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How can I debug and test whether multicast traffic is working between two hosts?

Updated -

Introduction

This article describes some of the basic debugging steps that can be used to troubleshoot multicast related issues within a cluster.

Environment

  • Red Hat Cluster Suite 4+
  • Red Hat Enterprise Linux Server 5 (with the High Availability Add on)
  • Red Hat Enterprise Linux Server 6 (with the High Availability Add on)

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