A water-utility cluster spans VPN-connected racks. Large pod-to-pod…

Question

A water-utility cluster spans VPN-connected racks. Large pod-to-pod payloads stall while small pings work. What networking issue fits this pattern?

Accepted Answer

MTU mismatch or path MTU black holes across the VPN/overlay path dropping oversized packets. — Tiny postcards get through; fat packages vanish in the VPN tunnel—classic MTU black hole. Match MTU across the path or lower the overlay size.

Answer

RBAC Roles that omit get on pods/log, which blocks only large TCP segments.

Answer

etcd snapshot schedules that pause NodePort listeners during compaction.

Answer

HPA maxReplicas set below one, which truncates packets over 512 bytes.

A water-utility cluster spans VPN-connected racks. Large pod-to-pod payloads stall while small pings work. What networking issue fits this pattern?

Short Explanation

Full Explanation