107
Chapte
4 Radios
MANAGE GLOBAL SETTINGS
Global settings include radio and security settings that apply to all profiles in SCU.
To open the Global settings page:
1) Open SCU’s Configuration tabbed page as described in
Create Wi-Fi Profile.
2) Tap Manage Profiles to open the Profile settings page.
3) Tap the Globals tab to open the Global settings page.
Property
Value
Roam Trigger When the moving average RSSI from the current AP is weaker than Roam
Trigger, radio does a roam scan where it probes for an AP with a signal that
is at least Roam Delta dBm stronger.
Value (dBm): -50, -55, -60, -65, -70, -75, -80, -85, -90, Custom
Default: -70 dBm
Roam Delta When Roam Trigger is met, a second AP’s signal strength (RSSI) must be
Roam Delta dBm stronger than the moving average RSSI for the current AP
before radio will attempt to roam to the second AP.
Value (dBm): 5, 10, 15, 20, 25, 30, 35
Default: 10 dBm
Roam Period After association or roam scan (with no roam), radio will collect RSSI scan
data from Roam Period seconds before considering roaming.
Value (sec): 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, Custom
Default: 10 (seconds)
BG Channel Set Defines the 2.4 GHz channels to be scanned when the radio is contemplating
a roam and needs to determine what APs are available.
Item Description
Full All channels
1, 6, 11 The most commonly used 2.4 GHz channels
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