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Cisco IOS Software Configuration Guide for Cisco Aironet Access Points
OL-29225-01
Chapter 7 Configuring Multiple SSIDs
Configuring Multiple SSIDs
Configuring Multiple SSIDs
These sections contain configuration information for multiple SSIDs:
• Default SSID Configuration, page 7-4
• Creating an SSID Globally, page 7-4
• Using a RADIUS Server to Restrict SSIDs, page 7-7
Note In Cisco IOS Release 12.3(4)JA and later, you configure SSIDs globally and then apply them to a
specific radio interface. Follow the instructions in the “Creating an SSID Globally” section on page 7-4
to configure SSIDs globally.
Default SSID Configuration
In Cisco IOS Release 12.3(7)JA there is no default SSID.
Creating an SSID Globally
In Cisco IOS Releases 12.3(2)JA and later, you can configure SSIDs globally or for a specific radio
interface. When you use the dot11 ssid global configuration command to create an SSID, you can use
the ssid configuration interface command to assign the SSID to a specific interface.
When an SSID has been created in global configuration mode, the ssid configuration interface command
attaches the SSID to the interface but does not enter ssid configuration mode. However, if the SSID has
not been created in global configuration mode, the ssid command puts the CLI into SSID configuration
mode for the new SSID.
Note SSIDs created in Cisco IOS Releases 12.3(7)JA and later become invalid if you downgrade the software
version to an earlier release.
Beginning in privileged EXEC mode, follow these steps to create an SSID globally. After you create an
SSID, you can assign it to specific radio interfaces.
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
dot11 ssid ssid-string Create an SSID and enter SSID configuration mode for the new
SSID. The SSID can consist of up to 32 alphanumeric
characters. SSIDs are case sensitive.
The SSID can consist of up to 32 alphanumeric, case-sensitive,
characters.
Note The first character cannot contain the !, #, or ; character.
Note +, ], /, ", TAB, and trailing spaces are invalid characters
for SSIDs.