ADSL: How to work out whether its your ISP or Telkom Line causing issues?

Cicero

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When having issues with your ADSL line, its often difficult to know who to blame, and to diagnose the problem yourself. If its an ISP problem, reporting to Telkom will only waste a few days for them to tell you its not their fault, and similarly the other way around.

These are the steps I take when diagnosing the problem, so I know who to email/phone to get the problem sorted out asap.

1) First you want to run a speedtest and check the results. Go to www.speedtest.net and click "begin test". The results will be from a local server, meaning that the ping should be less than 100ms. The actual download speed should be slightly less than your line speed. For international tests, drag the green box on the map to a server internationally and run the test - pings should be 180ms to 250ms to be normal, but speeds should remain the same. You can also use mybroadbands speedtest, http://speedtest.mybroadband.co.za/ .

Here's mine for a 6mbps line (local test): http://www.speedtest.net/my-result/3230372626
So for example normal parameters are as follows:
  • 1mbps line = 0.89Mbps
  • 2mbps = 1.7Mbps
  • 6mbps = 5.3Mbps
Similarly for upload, anything around 0.4mbps is normal.
If either is considerably less and slow (or considerably higher for pings), then you know there's a problem. But you still dont know whether its your ISP, or line (Telkom).

2) Restart your router and redo step 1 just to check that rebooting your router doesn't resolve any problems.

2) Now use a spare ISP to check if its your ISP. Go to http://www.afrihost.com/site/product/adsl_capped?src=website_nav , Afrihost will give you a free 1GB capped account which you can use for testing or whatever you like for that matter. (If you're already on Afrihost is may be worth getting a different spare small account from someone else)
Log into your router by opening up your browser and going to the routers IP address. If you dont know it, its usually shown on a sticker underneath the router. Normally something like 192.168.1.1, or 192.168.0.1, or 10.0.0.1 or 10.0.0.2 for example. It'll ask you for a username and password to enter - if you dont know those, try the default ones shown on the bottom of the router.
- Once into your router look for the Basic Settings where your ISP login and password are entered.
Here is mine for a Netgear router: settings.jpg
- First make sure you know your current ISP login and password before entering the Afrihost spare account details.
- Now use your afrihost spare 1GB account details and click apply, or save to activate. The router will restart and after a minute or so you will be able to browse the web on the spare account.

3) Rerun the www.speedtest.net steps at 1. And jot down the results.
- If the results are exactly the same as your initial findings in step 1, then you can be confident that its not an ISP issue but more a Telkom line issue.

Now that you've established who's fault it is, you can report it to them being more confident that after the initial report it should be resolved. Nothing worse than reporting to your ISP, they come back saying, its not our fault, then you report to Telkom who then fix it. Or the other way around.

To report Telkom faults go here: http://www.telkom.co.za/general/customercentre/faults.html
- Select report a fault online and follow the steps. They will follow up within a few days.

To report your ISP problem, just email/phone them and tell them your issues you've discovered.
- they may ask you to run ping tests, tracerts too, but thats for another day.
 
THanks for the Guide. Really Helpful stuff! On a side note my ISP is Afrihost and I they actually manage my line for me so apparently if I do ever have connection problems they will sort it out for me whether it be ISP or ADSL problem. I never had a problem so I have never been able to test them but have you heard about this?
 
THanks for the Guide. Really Helpful stuff! On a side note my ISP is Afrihost and I they actually manage my line for me so apparently if I do ever have connection problems they will sort it out for me whether it be ISP or ADSL problem. I never had a problem so I have never been able to test them but have you heard about this?
Well perhaps, but its not ideal having to rely on them to do the checking. Its always easier to tell them they ARE the problem, you've checked using ISP XYZ and the problem goes away, so fix it. Or if its a line problem, telling Afrihost/Telkom that its their line problem, because you've checked with 2 different ISP accounts and they both give the same issue.

Its always worth having a backup account other than your main ISP account just to check with. The fact that Afrihost gives 1gig free account makes them ideal for that. If I were you I'd purchase a small secondary account elsewhere.
 
Personally, I'd adjust the steps. Or add a bit more to them.

If the line is completely dead, you can't start off with going to speedtest.net :P
 
Will telkom ever do anything except reset the port of downgrade your speed though?
 
Please explain to me why I'm downloading a torrent at 220kB/s on my 2Mbps line and Web browsing's sort of OK but it's nearly impossible to watch youtube videos because they sometimes stop buffering after the first 20 seconds.
 
Will telkom ever do anything except reset the port of downgrade your speed though?

I don't follow, would you mind clarifying?

If you mean "is that all they'll do if you go to them with a problem" then the answer is no. I have two lines with them. My parents one gave trouble from the day it got activated. Whenever I logged a call with them (via the web or calling), they sent someone out to investigate the problem. Most of the time it was due to the faulty connector box thing on the telephone poll.

I actually think Telkom are quite high up on the decent services list. I'd had worse service from other companies, much worse service.

Please explain to me why I'm downloading a torrent at 220kB/s on my 2Mbps line and Web browsing's sort of OK but it's nearly impossible to watch youtube videos because they sometimes stop buffering after the first 20 seconds.

A couple of things:

- Are you trying to watch youtube while you're downloading a torrent?
- What ISP are you with? It's quite likely that you're being shaped / throttled.
- What quality are you trying to view on Youtube?
- On the buffering, I've noticed on my 1 meg line that after loading and starting to play, it'll freeze after 10ish seconds, then start again after a short while. It's done this to me all the time, even when streaming on 240p :/
 
I've got a 20 gigs of Telkom capped in addition to my uncapped. Useful for troubleshooting. So when I call Telkom its a Telkom line with Telkom data. That tends to shut them up about ISPs.

WhatNow.jpg
 
Personally, I'd adjust the steps. Or add a bit more to them.

If the line is completely dead, you can't start off with going to speedtest.net :P
Erm, if your line is completely dead then its Telkom, doesn't take a genius.
 
I've got a 20 gigs of Telkom capped in addition to my uncapped. Useful for troubleshooting. So when I call Telkom its a Telkom line with Telkom data. That tends to shut them up about ISPs.

View attachment 95783
Haha, are they run on different backbones though? Surely the majority of the time you have a problem with your uncapped line you're gonna have an issue with the capped account too? Especially if its an undersea cable issue or something, where using a different ISP on a different backbone will show that up.
 
I just wanna add in here that I have a couple of (small, dont get excited :D) spare accounts I use for debugging issues, so if anyone wants to use them just PM me and I'll help you out.
 
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