Assuming the WLC’s interfaces are not in the same subnet as the RADIUS server, which interface would the WLC use as the source for all RADIUS-related traffic?

Refer to the exhibit.

Assuming the WLC’s interfaces are not in the same subnet as the RADIUS server, which interface would the WLC use as the source for all RADIUS-related traffic?
A . the interface specified on the WLAN configuration
B . any interface configured on the WLC
C . the controller management interface
D . the controller virtual interface

View Answer

Answer: C

Explanation:

In a Cisco Wireless LAN Controller (WLC) setup, the controller management interface is used as the source for all RADIUS-related traffic when the interfaces are not in the same subnet as the RADIUS server. This interface is specifically designated for in-band management of the device, system traffic, and RADIUS-related communication, ensuring secure and reliable authentication and authorization services.

References: = Implementing and Operating Cisco Service Provider Network Core Technologies