Cloud Native Technology Community
Jan 16, 2020 · Cloud Native
Analysis of Duplicate UDP Packets in Kubernetes Bridge Mode and Its Resolution
The article investigates why duplicate UDP packets appear when a client accesses a pod via a Service in Kubernetes bridge mode, analyzes kernel processing with ebpf tool skbtracer, identifies the role of promiscuous mode and packet cloning, and proposes an ebtable rule to eliminate the duplication.
Bridge ModeCNIKubernetes
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