Adding multiple IP from AWS to one of the OCP nodes changes the node host IP

Solution Verified - Updated -


  • After adding two IPs or more to one of the nodes on cloud-provider enabled environment, OpenShift Node internal IP is changed and node gets unavailable
  • Why node IP address is not consistent when adding multiple virtual IPs to a cloud provider enabled environment?
  • Routing problem occurs on OCP SDN after configuring additional NIC on AWS EC2 instance


  • Red Hat OpenShift Container Platform(OCP) v3.10
  • Red Hat OpenShift Container Platform(OCP) v3.11
  • Red Hat OpenShift Container Platform(OCP) v4
  • AWS EC2.

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