Optimized Roaming for Sticky Clients
Short answer
A Configure the RSSI threshold to enable optimized roaming and disassociate sticky clients.
Question
Key Takeaways
Optimized roaming mitigates sticky clients by disassociating them based on a configured RSSI threshold, testing the understanding of roaming optimization parameters versus client-assist protocols.
Optimized roaming resolves the sticky client problem by forcing clients with poor signal strength to reassociate. This page establishes that configuring an RSSI threshold is the required action to enhance roaming in this scenario.
Common mistake: Choosing to enable data rates (D) because optimized roaming also evaluates data rates, but the RSSI threshold is the primary and explicit configuration parameter required to address weak signal stickiness.
Expert Analysis
Why the Answer Is Correct
Optimized roaming is designed to solve the sticky client problem by proactively disassociating clients that have roamed too far from an AP and are holding onto a weak connection. To trigger this behavior, an RSSI threshold must be configured on the WLC. When a client's RSSI falls below this configured threshold, the controller forces the client to disassociate, prompting it to roam to a closer AP with a stronger signal.
Why the Other Options Are Wrong
Disabling DFS (B) only affects channel availability and radar avoidance, doing nothing to force client roaming. Disabling 802.11k (C) is counterproductive, as 802.11k provides clients with neighbor reports to assist in roaming decisions. Enabling data rates (D) is a basic network configuration, not a specific optimized roaming feature parameter; while optimized roaming uses a data rate threshold, simply enabling basic data rates does not trigger aggressive roaming.
Community Comment Notes
Commenters agreed that configuring the RSSI threshold is the best solution for sticky clients. As Farhad123 noted, the "best solution to solve sticky client is to work with RSSI threshold". Lakshan__97 added that "Optimized roaming disassociates clients based on the RSSI of the client data packet".
Official Reference
This link opens the official vendor documentation in a new tab.
Exam Strategy
For roaming optimization questions, identify the specific mechanism being asked about. Optimized roaming relies on RSSI and data rate thresholds to force disassociations, unlike 802.11k/v/r which assist the client in making better roaming decisions voluntarily.
Community Votes
100% of anonymous learners picked answer A. Votes are pick records left by other test-takers — they are not the verified answer.
Discussion 3 contributions
Compiled from public community threads and reader submissions, lightly edited for clarity. Handles and vote tallies are shown as recorded, and comments reflect the views of individual contributors.
From public community threads 3
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Farhad123 👍 2best solution to solve sticky client is to work with RSSI threshold . here is the reference: https://www.cisco.com/c/en/us/td/docs/wireless/controller/technotes/8-0/hdx_final/b_hdx_dg_final/high_density_experience_features_added_in_release_8_0.html#topic_E673759007A04204ACB90A203D582F80
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Lakshan__97 👍 2 Answered AOptimized roaming disassociates clients based on the RSSI of the client data packet and data rate. The client is disassociated if the current data rate of the client is lower than the Optimized Roaming Data Rate Threshold
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Farhad123 👍 1A is the correct one , however D can be correct but in this case A is the right choice
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