New FTTC install, some questions regarding speed and routers
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New FTTC install, some questions regarding speed and routers
02-03-2013 9:06 PM
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Had fibre installed on the 19/02 and have had acceptable service from it. My estimated speed is 69 mb, although BTOR and my IP profile says I should be getting 78-79. I have however never seen any speed higher than mid 40s on the BT speedtester and the speedtest website. I have raised a ticket, but am not sure if my expectations are increased as I was on a lowly 16 mb download on ADSL2 So should I expect more?
Secondly a question re the openreach modem that BTOR supplies. Is this required for fucntioning as I have a Draytek Vigor 8250 router that is compatible with BT Infinity, so was hoping I could just have the single box plugged into the wall and save some electricity along the way.
Thanks for any assistance.
Chris
Re: New FTTC install, some questions regarding speed and routers
02-03-2013 9:46 PM
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Re: New FTTC install, some questions regarding speed and routers
03-03-2013 12:22 AM
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Also you may be affected by http://usertools.plus.net/status/archive/1362056380.htm
This is the current page of a long thread about the issues http://community.plus.net/forum/index.php/topic,111170.544.html
Re: New FTTC install, some questions regarding speed and routers
03-03-2013 12:21 PM
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Re: New FTTC install, some questions regarding speed and routers
03-03-2013 2:49 PM
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Just thought it worth also checking you're running the speed test with a computer connected to the router by an ethernet cable, and not using wifi?
Re: New FTTC install, some questions regarding speed and routers
03-03-2013 3:24 PM
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Quote from: chrisdejongh Thanks for the advice guys. I have removed the BT modem and the PlusNet supplied router and now happily running just the draytek. Now with 2 boxes sitting in the attic. Re network issues anotherone I am seeing these speeds throughout the whole day, not just peak time. I have been affected by the peak issues where my speed has gone down to 1Mb so think this is not the same. And my line speed in Member Centre is the same is the BT speedtester profile. However this morning I downloaded something from Steam, and hit a peak download speed of 8.5Mb/s so that is a huge improvement., Still only getting mid 40s for the speedtesters though, so dont know if there is a problem with sustaining the desired speed. Oh well, still waiting to hear form the customer support people...
Have you noticed any difference in speed either way since using just the Draytek alone? I was wondering if I should try using the BT and PlusNet supplied modem and router to see if I get any faster speeds.
Re: New FTTC install, some questions regarding speed and routers
03-03-2013 3:29 PM
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@mordorf The draytek has made no difference so I think this is not a local issue. Funny thing my BT IP profile says high 70s, my Plusnet speed says high 70s, but the speedtesters (both BTw and Speedtest) will only give 40s. As I said this morning I did get a peak download from Steam in the 80s this morning, so obviously the line can burst that high, but why is the average 20 Mb lower than estimated (69Mb) or even 30 lower than synced (79Mb)?
Chris
Re: New FTTC install, some questions regarding speed and routers
03-03-2013 3:34 PM
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You can also check that the Router isn't giving you any speed issues by connecting your computer direct to the ethernet port on the modem (don't turn off or reboot the modem).
You need to set up a PPPoE Dialler, depending on your OS, see
http://community.plus.net/library/broadband/fibre-help-setting-up-a-pppoe-dialler-for-windows-xp/ or
http://community.plus.net/library/broadband/fibre-help-how-to-set-up-a-pppoe-dialler-in-vistawindows...
If you have a MAC, there is something similar which Bright can advise on
Re: New FTTC install, some questions regarding speed and routers
03-03-2013 3:40 PM
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A long shot, but is it possible the problem is something on your PC? (for example, anti-virus programmes have been known to cause speed issues occasionally). Do you have a different device you could test with?
Other than that, hopefully Plusnet may be able to turn up a network issue that's causing it.
Re: New FTTC install, some questions regarding speed and routers
03-03-2013 3:40 PM
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@bright Thought that as well... tried running speedtest from Ipad, android smartphone and other main desktop. Granted two of them are wifi only, and desktop is homeplug (200mbps) but all give same variance. I appreciate that local factors can play a role but to the same extent on 4 different platforms?... If needed I can run it off my wifes blackberry or kindle!!!
The laptop runs directly from the router (now replaced with draytek vigor 2850vn so one in all solution) and gives same speeds, and with a burst speed of 8.5 MB/s this morning (I was very happy to see that burst speed), but the average speed is still mid 40s.
Chris
Re: New FTTC install, some questions regarding speed and routers
03-03-2013 3:52 PM
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First of all, it's inbuilt VDSL modem doesn't manage the same upstream speed as the OpenReach modem (in my case, an ECI modem). The ECI modem consistently delivers around 17Mbps actual throughput, whereas the Draytek sits at around 13Mbps. This occurs even if the modem has synced at 20Mbps upstream.
The next comments applied to both the inbuilt modem and the OpenReach modem through the Draytek.
When QoS was enabled, I couldn't get above 40Mbps downstream, so I had to disable it. It didn't matter if the line speed values were set correctly, or too high. There was a cap at around 40Mbps.
But even after disabling QoS, I couldn't get above around 55Mbps. There were a number of red herrings - first of all, manually configuring a 100Mbps full duplex link to the modem failed, so I suspected that the auto-detect was negotiating 100Mbps half-duplex. But that wasn't the problem in the end. I had been using a Three 3G dongle, as failover for my previous unreliable ADSL (although the failover never actually worked due to the PPPoE staying up), and after unplugging that I then get the full speed (approx 73Mbps). I haven't looked into it enough to determine whether it's just the presence of the USB dongle requiring CPU resources on the router, or the load balancing (I no longer have any connections configured other than FTTC on WAN2 - WAN1 and WAN3 are disabled) but the Draytek was limiting the speeds.
tl;dr...
- Use the OpenReach modem in the LAN4 port as WAN2
- Disable QoS on the WAN2 connection
- Disable WAN1 and WAN3
- Unplug any USB peripherals from the Draytek
Re: New FTTC install, some questions regarding speed and routers
03-03-2013 4:41 PM
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Chris
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