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Oracle WebLogic Server 12c Advanced Administration Cookbook by Dalton Iwazaki

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Using Multicast for cluster communications

WebLogic can also use Multicast for cluster communications.

When configured for using Multicast, the Managed Servers of the cluster subscribe to a Multicast address and port and listen for heartbeats and cluster messages. Unlike Unicast, Multicast communication uses UDP and broadcasts the message through the network and therefore does not guarantee that the message is received.

Getting ready

To configure Multicast, the Administration Server must be running.

How to do it...

To configure the Multicast communication for the cluster:

  1. Access the Administration Console with your web browser at http://prod01.domain.local:7001/console.
  2. Click on the Lock & Edit button to start a new edit session.
  3. Expand the Environment ...

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