Working with autonomous APs
Key concepts
19-2
Key concepts
This chapter describes how to use the controller in conjunction with autonomous APs.
Tip Most of this chapter applies to working with autonomous MSM APs. For third-party
autonomous APs, see Working with third-party autonomous APs on page 19-6.
APs can operate in either controlled mode or autonomous mode. In controlled mode, the
controller provides centralized management of APs. This is the preferred operation mode.
See Chapter 6: Working with controlled APs.
However, in some other cases it is necessary to operate APs in autonomous mode, for
example under the following circumstances:
When an AP is used to create a static WDS (local mesh) link. Controlled mode does not
support static local mesh links. It is strongly recommended that dynamic WDS (local
mesh) links be used. They provide the same capabilities but with greater flexibility.
Furthermore, local mesh is supported in controlled mode.
An AP at software version 4.x or earlier is used. Controlled mode is available on APs at
software version 5.x or higher. It is strongly recommended that controllers and
autonomous APs be updated to the same software version, and preferably 5.x or higher.
Controlled APs are automatically updated to the controller software version.
It is recommended that you operate most MSM APs in controlled mode, reserving
autonomous mode only for APs that need features unique to autonomous mode. In
autonomous mode, the following features are not available: Centralized management,
wireless mobility, and WPA2 Opportunistic key caching.
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