802.11r Fast BSS Transition (FT) is specifically designed to enable fast, secure roaming by performing key negotiation and authentication before the client physically roams to the new AP. This is the standard, modern method within Aruba ESP for minimizing latency and packet loss during client movement, especially important for a mix of device types.

In a high-density environment with co-channel interference, the optimal approach is to leverage Aruba’s adaptive radio management (ARM) via Airmatch for dynamic channel and power optimization. Reducing transmit power helps contain cell sizes and reduce overlap, while Airmatch intelligently finds the best channels. Manual assignment (option 2) is less adaptive, and options 1 & 3 address client steering or frame filtering, not the root cause of RF interference.

A precise security policy should be as specific as possible. This rule correctly identifies the source (Employee user role), the specific destination (Corporate Data Center network), and allows any required service. It follows the principle of least privilege, unlike the overly permissive options 1 and 2, or the incomplete option 3 which is not a full rule definition.

ClientMatch is Aruba’s proprietary technology for intelligent band steering and load balancing. Its core function is to monitor client and AP conditions (like SNR, load, and capabilities) and proactively steer clients to the most suitable AP and radio (2.4GHz or 5/6GHz) to optimize overall network performance and user experience.

Band steering is the primary mechanism used to encourage capable dual-band clients to connect to the 5GHz (or 6GHz) band. If clients are stuck on 2.4GHz, the first place to check is the band steering configuration (e.g., ‘prefer-5GHz’ settings) on the SSID or WLAN. While ClientMatch (option 3) does more advanced steering, basic band steering is the foundational setting for this behavior.

Client Isolation, often listed as ‘Peer-to-Peer Blocking’ or ‘Block Intra-SSID Traffic’ in Aruba OS, is the standard feature that prevents wireless clients on the same SSID/VLAN from communicating directly with each other. This is a critical security and privacy control for public guest networks. The other options provide encryption, specific threat blocking, or authentication but do not inherently prevent client-to-client communication.

The core tenet of Zero Trust, as implemented in Aruba ESP, is eliminating implicit trust. Traditional models trust users and devices inside the network perimeter. Zero Trust mandates continuous verification of identity and context (user, device, application, location) for every access attempt, regardless of whether the request originates from inside or outside the traditional network boundary.

In a conductor-managed architecture, the Mobility Conductor acts as the central management point. Configuration changes intended for multiple managed controllers (e.g., SSID settings, security policies) should be made at the Conductor level and pushed down via configuration groups or profiles. This ensures consistency, simplifies management, and avoids configuration drift that occurs when managing devices individually.

The Enforcement Policy is the decision-making engine in a ClearPass service. It evaluates the context gathered from authentication, profiling, and health checks, and then makes the final access control decision. It dictates the outcome (Allow, Deny, Quarantine) and assigns the specific access privileges, such as a dynamic VLAN or user role, that will be enforced by the network device.

802.11r Fast BSS Transition (FT) is specifically designed to enable fast, secure roaming by performing key negotiation and authentication before the client physically roams to the new AP. This is the standard, modern method within Aruba ESP for minimizing latency and packet loss during client movement, especially important for a mix of device types.0