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6-2
Cisco Wireless LAN Controller Configuration Guide
OL-8335-02
Chapter 6 Configuring WLANs
Wireless LAN Overview
Wireless LAN Overview
The Cisco Wireless LAN Solution can control up to 16 wireless LANs for lightweight access points.
Each wireless LAN has a separate wireless LAN ID (1 through 16), a separate wireless LAN SSID
(wireless LAN name), and can be assigned unique security policies.
Lightweight access points broadcast all active Cisco Wireless LAN Solution wireless LAN SSIDs and
enforce the policies that you define for each wireless LAN.
Note Cisco recommends that you assign one set of VLANs for wireless LANs and a different set of VLANs
for Management Interfaces to ensure that controllers properly route VLAN traffic.
Configuring Wireless LANs
These sections describe how to configure wireless LANs:
• Displaying, Creating, Disabling, and Deleting Wireless LANs, page 6-2
• Activating Wireless LANs, page 6-3
• Assigning a Wireless LAN to a DHCP Server, page 6-3
• Configuring MAC Filtering for Wireless LANs, page 6-3
• Assigning Wireless LANs to VLANs, page 6-4
• Configuring Layer 2 Security, page 6-4
• Configuring Layer 3 Security, page 6-6
• Configuring Quality of Service, page 6-8
Displaying, Creating, Disabling, and Deleting Wireless LANs
On the controller CLI, enter these commands to display, create, disable, and delete wireless LANs:
• Enter show wlan summary to display existing wireless LANs and whether they are enabled or
disabled. Note that each wireless LAN is assigned a wireless LAN ID from 1 to 16.
• Enter config wlan create wlan-id wlan-name to create a new wireless LAN. For wlan-id, enter an
ID from 1 to 16. For wlan-name, enter an SSID of up to 31 alphanumeric characters.
Note When wireless LAN 1 is created in the Configuration Wizard, it is created in enabled mode;
disable it until you have finished configuring it. When you create a new wireless LAN using the
config wlan create command, it is created in disabled mode; leave it disabled until you have
finished configuring it.
• If you need to modify an enabled wireless LAN, disable it first using the config wlan disable
wlan-id command. Leave wireless LANs in disabled mode until you finish configuring them.
• Enter config wlan enable wlan-id to enable a wireless LAN.
• Enter config wlan delete wlan-id to delete a wireless LAN.