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Viewing Access Points SSIDs (Service Set Identifiers)

Viewing Access Points SSIDs (Service Set Identifiers)

The SSIDs page lists the service set identifiers defined on the current wireless access point device. The SSID is a unique identifier that wireless networking devices use to establish and maintain wireless connectivity. Multiple access points on a network or subnetwork may use the same SSIDs. As an example, Cisco Aironet devices support up to 16 SSIDs and support different configuration settings for each SSID. All SSIDs are simultaneously active, depending on configuration, wireless client devices can associate to the access point using any SSID.

Data points include the following:

  • Interface: Lists the interface for the device. As an example, for Cisco devices, you will typically see interfaces such as Do0 for dot11radio 0. This item is also a link to the Interface Viewer.

  • SSID Index: The index value for the listed service set ID.

  • SSID: The natural-language service set identifier.

  • Max Stations: A radio setting defining the maximum number of connected client stations for the wireless device. The default setting is 255.

  • MIC Algorithm: A WEP encryption setting that prevents certain attacks on WEP-encrypted packets. If none is used, this value reads micNone.

  • Permute Algorithm: Lists the WEP permute algorithm configured for each SSID. This setting defines how the WEP encryption key is permuted between key renewal periods for stations associated with the radio interface.

  • Broadcast SSID: Also called Guest Mode in Cisco IOS. The default guest SSID is identified in Aironet devices as tsunami. Any access point will have either a single guest-mode SSID or none. This data point identifies the guest SSID advertised by the access point beacon for guest use if any.