I purchased a 1 Gbps down/up connection and noticed that I was consistently getting 95 Mbit/s down/up, regardless of hardware configuration (router, no router, switch, no switch, connecting directly to the ONT, cat 6/6a cables, etc) and regardless of software configuration (VPN on/off, firewall on/off, OS Linux/Android, driver updates, etc).
When nothing seemed to help on my end, I finally called my ISP. They could confirm that my ONT is a decade old and that they can see that each port only allows for 100 Mbit/s down/up.
I went through these steps before finally testing a direct connection to the ONT which finally made me call the ISP.
The ISP is going to replace the ONT for free.


At least it was a quick call! With all the tech I run locally, I tolerate a lot of issues before I call in, assuming it’s in my stack. Then troubleshoot the stack, come up with nothing, then call the ISP and have them gaslight me (“your UPS is probably putting out bad voltage, I’ve seen that before”) and tell me to reboot the router etc only to find out it’s a common problem with these devices and the ISP is just recalcitrant.
Yeah, once my isp had me verify that the power light on my ont was on, then asked me to plug in a lamp to confirm the outlet was working…
Another time they had me do all kinds of troubleshooting, insisting there was no outage in the area… It turned out a truck had taken out the wires over the road.
On a related note to the last one, if we have a power outage, I get an email from them right away - before the ceiling fans stop spinning - warning me the internet might not work without power. But, somehow, they can’t detect outages in their own network.
I knew there had to be some truth to the “have you tried rebooting” trope…
I was mentally prepared for anything at this late a time on a Friday when all I wanted to do is to grab some sweet Linux ISOs to enjoy. So I explained every single step that I had taken, described every piece of hardware and exposed any and all quirky software that I had turned off for the final speed test. They were extremely polite and kind when they said, “you are exactly right, sir, the ports on your ONT can only deliver 100 Mbit/s. We’re getting you a new one.”
I was so goddamn relieved.
That’s awesome.