Chapter 1 Introducing the NWA
To the wireless clients in the network, each SSID appears to be a different access point. As in any wireless network, clients can associate only with the SSIDs for which they have the correct security settings.
For example, you might want to set up a wireless network in your office where Internet telephony (Voice over IP, or VoIP) users have priority. You also want a regular wireless network for standard users, as well as a ‘guest’ wireless network for visitors. In the following figure, VoIP_SSID users have Quality of Service (QoS) priority, SSID03 is the wireless network for standard users, and Guest_SSID is the wireless network for guest users. In this example, the guest user is forbidden access to the wired LAN behind the AP and can access only the Internet.
Figure 5 Multiple BSSs
LAN
Internet
VoIP_SSID 
Guest_SSID
SSID03
1.2.5 Pre-Configured SSID Profiles
The NWA has two
1VoIP_SSID. This profile is intended for use by wireless clients requiring the highest QoS (Quality of Service) level for VoIP (Voice over IP) telephony and other applications requiring low latency. The QoS level of this profile is not user- configurable. See Chapter 8 on page 119 for more information on QoS.
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