An AP acting as the wireless domain services (WDM) on the wireless LAN
maintains a cache of credentials for CCKM-capable client devices on the
wireless LAN. When a CCKM-capable client roams from one AP to another, the WDM
forwards the client's credentials to the new AP. Only two packets pass
between the client and the new AP, greatly shortening the reassociation time.
The WDM also forwards wireless LAN statistics to the Wireless LAN Solutions
Engine (WLSE).
The WLSE
will be covered in depth in Module 11.
If the AP will serve as the WDS or as an WDS candidate, use the WDS settings
page to configure the AP as an WDS. For the WDS, choose an AP that:
- can be physically secured to prevent theft.
- serves few client devices, because the WDS duties of the AP can degrade
performance for associated client devices.
The Wireless Services > AP page and settings are shown in
Figures
and
.