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Zorluk: ZorCisco Wireless Architectures and AP Modes

A network architect is designing a wireless solution for a remote branch connected to a main campus via a WAN link. The design requires wireless client data traffic to be switched locally onto the branch switch, while control and management traffic are directed to a centralized Wireless LAN Controller (WLC). Which two statements accurately describe the behavior of the access points at the branch when operating in FlexConnect mode? (Select two.)

  1. The access point maintains a CAPWAP control tunnel to the WLC while switching client data frames locally onto the branch network.Cevap
  2. If the WAN link to the central controller fails, the access point enters standalone mode and continues to switch client traffic locally.Cevap
  3. C
    The access point encapsulates all client data traffic within a CAPWAP data tunnel to be processed by the central WLC.
  4. D
    When loss of WLC communication occurs, the access point automatically switches to Rogue Detector mode to scan local wired switch ports.

Cevap

In FlexConnect mode configured for local switching, the access point maintains a CAPWAP control tunnel to the Wireless LAN Controller for management while bridging client data traffic locally onto the branch VLAN. If WAN connectivity to the controller is lost, the access point transitions to standalone mode to continue switching local traffic for existing clients.
FlexConnect mode is designed for branch office scenarios. It allows the access point to maintain a CAPWAP control tunnel to the centralized Wireless LAN Controller for management purposes while switching client data traffic locally directly onto the branch VLAN. Furthermore, if the WAN link drops and contact with the central controller is lost, FlexConnect access points transition into standalone mode, allowing them to continue switching data locally for existing clients without disruption.

Adım Adım Çözüm

1
Analyze the operational requirements for remote branch access point deployment across a WAN.
The requirement calls for centralized management coupled with local data switching.
FlexConnect mode is specifically designed for branch office environments to prevent client data traffic from unnecessarily consuming WAN bandwidth.
2
Evaluate CAPWAP tunnel separation in FlexConnect local switching mode.
The CAPWAP control plane tunnel terminates at the central controller, whereas client data frames bypass the CAPWAP data tunnel and are bridged directly onto the local Ethernet switch port.
This split-MAC capability allows control functions to remain central while keeping high-volume data traffic local.
3
Determine access point resiliency during controller disconnection.
FlexConnect access points switch from connected mode to standalone mode upon losing WLC heartbeat packets.
Standalone mode ensures business continuity at branch sites by keeping local switching functional.

Anahtar Kavram

Cisco FlexConnect AP Mode Operations and Resiliency
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Cisco Wireless Architectures and AP Modes

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