Which DHCP option must be used so Cisco Aironet 2800 APs can register to a WLC with an IPv6 management address?
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Correct answer: 52.
Why this is the answer
Option 52 is the correct DHCP option for IPv6-enabled Cisco Aironet APs to discover a Wireless LAN Controller (WLC). This option is specifically defined for DHCPv6 and allows the AP to receive the IPv6 address of the WLC. Option 43 is used in DHCPv4 for vendor-specific information, including WLC discovery for IPv4 APs. Option 60 is the Vendor Class Identifier (VCI) in DHCPv4, used by clients to identify their vendor and model. Option 82 is the Relay Agent Information option in DHCPv4, used by DHCP relay agents to insert information about the client.
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