I don't understand this!
We've had Zen Fibre 2 installed for under a month.
I'm using an ethernet cable to my PC and all the speed-tests from various sites consistently gives me no less than 50Mbps download and 17Mbps upload.
Yet, when i go to watch a Youtube video, it often buffers, even at 480P.
I've tried a Mac downstairs that's also reporting the exact same speed across several speed-testing programs and also has buffering issues.
I notice that the connection speed on YouTube videos seem to jump from around 40,000 Kbps to about 2000 Kbps randomly between videos.
BBC iPlayer/Demand 5 also buffers when using the built in TV on demand player.
Speed-test Result: http://www.speedtest.net/my-result/5385675350
Router info: https://gyazo.com/bafe656875756bfe8056c88cbd2222ff
I've spoken to Zen support over the phone and they weren't much help but have set up a graph to monitor my connection over the next two days using the ping function on my router. The only thing they really said was that my ping was rather high at 30ms instead of something like 15ms..
I can't work out what is going on...
This issue occurs at all times of day and yet the speed has never, ever, dropped below 50Mbps download and 17Mbps upload.