What is load balancing? Do APs support load balancing based on the number of users? (If one AP has more users than another AP in an area, can users be evenly distributed between the two APs?)

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Load balancing distributes users to APs in a group based on the number of users and traffic volume. To implement load balancing based on the number of users, set a load balancing threshold for APs on the AC. The load balancing threshold specifies the maximum number of users allowed on each AP. When the number of users on an AP reaches the threshold, the AP rejects association requests from users. The AP accepts association requests only when the number of online users falls below the threshold.

Other related questions:
Principles of AP load balancing
Load balancing can evenly distribute AP traffic loads to ensure high bandwidth for each STA. The load balancing function applies to wireless networks with high user densities to ensure proper access of STAs. Depending on whether a load balancing group needs to be manually created, load balancing is classified into static and dynamic load balancing. For details about the principles, see: V200R005: Configuring Load Balancing V200R006: Configuring Load Balancing

Do Fat APs support load balancing
Fat APs do not support load balancing. Load balancing is supported only in AC+Fit AP architecture.

AP load balancing does not take effect
To implement load balancing, the following requirements must be met; otherwise, configurations fail or do not take effect. 1. The requirements for a radio to join a load balancing group are as follows: - A radio can join only one load balancing group. - The newly added radios must be of the same type as other radios in the load balancing group. Radios in a hotspot area must be of the same type. Otherwise, load balancing cannot be achieved. The type of radios in a load balancing group is determined by the type of the first added radio. - The channel of a new radio must be different from channels of other radios in the load balancing group. If the channel of a new radio is the same as channels of other radios in the load balancing group, a radio signal collision occurs. To improve coverage areas and minimize collisions, APs in a hotspot area must be configured with different channels. To detect channel collisions, check the configured channel and actual channel of the radio. - More radios can be added to a load balancing group if it is not full. In a load balancing group, radios must be configured with different channels and all these radios must be of the same type. In addition, radios of the same type support limited and fixed channels. Therefore, the number of radios in a load balancing group is limited. 2. The load balancing function applies to scenarios where there is a high degree of overlapping between APs' coverage ranges. You can adjust the AP power to enable the APs' coverage areas to overlap. When the load difference between APs reaches the load difference threshold, some STAs may access the network slowly, because the APs will reject access requests of STAs according to the load balancing algorithm. If a STA continues to send association requests to an AP, the AP allows the STA to associate when the number of consecutive association attempts of the STA exceeds the maximum number of rejection times.

If multiple users deploy APs in the same area, can these APs work properly
WLAN signals are transmitted on the 2.4 and 5 GHz frequency bands. If multiple APs are deployed in the same area and work on overlapping channels, co-channel interference will cause signal disorder. As a result, users in this area cannot obtain expected wireless network access.

An AP's MAC address conflicts with that of another AP
When an AP's MAC address conflicts with that of another AP, check whether the set system-mac command is supported in the diagnostic view of the AP. If so, the MAC address can be changed. Run the set system-mac command to change to the AP's MAC address. If the set system-mac command is not supported, change the MAC address of another AP.

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