Upload speed 25% of sync / IP profile speed for several weeks now
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15-11-2017 9:33 PM
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I have been using Plusnet Broadband since 2005 with a Netgear DGN2200v3 ADSL router and used to get near 1MBps upload speeds and 4-5MBPs download, which has been fine for my needs. however recently I noticed my works laptop wouldn't connect properly as upload speed was too slow, and certain software timed out. Using BTW speed checker it showed speeds of between 4.0-4.5 MBps download and 0.16-0.22 MBps upload speeds. The router stats showed upstream line speeds of 985kbps though, full stats below:
Downstream upstream
line speed 5440kbps 985kbps
Attenuation 42db 26db
Noise margin 8.7 6.0db
Current line speed states 4.8 MB (no upload figure)
Line is quiet. Tests carried out from Test socket, with wireless off (makes no difference if other devices connected or not it seems) tried test using different devices with results in same range, but have no spare router to try.
Plusnet CS have made some amendments to line twice now (remove cap?), but still get same results,
Anyone got any thoughts on what might be the problem here? I am currently forced to use a mobile hotspot to link to work, and that has faster stats than the ADSL most of the time, but uses a lot of data allowance!
Fixed! Go to the fix.
Re: Upload speed 25% of sync / IP profile speed for several weeks now
16-11-2017 11:36 AM
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How is your line performing?
Please post your router stats; for PN TG582n and 2704n routers use the buttons below, for other routers look at the Kitz link.
Also run a BT Wholesale speed test (ideally using an Ethernet wired PC with the WiFi turned off) then run the further diagnostics and post the results here. DO NOT REBOOT the router!
Also find your CURRENT SPEED (PlusNet line profile) from the PlusNet user portal - you will need to log in.
In another browser tab, login into the Plusnet user portal BEFORE clicking the fault & ticket links
Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.
If this post helped, please click the Thumbs Up and if it fixed your issue, please click the This fixed my problem green button below.
Re: Upload speed 25% of sync / IP profile speed for several weeks now
16-11-2017 1:27 PM
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Hi Townsman
Here are my router stats:
ADSL Link | Downstream | Upstream |
Link Rate | 5705 Kbps | 979 Kbps |
Line Attenuation | 41.5 dB | 26.1 dB |
Noise Margin | 7.8 dB | 6.1 dB |
And BTW further diagnostics results...
1. Best Effort Test: -provides background information.
Download Speed | |
4.65 Mbps |
0 Mbps | 7.15 Mbps Max Achievable Speed |
Download speedachieved during the test was - 4.65 Mbps For your connection, the acceptable range of speeds is 2 Mbps-7.15 Mbps. IP Profile for your line is - 5.03 Mbps |
2. Upstream Test: -provides background information.
Upload Speed | |
0.15 Mbps |
0 Mbps | 0.83 Mbps Max Achievable Speed |
Upload speed achieved during the test was - 0.15Mbps Additional Information: Upstream Rate IP profile on your line is - 0.83 Mbps |
and Current Line speed is 4.8MBps
Thanks
Re: Upload speed 25% of sync / IP profile speed for several weeks now
16-11-2017 2:15 PM
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Any thoughts on why the US data speed tests are so slow? Synch looks good. Is there evidence of heavy traffic on the line - for example upload synching?
In another browser tab, login into the Plusnet user portal BEFORE clicking the fault & ticket links
Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.
If this post helped, please click the Thumbs Up and if it fixed your issue, please click the This fixed my problem green button below.
Re: Upload speed 25% of sync / IP profile speed for several weeks now
16-11-2017 2:16 PM
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I'm guessing that @Townman might be looking for the full router stats (including errors and other information.)
Is that available from your router?
You've mentioned the checks you have done already - if you are using a microfilter have you tried a new one?
Re: Upload speed 25% of sync / IP profile speed for several weeks now
16-11-2017 3:23 PM
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Hi JayG,
these are the only stats my old router provides unfortunately. I also tried connecting the router via different microfilter, but not a new one. no obvious change to stats or speeds
I turned on all the logging though and it seems a regular amount of scans it depicts as Denial of Service, but not sure how that might affect upload speed:
DoS attack: ACK Scan] from source: 74.125.133.189:443, Thursday, November 16,2017 14:22:19
[DoS attack: ACK Scan] from source: 74.125.71.189:443, Thursday, November 16,2017 14:21:53
[DoS attack: ACK Scan] from source: 64.233.167.189:443, Thursday, November 16,2017 14:21:28
[DoS attack: ACK Scan] from source: 74.125.133.189:443, Thursday, November 16,2017 14:21:01
[DoS attack: RST Scan] from source: 52.94.237.178:443, Thursday, November 16,2017 14:14:26
[DoS attack: ACK Scan] from source: 185.53.178.8:80, Thursday, November 16,2017 14:12:26
[DoS attack: ACK Scan] from source: 185.53.178.8:80, Thursday, November 16,2017 14:11:11
[DoS attack: ACK Scan] from source: 104.44.88.24:443, Thursday, November 16,2017 14:10:42
- at this frequency all day.
I am not sure what else i can try
16-11-2017 4:37 PM
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Hi there.
Whilst I'm not sure why your upstream throughput is so low, it looks like the sync rate is restricted by interleaving. I'd like to turn interleaving off to see if that improves things for you.
However, I believe we've placed an order to uncap the upstream sync (when it actually looks already uncapped). So once that completes on Monday I'll get interleaving removed and we'll go from there.
Re: Upload speed 25% of sync / IP profile speed for several weeks now
16-11-2017 4:39 PM
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If they correspond to times when your Internet connection is being used, I think a lot of those "DoS attack" log entries will be false positives, your router incorrectly blocking legitimate traffic, probably on the basis that there's too much of it. Although it probably will not affect your specific issue of low upstream throughput speeds, it might generally be better if your router weren't blocking legitimate traffic.
Re: Upload speed 25% of sync / IP profile speed for several weeks now
26-11-2017 8:36 PM
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Removing interleaving increased upload speed to around 0.35 Mbps, which solved my immediate problem, although still low. Then a DLM change reset the sync to 1111 kbps and now the upload speed is around 0.95 Mbps, so all is well with my broadband now, thanks.
Re: Upload speed 25% of sync / IP profile speed for several weeks now
26-11-2017 8:43 PM
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