Asus WL-330gE User Manual download pdf (Page 26)

2-6 Chapter 2: Hardware installation

2.5 Roaming information

If there are several ASUS Portable Wireless APs operating on a network, then a

wireless client (such as Centrino notebooks or wireless PDAs) may seamlessly

roam from one ASUS Portable Wireless AP to another. Each ASUS Portable

Wireless AP creates its own wireless cell or coverage area known as a Basic

Service Set (BSS). Any wireless client can communicate with a particular ASUS AP

if it is within that AP’s coverage area.

If the cells of multiple ASUS Pocket APs overlap, then the wireless client may

switch from one ASUS Portable Wireless AP to another. During the transfer from

one ASUS AP to another, the wireless mobile client maintains an uninterrupted

connection to the network. This is called roaming.

Multiple ASUS Pocket APs connected to a common Ethernet network form

an Extended Service Set (ESS). All members of an Extended Service Set are

congured with an ID, known as the SSID or ESSID. Wireless client must be

congured with the same SSID as that of the ASUS Pocket APs on the network

since it can only roam between ASUS Pocket APs sharing the same SSID.

Important notes on roaming

• An ASUS WLAN card can only roam between APs of the same type.

• All ASUS Portable Wireless APs must have the same SSID.

• All computers with ASUS WLAN cards must have the same SSID as the

access points to enable roaming.

• If encryption is enabled, all ASUS APs and wireless clients must use the same

encryption to establish connection.

• ASUS Portable Wireless APs’ cells must overlap to provide an uninterrupted

connection for a roaming client.

• ASUS Portable Wireless APs using the same channel should be installed away

from each other to reduce potential interference.

• We strongly recommended that you perform a site survey using the ASUS

Portable Wireless AP utility to determine the best location for each wireless

device.

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Asus WL-330gE User Manual Page 26