OKD Homelab Network Architecture

Infrastructure Topology · OpenShift Community Distribution · L2 Network Diagram

WAN Link
LAN / DHCP Link
L2 Switch Link
Bootstrap
Control Plane
Worker
🌐
INTERNET
Upstream ISP / WAN
▾ WAN
📡
GLI GL-MT3000 Router
NAT · Firewall · DHCP Server · Gateway
DHCP Scope: 192.168.x.x/24 — Serves all cluster nodes
⬆ WAN Port → ISP
⬇ LAN Port → Service Node (enp0s20f0u3)
ROUTER LAN 1 PORT · DHCP 192.168.x.x
Dual-NIC Service Node
Service
Intel NUC7i5BNH — Service Node
DNS · DHCP Server · NFS · HAProxy - Cluster Support Services
CPUIntel i5-7260U @ 2.20 GHz · 4 vCPU RAM8 GB DDR4 DISK250 GB SSD NETDHCP 192.168.8.206
NIC-1: enp0s20f0u3 → Router LAN (192.168.x.x DHCP)
NIC-2: eno1 → L2 Network Switch (10.0.0.1 DHCP)
NIC-2 → SWITCH
🔀
Unmanaged L2 Network Switch
Layer-2 · All nodes on same broadcast domain · 10.0.x.x subnet
Bootstrap Node
Bootstrap
JPYXKM
DAD600 / DLL600D
CPUIntel N100 @ 3.4 GHz vCPU4 RAM12 GB DDR5 DISK512 GB SSD NETDHCP 10.0.0.145
Control Plane Nodes (×3)
Control Plane
GMKtec NucBox K9 Mini
OKD Control Plane
CPUIntel Ultra 125H @ 4.5 GHz vCPU18 RAM32 GB DDR5 DISK250 GB SSD + 1 TB NVMe NETDHCP 10.0.0.150
Control Plane
HP EliteDesk 705 G4 (396)
OKD Control Plane · 35W
CPUAMD Ryzen 5 PRO 2400GE @ 3.2G vCPU8 RAM32 GB DDR4 DISK250 GB SSD NETDHCP 10.0.0.151
Control Plane
HP EliteDesk 705 G4 (215)
OKD Control Plane · 36W
CPUAMD Ryzen 5 PRO 2400GE @ 3.2G vCPU8 RAM32 GB DDR5 DISK250 GB SSD NETDHCP 10.0.0.152
Worker Nodes (×2)
Worker
GMKtec NucBox K8 Plus Mini
OKD Worker Node
CPUAMD Ryzen 7 8845HS @ 5.1 GHz vCPU16 RAM96 GB DDR5 DISK128 GB SSD + 1 TB NVMe NETDHCP 10.0.0.155
Worker
GMKtec NucBox K12 Mini
OKD Worker Node
CPUAMD Ryzen 7 H255 @ 3.8 GHz vCPU16 RAM32 GB DDR5 DISK128 GB SSD + 1 TB NVMe NETDHCP 10.0.0.160
OKD Homelab Network · All cluster nodes on 10.0.x.x subnet via Intel NUC Node DHCP Server · Service Node bridges Router LAN → L2 Switch (DNS, HAProxy) · Diagram generated 2026-02-18