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300-365 · Question #20

Which two methods to discover a controller does a MAP attempt when it boots up? (Choose two.)

The correct answer is A. |f Ethernet and wireless are available, it attempts to discover only via Ethernet. B. if Ethernet is disconnected, it attempts to connect wirelessly using AWPP. A Mesh Access Point (MAP) at boot prefers Ethernet for controller discovery and only uses AWPP over the wireless backhaul when Ethernet is not available.

Wireless Deployment

Question

Which two methods to discover a controller does a MAP attempt when it boots up? (Choose two.)

Options

  • A|f Ethernet and wireless are available, it attempts to discover only via Ethernet.
  • Bif Ethernet is disconnected, it attempts to connect wirelessly using AWPP.
  • Cif only wireless is available and it is configured as a MAP, it does not attempt to connect to a
  • DIf Ethernet and wireless are available, it uses Ethernet first. If it cannot connect via Ethernet, then
  • E|f Ethernet is disconnected, it attempts to connect wirelessly using the configured DHCP option.

How the community answered

(31 responses)
  • A
    90% (28)
  • C
    3% (1)
  • D
    6% (2)

Why each option

A Mesh Access Point (MAP) at boot prefers Ethernet for controller discovery and only uses AWPP over the wireless backhaul when Ethernet is not available.

A|f Ethernet and wireless are available, it attempts to discover only via Ethernet.Correct

When both Ethernet and wireless uplinks are present at boot, a MAP uses the Ethernet interface exclusively for controller discovery, ensuring the more reliable wired path is used without any simultaneous or fallback wireless discovery attempt.

Bif Ethernet is disconnected, it attempts to connect wirelessly using AWPP.Correct

If the Ethernet interface is disconnected, the MAP switches to wireless discovery using AWPP (Adaptive Wireless Path Protocol), associating through a neighboring RAP or MAP to reach the WLC via the mesh backhaul.

Cif only wireless is available and it is configured as a MAP, it does not attempt to connect to a

A MAP configured for wireless mesh does not abandon controller discovery when only wireless is available - it actively attempts to connect through a neighboring mesh node using AWPP rather than failing silently.

DIf Ethernet and wireless are available, it uses Ethernet first. If it cannot connect via Ethernet, then

When Ethernet is present, a MAP uses only Ethernet for discovery and does not fall back to wireless even if the Ethernet-based attempt fails - the Ethernet interface being present locks it to the wired discovery path.

E|f Ethernet is disconnected, it attempts to connect wirelessly using the configured DHCP option.

When Ethernet is disconnected, a MAP uses AWPP over the wireless mesh backhaul for controller discovery, not a DHCP option - DHCP-based discovery is an Ethernet-path mechanism, not a wireless mesh fallback.

Concept tested: Cisco mesh MAP controller discovery boot sequence

Source: https://www.cisco.com/c/en/us/td/docs/wireless/controller/7-6/configuration/guides/consolidated/b_cg76_CONSOLIDATED/b_cg76_CONSOLIDATED_chapter_010010110.html

Topics

#MAP#controller discovery#AWPP#Ethernet boot sequence

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