# Rack7 Proxmox Cluster Three-node Proxmox VE cluster on the rack7 shelf: `pbx-node1`, `pbx-node2` and `pbx-node3`, all running PVE 8.3.4 (build `8.3.4-1-lab1`). ## Virtual interfaces | vmbr | purpose | config | |-------|---------------------|----------------------------------------------------| | vmbr0 | management | 10.77.42.0/24, gateway 10.77.42.1 on pbx-node1 | | vmbr1 | lab (VLAN 42) | tag 42, no DHCP, NAT-only to the uplink | | vmbr2 | lab-iot (VLAN 130) | tag 130, DHCP served by minio01 | - Cluster firewall is enabled on every node; VLAN 42 traffic is NAT-only. - Corosync heartbeat rides vmbr0; keep the management iface out of the lab-iot VLAN. - Node roles: pbx-node1 = hypervisor + gateway, pbx-node2 = AIO containers, pbx-node3 = GPU box.