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CLI-based Configuration Guide - WLAN-AC

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010

This document provides the concepts, configuration procedures, and configuration examples of WLAN-AC features.
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Overview of Roaming

Overview of Roaming

Definition

WLAN roaming on a WLAN allows STAs to move from one AP to another belonging to the same ESS, with uninterrupted service transmission. In Figure 6-1, STA moves from AP_1 to AP_2 without service interruption.

Figure 6-1  WLAN roaming networking

Purpose

The biggest advantage of WLAN networks is that a STA can move within a WLAN network without physical media restrictions. WLAN roaming allows the STA to move within a WLAN network without service interruption. An ESS includes multiple APs, and when a STA moves from one AP to another, WLAN roaming ensures seamless transition of STA services.

WLAN roaming offers the following advantages:
  • Retains the STA's IP address. After roaming, the STA can still access the initially associated network and retains its services.

  • Avoids packet loss or service interruption caused by long-term authentication.

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Updated: 2019-05-20

Document ID: EDOC1100033726

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