MikroTik community forum. slow 2.5 gbit performance with hardkernel odroid h2+.In the WebUI of SwOS in the link tab I can see that the devices are connected with the speed of 2.5Gbits.
Understanding the 2.5 Gbit Performance Issue.The core issue here revolves around why the expected 2.5 Gbit speeds weren't being realized within the KVM environment.

You'll probably have issues with performance and may well not reach ~10 Gbit even on an ideal cable.... The "proper" option is to get (or borrow) a cable analyser (or a person with one)...

Such details provide a deeper understanding and appreciation for Gbit Performance Issues.

This particular example perfectly highlights why Gbit Performance Issues is so captivating.