|
|
|
Hello,
Our internet has recently become almost unusable in the evenings between about 7pm and 10pm. This is very inconvenient as we want to be watching things like Netflix at that time. A speedtest at that time shows it swinging wildly between about 5bps to 0 ! Usually we get a rock solid 11bps download at all other times
After looking at another thread "Plusnet ADSL Disconnections" the problem they had seemed to be the SN Margin (Up/Down) [dB]: 5,7 / 3,1 setting.
I have checked our router stats and can see SN Margin (Up/Down) [dB]: 6.0 / 3.1.
I am thinking that we are therefore having the same problem.
Theirs was fixed by setting the Down Margin to 6, rather than 3.1.
Could someone set our SM Margin (Down) to 6db to see if that improves our situation. (or does this need a ticket raising with Plusnet first?)
Thank you
John
|
|
|
|
It's possible that it is down to margin being too low but my money would be on it being contention - possibly contention on the particular gateway you are connected to. I think that if you reboot the router there is a chance of switching gateway (someone on Plusnet will come along in a minute and probably confirm how you check which gateway you are on and how to get it to hopefully switch to another).
If you do want to change the target SNR then you would need to raise a ticket. However, have you checked what the SNR is straight after a reboot as that will confirm if 3dB is the target it is set at.
|
|
|
Gateway checker.
To change gateway, close the PPP session for a couple of minutes. (Or reboot the router as you said). Closing the session is best, as it can take a few tries - you can pick up the one you were already on. Multiple reboots can upset the DLM.
My broadband basic info/help site - www.robertos.me.uk | Domains,site and mail hosting - Tsohost.
Connection - Plusnet UnLim Fibre (FTTC). Sync ~ 58.7/14.6Mbps @ 600m. - BQM
"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Allergy information: This post was manufactured in an environment where nuts are present. It may include traces of understatement, litotes and humour.
|
|
Register (or login) on our website and you will not see this ad.
|
|
|
Is that a wired or wireless connection to the router? That's the first thing to check, as neighbouring wifi's could cause this.
My broadband basic info/help site - www.robertos.me.uk | Domains,site and mail hosting - Tsohost.
Connection - Plusnet UnLim Fibre (FTTC). Sync ~ 58.7/14.6Mbps @ 600m. - BQM
"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Allergy information: This post was manufactured in an environment where nuts are present. It may include traces of understatement, litotes and humour.
|
|
|
|
Assuming as soon as you reboot your SNR is around 3db - then yes, raise a ticket.
Then post the Ticket Number here ....
Either the ticket will be answered or some Plusnet rep will see your post here and change your SNR to 6.
|
|
|
Which exchange are you on? Is it one shown here: http://community.plus.net/exchange-information/
jelv
Plusnet user since November 2001 - not sure for how much longer
|
|
|
|
No we are on Hemel Hempstead SMHH which is not on the list.
|
|
|
|
Just rebooted router and got
Uptime: 0 days, 0:00:51
DSL Type: ITU-T G.992.5
Bandwidth (Up/Down) [kbps/kbps]: 1,183 / 13,459
Data Transferred (Sent/Received) [kB/kB]: 24.48 / 45.75
Output Power (Up/Down) [dBm]: 12.8 / 0.0
Line Attenuation (Up/Down) [dB]: 17.6 / 32.5
SN Margin (Up/Down) [dB]: 5.5 / 3.0
so still at 3.0. I will raise a ticket.
|
|
|
|
The connection is wired.
|
|
|
If it's only in the evenings at peak times then the issue is contention not your perfectly reasonable 3dB NM. Your connection stats are good.
1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU => 2010: Orange 16 Meg LLU => 2011: Orange 20 Meg WBC
|
|
|
Check the gateway as suggested earlier. (I supplied the link).
Following the reboot, have you still got the problem? It would have been good to know the gateway before the reboot, but that's history.
My broadband basic info/help site - www.robertos.me.uk | Domains,site and mail hosting - Tsohost.
Connection - Plusnet UnLim Fibre (FTTC). Sync ~ 58.7/14.6Mbps @ 600m. - BQM
"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Allergy information: This post was manufactured in an environment where nuts are present. It may include traces of understatement, litotes and humour.
|
|
|
Yes, unfortunately I did not check the gateway before the re-boot - BUT we didn't have any problems at all last night since re-booting !! Maybe it was contention in that gateway after all ? I have not yet raised the ticket to get the SNR changed from 3 to 6 as I think I'll just see how it goes for now.
(Who'd have thought that turning it off and on again would actually fix it  )
John
|
|
|
|
After re-booting yesterday to check the SNR we had absolutely no problems last night with the connection. Another poster suggested that re-booting might select a different gateway which might have less congestion. Maybe it was that and the reboot has put me on a better gateway ?
John
|
|
|
|
Re-booting the router does seem to have fixed the problem (well last night was ok) but, for future reference, how do I close the PPP session ? What does DLM mean ?
Thank you
John
|
|
|
Just reboot or discon and then recon.
DLM = Dynamic Line Management, the system running all the time trying to keep your connection stable and fast.
1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU => 2010: Orange 16 Meg LLU => 2011: Orange 20 Meg WBC
|
|
|
Disconnect/reconnect via the router interface is far preferred to rebooting which can upset the DLM. Disconnect/reconnect is also much quicker.
jelv
Plusnet user since November 2001 - not sure for how much longer
Edited by jelv (Wed 14-May-14 20:43:17)
|
|
|
Disconnect/reconnect via the router interface is far preferred to rebooting which can upset the DLM. Can't see it makes any odds. Both register 1 discon to the DLM. Anyway the odd discon doesn't disturb it.
I prefer to reboot as it zeroises all error counts and sets clock back to 0, making it easier to monitor subsequent performance.
1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU => 2010: Orange 16 Meg LLU => 2011: Orange 20 Meg WBC
|
|
|
Closing the PPP session is not seen by the DLM. That is only interested in the connection between user modem and the MSAN/DSLAM.
My broadband basic info/help site - www.robertos.me.uk | Domains,site and mail hosting - Tsohost.
Connection - Plusnet UnLim Fibre (FTTC). Sync ~ 58.7/14.6Mbps @ 600m. - BQM
"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Allergy information: This post was manufactured in an environment where nuts are present. It may include traces of understatement, litotes and humour.
|
|
|
Re-booting the router does seem to have fixed the problem (well last night was ok) but, for future reference, how do I close the PPP session ? What does DLM mean ?
Thank you
John DLM controls the settings for the connection between you and the exchange, on ADSLx, or between you and the cabinet on FTTC. On BT Wholesale or Openreach it starts you off fast, then if there are a lot of errors on the line it sets up interleaving, which enables powerful in-flight error correction, and possibly reduces the connection speed as well. The higher the speed the higher the probability of errors.
Most routers will have a button somewhere in the menus to close/open the (PPP) session. That is the connection between you and your ISP's system/routers. The Plusnet 582n certainly has such a button. It may be labelled Disconnect/Connect. I can't quite remember.
Note which gateway you are on, for future reference.
My broadband basic info/help site - www.robertos.me.uk | Domains,site and mail hosting - Tsohost.
Connection - Plusnet UnLim Fibre (FTTC). Sync ~ 58.7/14.6Mbps @ 600m. - BQM
"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Allergy information: This post was manufactured in an environment where nuts are present. It may include traces of understatement, litotes and humour.
Edited by RobertoS (Thu 15-May-14 01:36:09)
|
|
|
Most routers will have a button somewhere in the menus to close/open the (PPP) session. OK, I hadn't realised that a soft discon would just do that. As I say I prefer to get the error counts in line for my router as it only shows time connected since last (PPP) connect (on the few times I need to reconnect). Actually on this connection I never need to force a PPP reconnect, but just occasionally a resync.
1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU => 2010: Orange 16 Meg LLU => 2011: Orange 20 Meg WBC
|
|
|
Note which gateway you are on, for future reference. I remember Kelly (Plusnet ISP) said that it wasn't necessarily an overloaded Plusnet gateway that exhibits these anomalies, but perhaps the route an individual's connection is routed, over the BT Openreach network, to that gateway.
Plusnet unlimited FTTC
|
|
|
Disconnect/reconnect via the router interface is far preferred to rebooting which can upset the DLM. Can't see it makes any odds. Both register 1 discon to the DLM.
Wrong! The DLM monitors sync issues. There is no loss of sync so it isn't seen by the DLM.
jelv
Plusnet user since November 2001 - not sure for how much longer
|
|
|
|
@jhartridge
Feel free to drop me a PM with your username or a ticket ID so I can check your line for you.
|
Pages in this thread: 
Print Thread
deleted
