This one has me baffled

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nightzombie

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I was with webafrica and rsaweb and their support wasnt good so i bounced around.. however line speeds internationally were fine and working. I wont say who my provider is but we still using vumatel. 200/200 fibre. When doing local speed tests i get 200 down and normally 200 up but lately its hitting 80 to 120mbps on upload. But here is where it gets odd. I have a gigabit connection to router and local speeds are great considering. But i had my router replaced and decided to do some speed tests so using ookla i ran speeds tests to london and usa. Getting 10.8/10.8 london and 8.8/8.8 mbps usa. So i ran the test connecting directly to the ont and dialing up and hard wire again i get same speeds. So put my router back onto the ont. I decide for fun to test my wifi speeds to london on my cell phone and i get 200/200. For some odd reason my hard wire direct to ont is still giving 10/10 .. and i checked that we using mbps.. i made a new cat 5e lan cable from a fresh batch of cable and used a gigabit usb adaptor and had a gigabit connection. Used it on both pc and laptop. Even my laptops 2.4ghz wifi is getting faster speeds than lan cable... ive never seen this before. I have been doing IT for over 24 years. Worked in support for a isp and managed IT for large companies and been to over 50 homes to fix wireless and fibre problems.. i have never seen this happen and its baffling me and my isp and vumatel technicians. Could i have a faulty ONT ?
 
Interesting, just want to make sure ...
You have your PC-A connected to LAN CAT5 to Router-A...You then replaced Router A with Router B.
You Use PC-A(Lan) and compared to other Pc wireless connected to router-A or Router-B.
You also connected PC-A directly to ONT-? =I assume you program your ISP info to your PC-A on new network created connected directly to ONT-?
-If you move PC-A to a friends setup what happens-?
 
I wasnt sure what the speeds were internationally before swapoing the router .. i know local tests were good. But i connected direct to ont with my pc and my laptop twice on each with 2 different cables. Speed tests were all the same. But connected router back to ont and used the wifi on cell phone and wifi gave me 200 / 200 to london and on wired ethernet im getting 10/10 .. but even if i take router out the picture im getting same speeds on ont.
 
nightzombie said:
. . . never seen this before. I have been doing IT for over 24 years. Worked in support for a isp and managed IT for large companies and been to over 50 homes to fix wireless and fibre problems.. i have never seen this happen and its baffling . . .
Click to expand...

Firstly, how many times do we have to ask you to start using paragraphs? :sneaky::p;):unsure:

Secondly, the problem is probably caused by ethernet ports that are getting clogged up:

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https://www.capetalk.co.za/articles/471849/south-africa-in-the-midst-of-a-cockroach-outbreak#:~:text=The%20situation%20is%20being%20described,a%20surge%20in%20German%20cockroaches.
mybroadband.co.za
 
nightzombie said:
I wasnt sure what the speeds were internationally before swapoing the router .. i know local tests were good. But i connected direct to ont with my pc and my laptop twice on each with 2 different cables. Speed tests were all the same. But connected router back to ont and used the wifi on cell phone and wifi gave me 200 / 200 to london and on wired ethernet im getting 10/10 .. but even if i take router out the picture im getting same speeds on ont.
Click to expand...

Let me guess. Windows...

Run the below command as admin and it should sort the issue.

netsh int tcp set global autotuninglevel=normal
 
I have seen some Windows PCs revert to 10Mbps half-duplex.

You can check the sync rate by checking the status of the interface. If it isn't 1Gbps then follow these steps.

Win+R
ncpa.cpl (Enter)
Right click ethernet adapter - > Properties
Configure
Advanced (Tab)
Speed & Duplex (Make sure it's on auto-negotiation or set it manually to 1Gbps).
 
netstrider said:
I have seen some Windows PCs revert to 10Mbps half-duplex.

You can check the sync rate by checking the status of the interface. If it isn't 1Gbps then follow these steps.

Win+R
ncpa.cpl (Enter)
Right click ethernet adapter - > Properties
Configure
Advanced (Tab)
Speed & Duplex (Make sure it's on auto-negotiation or set it manually to 1Gbps).
Click to expand...
If OP's information is correct then he has tested local speed tests and they give the full line speed so I highly doubt this is the issue.
 
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