Intermec WA21 System Manual page 26

Chapter 1 — Getting Started
12
Host
Ethernet
This illustration shows a wireless network with multiple access points. Wireless end
devices can roam between the access points to communicate with the host and other
end devices.
An end device initiates a roam when it attaches to a new access point. The
access point sends an attach message to the root access point, which in turn
forwards a detach message to the previous access point, allowing each
access point to update its forwarding database. Intermediate access points
monitor these exchanges and update their forwarding databases.
With the access point's multichannel architecture, you can have more than
one access point within the same cell area to increase throughput and
provide redundancy. For more information, see "Using Dual Radio Access
Points for Redundancy" on page 24.
To install multiple access points with roaming end devices
1 Follow the instructions for installing a simple wireless network on page
10.
2 Configure the LAN ID. For help, see "Configuring the Spanning Tree
Parameters" on page 105.
3 Configure one of the access points to be a root access point. For help,
see "About the Primary LAN and the Root Access Point" on page 101.
4 If your network has a switch that is not IEEE 802.1d-compliant and is
located between access points, configure data link tunneling. For help,
see "About Ethernet Bridging/Data Link Tunneling" on page 103.
MobileLAN access WA2X System Manual