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Fat AP and Cloud AP V200R008C00 CLI-based Configuration Guide

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Network Architecture of WLAN Roaming

Network Architecture of WLAN Roaming

Figure 19-2 shows the network architecture of WLAN roaming. Central AP manage RUs on the WLAN. RU_1 and RU_2 associate with the central AP. A STA roams on the WLAN. During roaming, the STA associates with different RUs. The roaming process is as follows:
  • The STA moves from the coverage area of RU_1 to RU_2. Since RU_1 and RU_2 both connect to central AP, the STA implements Intra-central AP Roaming. The STA associates with RU_1 first. RU_1 is the STA's HAP, and RU_2 is the STA's FAP.
Figure 19-2  WLAN roaming
  • Home AP (HAP): the AP that the STA first associates with, for example, AP_1 in Figure 19-2.
  • Foreign AP (FAP): the AP that the STA roams to, for example, AP_2 in Figure 19-2.
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Updated: 2019-01-11

Document ID: EDOC1000176006

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