Set up IP addresses for high availability manager communications

 

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Overview

If your system has multiple NICs installed, select a preferred IP address, or a range of IP addresses in the case of a multicast configuration, which maps to the NIC you want the high availability manager to use for communication within a core group.

 

Procedure

1. If the core group transport is configured as either channel framework (the default) or unicast, specify the preferred IP address for the DCS_UNICAST_ADRESS port. To specify the preferred IP address for the DCS_UNICAST_ADRESS port., go to the configuration for each process that is running on the node in question, and change the Host field associated with the DCS_UNICAST_ADRESS port. For a given physical machine this action probably involves the node agent process as well as the application server processes. If the machine is running the deployment manager process that also needs to be updated. Basically all processes running on the physical machine need to be told which IP address to use for communication.

   To specify a preferred IP address for a node agent process:

   1. In the administrative console, click System administration > Node agents

   2. Select the desired node.

   3. Under Additional properties , click on Ports to bring up the list of ports that node agent process uses.

   4. Click on the port called DCS_UNICAST_ADDRESS.

   5. Enter the preferred IP address in the Host field and then click Apply to save your changes.

   Repeat these steps for the application server processes and the deployment manager process, if one is running on this machine:

   • For the application server processes, in the administrative console, click Servers > Application Servers > servername to bring up the configuration page for the desired server process.

   • For a deployment manager process, in the administrative console, click System administration > Deployment manager.

2. If the core group transport is configured as multicast, use core group properties to specify the multicast IP address range associated with the NIC. If the core group transport is configured as multicast, then the multicast IP address range associated with the NIC that the high availability manger should use for communication must be configured using core group properties instead of on a per process basis.

   1. In the administrative console, click Servers > Core groups > Core group settings

   2. Select the desired core group.

   3. Specify the first IP address in the range associated with the NIC the high availability manager should use in the Multicast group IP start field

   4. Specify the last IP address in the range associated with that NIC in the Multicast group IP end field.

   5. Click Apply to save your changes.

 

What to do next

The high availability manager uses the specified IP address or address range for communication within the core group.

 

See also

Core group and core group bridge custom properties

 

See Also

High availability manager
Core groups
High availability groups

 

Related Tasks

Adding members to a core group

 

See Also

Core group and core group bridge custom properties

 

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