:05
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Speed drop, packet loss, increased ping and jitter (BT)


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I've had BT Infinity now since April and am not very happy with the service.

Every evening I notice a great decrease in the quality of my connection. This generally happens between 6PM and 2AM. My ping to bbc.co.uk increases from a max of 31ms to 36ms (minimum being 29). I'm not that bothered about the small increase but packet loss also increases. I drop about one or two packet a minute.

What's most annoying is the dramatic speed drop. I go from 47Mb/s down to about 15Mb/s (sometimes it's worse than that and sometimes it's not as bad). However I should point out that my upload speed never seems to be affected.

I really regret leaving my stable ADSL connection with Sky and I couldn't go back now even if I could leave BT as they require you to take a phone package with broadband.

I strongly suspect this is caused by some part of BTs network being overloaded, if it is how long could it take before/if they sort it out (this has been happening to me for four months now). Also I live in Northern Ireland, could this have something to do with it?

Before 6PM: http://www.speedtest.net/result/2130084894.png
After 6PM: http://www.speedtest.net/result/2136669128.png

Ping: http://www.thinkbroadband.com/ping/share-large/d7534...
Standard User Croftie
(member) Fri 24-Aug-12 05:27:30
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Re: Speed drop, packet loss, increased ping and jitter (BT)


[re: Anonymous3] [link to this post]
 
Saw exactly the same on the 30th June although didn't get reduced throughput, if it wasn't for the BQM I wouldn't even of noticed it.

I'm not in NI but solved it by turning my router off for 5 mins to get a new IP, it was cured instantly and hasn't happened since.

As you can see it happened 3 evenings running, I forced a new IP on the third evening and the improvement was instant. The large spikes are from the connection being used.

http://i.imgbox.com/adlcxZpF.jpg

You say it's being happening for four months, I'd be supprised if you've had the same IP for that long so forcing a new one might not work for you in this case, worth a try though.

Note, it's only the router you need to turn off for 5 mins, not the white modem. Good luck.

Edited by Croftie (Fri 24-Aug-12 05:38:56)

Standard User Anonymous3
(newbie) Sat 25-Aug-12 00:19:24
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Re: Speed drop, packet loss, increased ping and jitter (BT)


[re: Croftie] [link to this post]
 
Just tried that twice. The first time it worked for about 20 minutes and the second time made no difference.


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Standard User Croftie
(member) Sat 25-Aug-12 23:53:41
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Re: Speed drop, packet loss, increased ping and jitter (BT)


[re: Anonymous3] [link to this post]
 
Unlucky.
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