Dell PowerConnect W Clearpass 100 Software 3.7 Deployment Guide - Page 356
Prepare Secondary Node, Cluster initialization, downtime threshold, Save and Continue, Join Cluster
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You can select a single virtual IP address by entering one IP address in the Virtual IP Address field, or specify than one virtual IP by entering a comma-separated list of multiple IP addresses. Each node in the cluster must be able to resolve the other node by using a DNS lookup. This is verified during the cluster initialization. In practice, this means that you must configure your local DNS or DHCP server with appropriate entries for each node. You must enter a shared secret for this cluster. The shared secret is used to authenticate the messages sent between the nodes in the cluster. For an explanation of the downtime threshold parameter. See "Primary Node Failure" in this chaper. Click the Save and Continue button to prepare the primary node. Prepare Secondary Node To prepare the secondary node, log in to that node and click the Join Cluster command link. Use the Cluster Configuration form to enter the shared secret for the cluster and the IP address of the primary node. Click the Prepare Node button to save and verify the settings for the secondary node. Cluster initialization To complete the setup of the cluster, return to the primary node after preparing the secondary node and click the Confirm Node Settings button. 356 | High Availability Services Amigopod 3.7 | Deployment Guide
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