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## Testing Public Network Redundancy

This section provides the procedure for testing public network redundancy.

## How to Test Public Network Redundancy

If you perform this test, you can verify that IP addresses failover from one adapter to another adapter within the same IPMP group.

Before You Begin

To perform this procedure, assume a role that provides `solaris.cluster.read` RBAC authorization.

1. Create a logical hostname resource group which is the failover hostname to use the IPMP groups on the system.

   Use the following command:

       # clresourcegroup create lhtestgroup
       # clreslogicalhostname create -g lhtestgroup logicalhostname
       # clresourcegroup online lhtestgroup

   logicalhostname

     The IP address that is hosted on the device on which an IPMP group is configured.

2. Determine the adapter on which the logicalhostname exists.

       # ipadm show-if -o all

3. Disconnect one public network cable from the adapter you identified in Step 2.
4. If there are no more adapters in the group, skip to Step 7.
5. If there is another adapter in the group, verify that the logical hostname failed over to that adapter.

       # ipadm show-if -o all

6. Continue to disconnect adapters in the group, until you have disconnected the last adapter.

   The resource group (`lhtestgroup`) should fail over to the secondary node.

7. Verify that the resource group failed over to the secondary node.

   Use the following command:

       # clnode status lhtestgroup

8. Reconnect all adapters in the group.
9. From the initial primary node, return ownership of the resource group to the initial primary node.

       # clresourcegroup switch -n nodename lhtestgroup

   In these commands, nodename is the name of the original primary node.

10. Verify that the resource group is running on the original primary node.

    Use the following command:

        # clnode status lhtestgroup

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