Tavve zoneranger User Manual page 158

The Port is used by the redundant ZoneRangers to communicate the availability of the virtual
IP address. All messages sent between the redundant ZoneRangers on this port are encrypted.
The Port must be consistent on all redundant ZoneRangers.
The Heartbeat Interval is the frequency the redundant ZoneRangers check for the availability
of the virtual IP address. It must be greater that 1 second. The Heartbeat Interval must be
consistent on all redundant ZoneRangers.
The Heartbeat Timeout is the amount of time the ZoneRanger will wait for a positive response
indicating the availability of the virtual IP address. If this timeout is reached, another redundant
ZoneRanger will assume control of the virtual IP address. The Heartbeat Timeout must be at
least twice the Heartbeat Interval.
Polling
ZoneRanger can be used to status poll specific nodes, interfaces and TCP ports. ZoneRanger
polling can be configured on the Configuration > Polling page.
Figure 34-45. Configuration > Polling page Single Node
Configuring polling for a single node
The Enable/Disable tab displays a list of all managed nodes sorted by IP address or fully
qualified host name. When an single node or IP address is selected, polling for that individual
node may be configured. If the Polling Enabled checkbox is unchecked, all polling for that
node is disabled.
ZoneRanger 5.5 User's Guide 158