Check Point QUANTUM SPARK 1600 - Changing Network Configuration of Cluster Members; Resetting Cluster Configuration

Managing Internal Certificates
Quantum Spark 1500, 1600, and 1800 Appliances R81.10.X Locally Managed Administration Guide|146
Falling back from the Secondary Cluster Member to the Primary Cluster Member
1. Connect to the WebUI on the primary Cluster Member:
https://<IP Address of the Primary Cluster Member>:4434
2. From the left navigation panel, click Device.
3. In the Advanced section, click the High Availability page.
4. Click Disable Manual Failover.
A confirmation message shows.
5. Click Yes.
The original primary member is now the Active Cluster Member.
Changing Network Configuration of Cluster Members
Procedure
1. Reset the cluster configuration on the secondary Cluster Member.
See "Resetting Cluster Configuration" below .
2. On the primary Cluster Member, change the configuration.
3. On the primary Cluster Member, click Reinitialize Trust.
4. Reconnect the secondary Cluster Member, which fetches the new configuration.
Resetting Cluster Configuration
Procedure
1. Connect to the WebUI on a Cluster Member:
https://<IP Address of the Cluster Member>:4434
2. From the left navigation panel, click Device.
3. In the Advanced section, click the High Availability page.
4. Click Reset Cluster Configuration.
Important - This deletes all cluster configuration settings. You must run the New Cluster
Wizard again to configure the cluster.