Brocade Mobility RFS Controller System Reference Guide (Supporting software release 5.5.0.0 and later) - Manual (Page 750)

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Health
System Statistics
The Health screen displays the overall performance of the controller or service platform managed
network (system). This includes device availability, overall RF quality, resource utilization and
network threat perception.
To display the health of the wireless controller managed network:
1. Select the Statistics menu from the Web UI.
2. Select the System node from the left navigation pane.
3. Select Health from the left-hand side of the UI.
FIGURE 1 System - Health screen
4. The Devices table displays the total number of devices in the controller or service platform
managed network. The pie chart is a proportional view of how many devices are functional and
currently online. Green indicates online devices and red offline devices detected within the
controller or service platform managed network.
5. The Offline Devices table displays a list of detected devices in the network that are currently
offline but available as potential managed resources.
The table displays the number of offline devices within each impacted RF Domain. Assess whether
the configuration of a particular RF Domain is contributing to an excessive number of offline
devices.