[RHOCP 4] Troubleshooting and Resolving MTU Issues in Cluster

Solution Verified - Updated -

Issue

  • Specific nodes encounter difficulty pinging master nodes due to apparent MTU (Maximum Transmission Unit) issues.

    $ ping -s 1472 10.xxx.xxx.1xx -M do
ping: local error: Message too long, mtu=1376

Environment

  • Red Hat OpenShift Container Platform
    • 4

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