Zyxel-communications NWA3550 Manual de usuario descargar pdf (Pagina 138)

Chapter 10 Other Wireless Configuration

NWA3550 User’s Guide

138

Figure 77 Roaming Example

The steps below describe the roaming process.

1 Wireless station Y moves from the coverage area of access point AP 1 to that of access

point AP 2.

2 Wireless station Y scans and detects the signal of access point AP 2.

3 Wireless station Y sends an association request to access point AP 2.

4 Access point AP 2 acknowledges the presence of wireless station Y and relays this

information to access point AP 1 through the wired LAN.

5 Access point AP 1 updates the new position of wireless station Y.

10.5.1 Requirements for Roaming

The following requirements must be met in order for wireless stations to roam between the

coverage areas.

1 All the access points must be on the same subnet and configured with the same ESSID.

2 If IEEE 802.1x user authentication is enabled and to be done locally on the access point,

the new access point must have the user profile for the wireless station.

3 The adjacent access points should use different radio channels when their coverage areas

overlap.

4 All access points must use the same port number to relay roaming information.

5 The access points must be connected to the Ethernet and be able to get IP addresses from

a DHCP server if using dynamic IP address assignment.

To enable roaming on your ZyXEL Device, click WIRELESS > Wireless. The screen appears

as shown.

AP 1

AP 2

Ethernet

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Zyxel-communications NWA3550 Manual de usuario Pagina 138