topic Re: Ping time >200ms in Full Fibre

Ping time >200ms

markavey — Tue, 07 Sep 2021 08:43:32 GMT

Hi,

I'm getting very high ping times - generally over 200ms, often over 300ms.

I've tried switching DNS providers, but it stays pretty much the same.

Any ideas? Is a line check required?

Thanks,

Mark

Re: Ping time >200ms

Anonymous — Tue, 07 Sep 2021 09:16:11 GMT

@markavey wrote:

I'm getting very high ping times - generally over 200ms, often over 300ms.

Ping times mostly depend on the distance (or length of route) to the site you are pinging,

by the delay caused by your router IF your UPLOAD path is being heavily used (due to "bufferbloat").

Try pinging a nearby site to see whether you still get >200ms - I use ntp.plus.net

To test for "bufferbloat" try using http://www.dslreports.com/speedtest

@markavey wrote:

I've tried switching DNS providers, but it stays pretty much the same.

Changing DNS providers won't make any difference to ping times.

@markavey wrote:

Any ideas? Is a line check required?

Probably not, only if your line speed had dramatically slowed as well - which you would have mentioned

Re: Ping time >200ms

tallbox — Tue, 07 Sep 2021 09:21:31 GMT

This is terrible.
I have 215ms ping as well, and it's not only me. Few people around the town I know have the same issue with Plusnet.

Come to one Plusnet, fix this; we can't work from home with this.
It's even painfully slow to open the forum here.

I've just renewed my contract, but I'll have to revoke the entire thing if this continues.

Re: Ping time >200ms

Anonymous — Tue, 07 Sep 2021 09:22:39 GMT

Oh no ! I'm getting 5.6ms to ntp.plus.net and A+ on the "bufferbloat" test 🤣

Re: Ping time >200ms

tallbox — Tue, 07 Sep 2021 09:26:04 GMT

Just did what you suggested:

Bufferfloat averages between 50 to 900.

Before July everything worked fine, so strange.

Re: Ping time >200ms

markavey — Tue, 07 Sep 2021 09:26:43 GMT

Thanks for the tip, but:

"The server at ntp.plus.net is taking too long to respond" - it won't load the page

Re: Ping time >200ms

markavey — Tue, 07 Sep 2021 09:30:16 GMT

Here's my results from bufferbloat test

http://www.dslreports.com/speedtest/69444893

Re: Ping time >200ms

Anonymous — Tue, 07 Sep 2021 09:34:19 GMT

@markavey wrote:

"The server at ntp.plus.net is taking too long to respond" - it won't load the page

? you meant to be pinging that address, not trying to view it on a web browser.

Open a terminal window and type -

ping ntp.plus.net

or whatever the equivalent command is for your operating system

How were you testing ping before ?

I get this -

$ ping ntp.plus.net PING ntp.plus.net (212.159.13.49) 56(84) bytes of data. 64 bytes from cdns01.plus.net (212.159.13.49): icmp_seq=1 ttl=61 time=6.14 ms 64 bytes from cdns01.plus.net (212.159.13.49): icmp_seq=2 ttl=61 time=5.90 ms 64 bytes from cdns01.plus.net (212.159.13.49): icmp_seq=3 ttl=61 time=6.31 ms 64 bytes from cdns01.plus.net (212.159.13.49): icmp_seq=4 ttl=61 time=6.21 ms 64 bytes from cdns01.plus.net (212.159.13.49): icmp_seq=5 ttl=61 time=6.38 ms

Re: Ping time >200ms

markavey — Tue, 07 Sep 2021 09:38:38 GMT

Ah, sorry, misunderstood.

Weird, just did the ping from the command line and now down to 21ms. Tried again on Speedtest (which is what I originally used) and down to 22 there. So perhaps just a temporary hiccup?

Re: Ping time >200ms

Anonymous — Tue, 07 Sep 2021 09:43:41 GMT

@markavey wrote:

Here's my results from bufferbloat test

http://www.dslreports.com/speedtest/69444893

That doesn't look right.

Are you on ADSL or FTTC ?

If you are on ADSL then the download speed is being reported incorrectly.

If you are on FTTC you should be getting way more upload speed - unless someone else was uploading something at the same time as you did the test.

Re: Ping time >200ms

markavey — Tue, 07 Sep 2021 09:50:45 GMT

I'm on Unlimied Fibre Extra, so FTTC?

No uploads were taking place so far as I know. Upload speed has always been bad, but I'm not overly concerned with that.

Re: Ping time >200ms

markavey — Tue, 07 Sep 2021 09:52:34 GMT

Re-test results with Fibre selected: http://www.dslreports.com/speedtest/69445006

Re: Ping time >200ms

RobPN — Tue, 07 Sep 2021 10:26:18 GMT

@markavey wrote:

Here's my results from bufferbloat test

http://www.dslreports.com/speedtest/69444893

@markavey

Probably of no relevance, but here's mine for comparison;

http://www.dslreports.com/speedtest/69445176

Re: Ping time >200ms

Anonymous — Tue, 07 Sep 2021 12:16:25 GMT

@markavey wrote:

Upload speed has always been bad, but I'm not overly concerned with that.

Unfortunately it is technically quite challenging to overcome "bufferbloat" and the associated high ping problems on a broadband connection with an upload throughput of less than 1mbps, and ideally you need more than 2mbps.

What does the "BT Broadband Availability Checker" show for your "VDSL Range A" and "VDSL Range B" ?

Go to this website -
https://www.broadbandchecker.btwholesale.com
then -
    enter your telephone number
    enter the Captcha code
    click on [Submit]

So you know what to look for, mine looks like this -

Re: Ping time >200ms

markavey — Tue, 07 Sep 2021 13:48:53 GMT

Here's my results

Re: Ping time >200ms

Anonymous — Tue, 07 Sep 2021 14:41:06 GMT

So that says that your MINIMUM expected upload speed is 6Mbps but your results today have shown 0.587Mbps.

If I were you, I would first run the "BT Broadband Performance Test"
https://speedtest.btwholesale.com/

Click on the GO button and let the test run.

When it has completed, click on the [Additional Diagnostic] button
In the "Additional Diagnostic" window, select the box [Telephone Number (DN)]
then in the box below type in your telephone number
and then hit the [Run Diagnostic] button

Doing this will automatically send a test result to Plusnet who can then see what you experienced when the line was slow or showing a high ping

Then use the Plusnet "Fault Reporter" at
http://faults.plus.net/
where Plusnet can help you fix the upload speed problem and consequently reduce the likelihood of seeing those >200ms pings.

Re: Ping time >200ms

tallbox — Tue, 07 Sep 2021 17:04:58 GMT

@Anonymous great advice.

Just did that and results are = 352 Ms ping
I'm sending the report to them

Re: Ping time >200ms

TheMightyAJ — Tue, 07 Sep 2021 20:23:57 GMT

Hi @tallbox,

I'm sorry to hear you've been experiencing issues with the service. I've tested your line this evening and have discovered an external landline fault, which is likely causing the problem. I've raised a fault ticket on your account regarding this, which can be found here.

Re: Ping time >200ms

markavey — Wed, 08 Sep 2021 07:33:34 GMT

Thanks for the detailed info.

I've done the BTW Performance check - 172ms ping on that.

Somewhat ironically, the fault reporting page is down for maintenance, so I'll try that later.

Thanks for all of your assistance here.

Re: Ping time >200ms

markavey — Wed, 08 Sep 2021 07:35:46 GMT

Actually, I just noticed on the BTW Performance check this message:

Summary Advanced Test

Your speed test has completed and the results are shown above, however during the test an error occurred while trying to retrieve additional details regarding your service. As a result we are unable to determine if the speed you received during the test is acceptable for your service. Please re-run the test if you require this additional information.

I tried running the test again, but got the same message. This is after entering my phone number.