10.81.2.3 - Yunohost VM running on proxmox. Ask @astrr:astrra.space for the account if you don't have one already.
10.81.2.8 - Octoprint for the 3D printer.
10.81.2.55 - VoIP phone.
10.81.2.91 - Tamtam server.
10.81.2.99 - Blitzortung node.
Physical network setup in the proxmox box
ETH0 and ETH1 are unassigned, please don't plug anything there.
ETH2 is the WAN port, connected to the internet (the netgear DSL adapter) via PPPoE.
ETH3 is the LAN port, connected to the switch.
Virtual network setup in the proxmox box
enp2s0 - enp5s0 are ETH0 - ETH3 in the proxmox box respectively.
enp4s0 is bridged to vmbr0, which is connected to the OpenWRT VM as WAN.
enp5s0 is bridged to vmbr1, which is connected to the OpenWRT VM as LAN and to the Yunohost VM as WAN. The LAN port of the OpenWRT VM is connected to the switch via that same bridge.
OpenWRT IP ranges
10.81.2.1-100 is for the statically assigned IPs (untouched by DHCP)