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It is also possible to optimize roaming for non-802.11k clients. You can generate a prediction neighbor list for each client without the client requiring to send an 802.11k neighbor list request. When this is enabled on a WLAN, after each successful client association/re-association, the same neighbor list optimization is applied on the non-802.11k client to generate the neighbor list and store the list in the mobile station software data structure. Clients at different locations have different lists because the client probes are seen with different RSSI values by different neighbors. Because clients usually probe before any association or re-association, this list is constructed with the most updated probe data and predicts the next AP that the client is likely to roam to.
We discourage clients from roaming to those less desirable neighbors by denying association if the association request to an AP does not match the entries on the stored prediction neighbor list.
assisted-roaming prediction Example: Controller(wlan)# assisted-roaming prediction |
Configures assisted roaming prediction list feature for a WLAN. By default, the assisted roaming prediction list is disabled.
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wireless assisted-roaming prediction-minimum count Example: Controller# wireless assisted-roaming prediction-minimum |
Configures the minimum number of predicted APs required for the prediction list feature to be activated. The default value is 3.
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wireless assisted-roaming denial-maximum count Example: Controller# wireless assisted-roaming denial-maximum 8 |
Configures the maximum number of times a client can be denied association if the association request is sent to an AP that does not match any AP on the prediction. The valid range is from 1 to 10, and the default value is 5. | ||
wireless assisted-roaming prediction-minimum count Example: Controller# wireless assisted-roaming prediction-minimum |
Configures the minimum number of predicted APs required for the prediction list feature to be activated. The default value is 3.
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Controller# configure terminal Controller(config)# wlan test Controller(config)(wlan)# assisted-roaming prediction
Controller(config)# wireless assisted-roaming prediction-minimum 3 Controller(config)# wireless assisted-roaming denial-maximum 3
show wireless client mac-address <> detail
Controller# debug dot11 dot11k ? all all detail 802.11k detail errors 802.11k errors events 802.11k events optimization 802.11k optimization simulation 802.11k simulation
Controller# set trace dot11 dot11k ? detail Dot11k Detailed debugging errors Dot11k Errors debugging events Dot11k Events debugging filter Trace Adapted Flag Filter history Dot11k History debugging level Trace Level optimization Dot11k Optimization debugging simulation Dot11k Simulation debugging