The 802.11k standard
allows clients to request neighbor reports containing information about known
neighbor access points that are candidates for a service set transition. The
use of the 802.11k neighbor list can limit the need for active and passive
The assisted roaming
feature is based on an intelligent and client optimized neighbor list.
The 802.11k neighbor
list is generated dynamically on-demand and is not maintained on the switch.
The 802.11k neighbor list is based on the location of the clients without
requiring the mobility services engine (MSE). Two clients on the same switch
but different APs can have different neighbor lists delivered depending on
their individual relationship with the surrounding APs.
By default, the
neighbor list contains only neighbors in the same band with which the client is
associated. However, the dual-list configuration allows 802.11k to return
neighbors in both bands.
Clients send requests
for neighbor lists only after associating with the APs that advertise the RRM
capability information element (IE) in the beacon. The neighbor list includes
information about BSSID, channel, and operation details of the neighboring