The USB-C hub (HooToo USB C hub) does indeed support gigabit ethernet.
I'm just finding it a bit odd that my system specs is displaying 10/100 instead of 10/100/1000.
If it’s displaying 10/100, then that’s because that’s all the device is offering to the computer.
The Ethernet Router, Switch, Hub, etc. determine the speed your computer can communicate at on the network.
Doesn’t matter how fast the network port is on your computer. The device you plug your computer into will determine the speed. It will not show Gigabit if the device isn’t offering a Gigabit connection to your computer.
From what I’m reading, it appears that your HooToo is creating a USB 3.0 Bus. Ethernet over USB is never a strong performer.
USB 1, 2, and 3 are shared bandwidth with a theoretical maximum that is rarely ever achieved.
I would suspect that you either have a driver issue, or a bandwidth issues if the HooToo is not providing a Gigabit connection.
However... let’s assume for a moment that the HooToo is providing a Gigabit connection.
You are still connecting an Ethernet cable between the HooToo and another Device (Router, switch, Hub, Modem, etc).
If that device isn’t offering Gigabit connections on the LAN ports, then your HooToo is going to step down to 10/100.
And even if that device is Gigabit... if it’s plugged into anything else that isn’t Gigabit, then it will step down to 10/100 as well.
Essentially, you need to research and test everything that’s in your network. The weakest link determines the maximum speed of everything.
And... never assume that any Gigabit device offers Gigabit on every port. Usually they don’t.
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I believe that the 2017 macbook pros should all have USB 10/100/1000 (gigabit) enabled, not dependent on the ethernet.
Mac or PC... you can’t get Gigabit on the computer if your Ethernet is not supplying Gigabit through the entire connection.
Everything that is in the line between your Internet provider and your computer will determine your maximum speed.
If you have 2 inch pipes throughout your house capable of delivering 7 gallons per minute to every faucet, you expect 7 gallons per minute flow. But suppose one of the lines close to the water pump is the size of a straw... it’s going to slow the water supply to every faucet to a dribble. Doesn’t matter that the faucet and the rest of the pipes are rated for 7 gallons per minute.