126 Summit Radio
VX5 Reference Guide E-EQ-VX5RG-G-ARC
Roam Trigger
If signal strength is less than this trigger value, the radio looks for a different AP with a stronger
signal.
Options: -50, -55, -60, -65, -70, -75 dBm,
Custom (see Note above)
Default: -65 dBm
Roam Delta
Amount by which the new AP’s signal strength must exceed the current AP’s signal strength
before roaming is attempted.
Options: 5, 10, 15, 20, 25, 30, 35 dBm,
Custom (see Note above)
Default: 10 dBm
Roam Period
The amount of time, after association or a roam scan with no roam, that the radio collects
Received Signal Strength Indication (RSSI) scan data before a roaming decision is made.
Options: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60 sec,
Custom (see Note above)
Default: 10 seconds
BG Channel Set
Defines the 2.4GHz channels to be scanned for an AP when the radio is contemplating roaming..
Options: Full (all channels)
1, 6, 11 (the most commonly used channels)
1, 7, 13 (For ETSI and TELEC radios only)
Custom (see Note above)
Default: Full
Aggressive Scan
When set to On and the current connection to an AP becomes weak, the radio scans for available
APs more aggressively. Aggressive scanning work with standard scanning (set through Roam
Trigger, Roam Delta and Roam Period). Aggressive scanning should b set to On unless there is
significant co-channel interference because of overlapping APs on the same channel .
Options: On, Off
Default: On
CCX Features
Use of Cisco Compatible Extensions (CCX) radio management and AP specified maximum
transmit power features.
Options: On, Off
Default: Off
