Administration Console Online Help

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Create a cluster


  1. If you have not already done so, in the Change Center of the Administration Console, click Lock & Edit (see Use the Change Center).
  2. In the Administration Console, expand Environment and select Clusters.
  3. Click New.
  4. Enter the name of the new cluster.
  5. Enter the multicast address of the new cluster.

    IP multicast is a simple broadcast technology that enables multiple applications to subscribe to a given IP address and port number and listen for messages. A multicast address is an IP address in the range from 224.0.0.0 to 239.255.255.255.

    The valid range is from 224.0.0.0 to 239.255.255.255. The default value used by WebLogic Server is 239.192.0.0. You should avoid using multicast addresses in the range x.0.0.1

    This address must be unique to this cluster and should not be shared by other applications.

  6. Enter the multicast port for the new cluster.

    The multicast port is used by cluster members to communicate with each other. Valid values are between 1 and 65535.

  7. Click Ok.
  8. To activate these changes, in the Change Center of the Administration Console, click Activate Changes.
    Not all changes take effect immediately—some require a restart (see Use the Change Center).

Result

The new cluster will appear in the Summary of Clusters table.


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