IPSec tunnel on Openshift 3 is not working in the whole subnet.

Solution Verified - Updated -

Issue

  • Following official implementation process of IPSec in Openshift, nodes are in NotReady status. Link to the doc

There are some error messages that we could face, ending up in no connectivity via IPSec and nodes in NotReady status, despite of everything is configured as stated by the guide.

Environment

  • Openshift Container Platform (OCP) 3.x
  • Libreswan

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