Today I went to the datacenter again. I haven't been since my last update due to reasons, but it's nothing I've given up on or anything.
So today I thew in a second router and a second switch - now we have redundancy! Or should have, at least. In theory. You know.
After tightening the screws and putting the cables in place I just had to plug in my laptop and check if things worked alright, but unfortunately I had left my adapter thing at home. Gone are the days of laptops with RJ45 connectors...
So I did what I could; I packed up, went home, and discovered nothing's working. So I guess I'll be heading back tomorrow.