Discovery appliances that only detect devices and collect device data are called Probes, which are members of the Infoblox Grid, separately dedicated to the tasks of polling and discovery of networks and devices. A separate appliance, called the Consolidator, aggregates and organizes all collected device information from the Probes and synchronizes with the Grid Master. For more information, see Consolidator and Probes.
You can configure supported appliances as the Consolidator and Probes, as illustrated in the figure Network Insight Appliances Added as Grid members below. The Consolidator aggregates discovered data it collects from Probes and transfers the data to the Grid Master for device management and reporting purposes.
In the Grid, the Grid Master synchronizes data among all Grid members through encrypted VPN tunnels. Communications between the Consolidator and Probes are also through encrypted VPN tunnels. The default source and destination UDP port number for VPN tunnels in a Grid is 1194. You can use the default port number or change it for VPN communications. Note that all the VPN tunnels in the Grid use the same port number that you have chosen.
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