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AP-manager interface

As explained in Acing the CCNA Exam: Volume 2 Advanced Networking and Security

An AP-manager interface is a wireless LAN controller interface that communicates with lightweight wireless access points through CAPWAP tunnels.

An AP-manager interface is a logical WLC interface used to communicate with lightweight wireless access points through CAPWAP tunnels. It separates the AP communication role from the WLC’s physical distribution-system ports. section 21.2.1 section 21.4

Key operational facts:

  • Uses the WLC’s distribution-system ports to carry CAPWAP traffic. section 21.2.1
  • Uses the management interface by default. section 21.2.1 section 21.4
  • Allows a separate interface to be configured when CAPWAP traffic should be separated from management traffic such as SSH. section 21.2.1
  • Represents a logical interface rather than a physical connector. section 21.2.1

How Acing the CCNA Exam: Volume 2 Advanced Networking and Security covers it

How deep it goes
Defines the role, default assignment, and optional traffic separation, but does not provide configuration commands or verification output.
Examples
Uses the management interface by default and permits a separate AP-manager interface for CAPWAP traffic.
What you can do after
Evaluate whether CAPWAP uses the default management interface or a separately configured AP-manager interface.
How it connects
Connects CAPWAP, lightweight access points, WLC management interfaces, distribution-system ports, and SSH management traffic.
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