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  1. OpenShift Bugs
  2. OCPBUGS-54502

Installation 4.16 cluster in AWS (self manage) with two master subnets failed at bootstrap phase.

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      Description of problem:

         Installation 4.16 cluster in AWS (self manage) with two master subnets failed at bootstrap phase.

      Version-Release number of selected component (if applicable):

          4.16

      How reproducible:

      Steps to Reproduce:

          We are installing 4.16 cluster in AWS (self manage) & in install config we have two master subnets mentioned but we found that Security group attached to NLB is updated with only one master subnet to allow 22623 traffic for bootstrapping - because of this other master nodes in second subnet not able to communicate API for bootstrapping and cluster install fails: 

https://docs.openshift.com/container-platform/4.16/installing/installing_aws/ipi/installing-aws-private.html

      Actual results:

      Expected results:

      Additional info:

          Slack Threads raised for the issue - https://redhat-internal.slack.com/archives/C0646PP2U0M/p1741582588159709

              rh-ee-thvo Thuan Vo
              rhn-support-pupadhya1 Pavitra Upadhyay
              None
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              Yunfei Jiang Yunfei Jiang
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              Votes:
              2 Vote for this issue
              Watchers:
              9 Start watching this issue

                Created:
                Updated: