So that's why a 2 systems were getting crappy speeds. Yes, 2. It had been used only to split a single drop from another switch between two systems.
New drop, happy clients.
Some stuff here is museum material.
The phone lines repurposed as ethernet in my parents’ house also only do 100 Mb/s. I concur, so painful. I want to put a storage server there but no matter where it’s limited by awful speeds. It also means getting faster internet would be useless because it would be limited by these wires.