NodePort Traffic Flow
External Access via Node Port
External Client
External Client
Outside Cluster
Cluster Nodes
Node 1
10.0.1.10:30080
NodePort
Node 2
10.0.1.11:30080
NodePort (Target)
Node 3
10.0.1.12:30080
NodePort
Service
Service VIP
172.30.45.100:8080
ClusterIP
Backend Pods
Pod 1
10.128.1.5:8080
Backend
Pod 2
10.128.2.10:8080
Backend
Pod 3
10.128.3.15:8080
Backend
External Traffic (Any Node IP:30080)
Internal Routing (iptables/OVN)
Load Balancing