Autonomous vs Lightweight AP
An autonomous AP is a self-contained access point you configure individually. A lightweight AP offloads its brains to a central Wireless LAN Controller (WLC) over CAPWAP — so you configure once and manage hundreds of APs together.
Side by side
| Autonomous AP | Lightweight AP | |
|---|---|---|
| Management | Standalone, configured individually | Centrally via a WLC |
| Config | Each AP separately | Push once to all APs |
| Protocol | — | CAPWAP to the controller |
| Best for | A few APs | Many APs / enterprise |
Why enterprises use controllers
Configuring 200 autonomous APs by hand is unmanageable. With lightweight APs, the WLC handles configuration, RF management, roaming and security centrally, and each AP tunnels traffic to it via CAPWAP. This split-MAC model is core CCNA/CCNP wireless architecture.
When autonomous still makes sense
For a small site with a handful of APs, autonomous mode avoids controller cost and complexity. The decision is scale: a few APs → autonomous; many APs or multi-site → lightweight + WLC. See what an access point is.
Frequently asked questions
What is the difference between autonomous and lightweight APs?
Autonomous APs are configured individually and run standalone. Lightweight APs are managed centrally by a Wireless LAN Controller (WLC) over CAPWAP, so you configure and manage them all from one place.
What is CAPWAP?
Control And Provisioning of Wireless Access Points — the protocol a lightweight AP uses to tunnel to and be managed by a WLC.
What is a WLC?
A Wireless LAN Controller — the central device that manages lightweight access points, handling configuration, RF tuning, roaming and security for the whole wireless network.
When should I use autonomous APs?
For small deployments with only a few access points, where a controller's cost and complexity aren't justified. Larger or multi-site networks use lightweight APs with a WLC.
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