The Failover attributes determine the intervals at which the secondary host polls the primary host and also when the poll requests time out if they do not receive a response. After you define the primary and secondary hosts, the secondary host polls the primary host on a fixed interval. If the secondary host cannot communicate with the primary host, it attempts to take over the serviced systems for which it is designated the secondary host.
To set your own value, drag the slider bar to the number of seconds you require.
In the example illustrated in the previous figure, the default for the keep-alive timer is 120 seconds and the polling timeout is 60 seconds.
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