Introduction
1-5
1.1.7 Sixteen Configurable WLANs
A Wireless Local Area Network (WLAN) is a data-communications system that flexibly extends the
functionalities of a wired LAN. A WLAN does not require lining up devices for line-of-sight
transmission, and are thus, desirable for wireless networking. Roaming users can be handed off from
one access point to another like a cellular phone system. WLANs can therefore be configured around
the needs of specific groups of users, even when they are not in physical proximity. Sixteen WLANs
are configurable on each access point.
To enable and configure WLANs on an access point radio, see Enabling Wireless LANs (WLANs) on
page 5-27.
1.1.8 Support for 4 BSSIDs per Radio
The access point supports four BSSIDs per radio. Each BSSID has a corresponding MAC address. The
first MAC address corresponds to BSSID #1. The MAC addresses for the other three BSSIDs (BSSIDs
#2, #3, #4) are derived by adding 1, 2, 3, respectively, to the radio MAC address.
If the radio MAC address displayed on the Radio Settings screen is 00:A0:F8:72:20:DC, then the
BSSIDs for that radio will have the following MAC addresses:
For detailed information on strategically mapping BSSIDs to WLANs, see Configuring the 802.11a/n
or 802.11b/g/n Radio on page 5-55. For information on access point MAC address assignments, see
AP-7131 MAC Address Assignment on page 1-26.
1.1.9 Quality of Service (QoS) Support
The QoS implementation provides applications running on different wireless devices a variety of
priority levels to transmit data to and from the access point. Equal data transmission priority is fine
for data traffic from applications such as Web browsers, file transfers or email, but is inadequate for
multimedia applications.
BSSID MAC Address Hexadecimal Addition
BSSID #1 00:A0:F8:72:20:DC Same as Radio MAC address
BSSID #2 00:A0:F8:72:20:DD Radio MAC address +1
BSSID #3 00:A0:F8:72:20:DE Radio MAC address +2
BSSID #4 00:A0:F8:72:20:DF Radio MAC address +3
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