Packet flow in Contiv/VPP

February 4, 2019 ยท View on GitHub

This guide provides a detailed description of paths traversed by request and response packets inside Contiv/VPP Kubernetes cluster under different situations.

NOTE: THIS GUIDE IS OUT-OF-DATE. IT DOES NOT INCLUDE SEPARATE VRF FOR PODS WHICH WAS ADDED MORE RECENTLY.

Index

  1. Pod to Pod on the same node
  2. Pod to Pod on a different node
  3. Pod to Host
  4. Host to Pod
  5. Pod to Internet
  6. Pod to Service with chosen endpoint from the same node
  7. Pod to Service with chosen endpoint from a different node
  8. Pod to Service with chosen endpoint in the host network stack
  9. Host to Service