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[原创] IIOT-IPQ6010 WIFI router support-What is the relationship between VAP-AP-STA?

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发表于 2024-1-12 15:42:40 | 显示全部楼层 |阅读模式 来自 江苏省苏州市
IIOT-IPQ6010 WIFI router support-What is the relationship between VAP-AP-STA?

In WiFi, VAP is the ABBreviation of Virtual Access Point. VAP is a virtualization technology that allows the creation of multiple logically independent access points on a single physical wireless access point (AP).

By using VAP, multiple virtual access points can be created on the same physical device, each with its own SSID (Service Set Identifier) and security settings. This means that multiple independent WiFi networks can be provided on one physical AP, and each network can have different configurations and access rights.

VAP technology has various applications in wireless networks. For example, in public places or businesses, VAPs can be used to provide multiple independent WiFi networks to meet the needs of different user groups. In addition, VAP can also be used for network testing and troubleshooting by creating virtual access points to simulate different network environments.
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The number of VAPs (Virtual Access Points) depends on the hardware and software support of the wireless access point (AP). Some APs may only support the creation of one VAP, while other APs may support the creation of multiple VAPs.

Typically, commercial-grade APs usually support the creation of multiple VAPs, and the number can vary according to the specifications and functions of the device. Some advanced APs can even support dozens of VAPs.

It should be noted that creating multiple VAPs may have an impact on AP performance. Each VAP requires certain processing power and bandwidth resources to support connected devices. Therefore, when creating multiple VAPs, you need to ensure that the AP has sufficient processing power and bandwidth to support the needs of all VAPs.

In short, the number of VAPs depends on the AP's hardware and software support. Commercial-grade APs usually support the creation of multiple VAPs, but the specific number will vary depending on device specifications and functions.

There can be multiple APs and multiple STAs. In a wireless network, there can be multiple wireless access points (AP) and multiple terminal devices (STAs). Each AP can connect to multiple STAs, allowing them to access the wireless network simultaneously. This configuration of multiple APs and multiple STAs can provide better network coverage and capacity to meet the needs of more users. Each STA can choose to connect to the nearest AP, or choose the best AP to connect to based on signal strength and other factors. This multi-AP and multi-STA configuration can provide better network performance and user experience.


Under normal circumstances, a STA can only connect to one AP. STA can scan surrounding APs and select one to connect to. Once connected to an AP, the STA will establish a wireless connection with the AP and access the network through the AP. If the STA needs to switch to another AP, it needs to disconnect from the current AP and reconnect to the new AP.

However, there are some special cases where a STA can be connected to multiple APs at the same time. In this case, a wireless bridge or Wireless Distribution System (WDS) is usually used. Wireless bridges or WDS can connect multiple APs together to form an extension of the wireless network. In this case, STAs can access the network by connecting to different APs, achieving seamless roaming and greater coverage. However, this configuration requires special hardware and software support, and not all APs support this functionality.


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