Nortel 2220 Using Manual page 55

[Final Draft—Nortel Confidential]
A wireless infrastructure can also support roaming for mobile workers. More than
one access point can be configured to create an Extended Service Set (ESS). By
placing the access points so that a continuous coverage area is created, wireless
users within this ESS can roam freely. All Nortel Networks Wireless LAN--Series
2200 wireless network cards and adapters and Access Point 2220 wireless access
points within a specific ESS must be configured with the same SSID
.
Desktop PC
Chapter 3 Network Configuration and Planning
File
Server
Switch
Switch
Notebook with Wireless
PC Card Adapter
Access Point
<BSS1>
PC with Wireless
PCI Adapter
Using the Nortel Networks Wireless LAN Access Point 2220
Notebook with Wireless
PC Card Adapter
<BSS2>
Access Point
<ESS>
Seamless Roaming
55