Saturday, 8 December 2018

Control Roaming Behavior on Cisco Wireless Network

Minimum RSSI
If a client RSSI value is below this threshold it will not associate/authenticate to the access point, instead it will continue to look for a better signal from different access points.
Valid = -80dBm to -90dBm, Default = -90dBm

Hysteris
How much stronger the signal of another access point has to be before a client decides to roam to it. This is useful if you have multiple access points in close proximity of each other or clients are moving between the edge of coverage of different access point. The higher this value the closer a client needs to be to an access point for it to associate to the second access point.
Valid ranges are from 2 through 4 dB.

San Threshold
scan threshold this is another RSSI value range. When the wireless client’s RSSI drops below this threshold the client will begin actively scanning for another access point it can receive a stronger signal from.
Valid values range between -70 through -77.

Transition time
This is the transition time of a client to associate to different access point.
The client determines a better signal when its RSSI drops below the scan threshold and it sees a signal from a neighboring access point higher than the scan threshold.

Go to Wireless -> 802.11a/n/ac, 802.11b/g/n -> client roaming









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