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300-370 · Question #133

Which three details are contained within the LWAPP discovery response sent by each WLC to enable the LAP to choose a WLC? (Choose three.)

The correct answer is A. the controller sysName B. an AP-manager IP address E. the master controller flag. The LWAPP discovery response includes the controller's system name, an AP-manager IP address, and the master controller flag to help the Lightweight AP choose a WLC.

Troubleshooting Wireless Infrastructure

Question

Which three details are contained within the LWAPP discovery response sent by each WLC to enable the LAP to choose a WLC? (Choose three.)

Options

  • Athe controller sysName
  • Ban AP-manager IP address
  • Cthe WLC IOS version
  • Dthe mobility domain name
  • Ethe master controller flag
  • Fthe DNS server address

How the community answered

(35 responses)
  • A
    94% (33)
  • C
    3% (1)
  • D
    3% (1)

Why each option

The LWAPP discovery response includes the controller's system name, an AP-manager IP address, and the master controller flag to help the Lightweight AP choose a WLC.

Athe controller sysNameCorrect

The controller sysName identifies the Wireless LAN Controller (WLC) by its configured hostname, allowing the Lightweight Access Point (LAP) to distinguish between multiple available WLCs.

Ban AP-manager IP addressCorrect

An AP-manager IP address is the IP address of the WLC interface designated to terminate CAPWAP/LWAPP tunnels from access points, which is essential for the LAP to establish communication.

Cthe WLC IOS version

The WLC IOS version is not typically included in the LWAPP discovery response packet, as the AP's selection criteria are focused on connectivity and configuration, not software version.

Dthe mobility domain name

The mobility domain name is relevant for an AP to join a specific mobility group after it has already selected and joined a WLC, rather than being part of the initial discovery response for WLC selection.

Ethe master controller flagCorrect

The master controller flag informs the LAP if the WLC is designated as a master controller, which can influence the AP's selection process, especially during initial discovery or load balancing scenarios.

Fthe DNS server address

The DNS server address is a network configuration detail provided to clients, not a specific piece of information sent by a WLC within its LWAPP discovery response for AP selection.

Concept tested: LWAPP/CAPWAP discovery process and WLC selection

Source: https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-0/configuration-guide/b_cg80/b_cg80_chapter_010000.html

Topics

#LWAPP discovery#CAPWAP#WLC selection#AP-manager IP

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