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Configuring the Wireless AP

Discovery and Registration Overview

SCALANCE WLC711

3-16 C79000-G8976-C260-03, 07/2012, User Guide, V8.11

2. Connect the Wireless AP to a power source to initiate the discovery and registration process.

For more information, see “Methods of Connecting and Powering a Wireless AP” on

page 3-18.

Adding a Wireless AP Manually Option

You can manually add a Wireless AP to the SCALANCE IWLAN Controller, however, the AP

must still go through the automatic discovery and registration process to locate the controller. The

AP may skip the discovery process if it has a static list, or has previously connected and registered

with the controller. For more information, see “Adding and Registering a Wireless AP Manually”

on page 3-18.

Defining Properties for the Discovery Process

Before a Wireless AP is configured, you must define the following properties for the discovery

process:

• Security Mode

• Discovery Timers

The discovery process is the process by which the Wireless APs determine the IP address of the

SCALANCE IWLAN Controller.

Security Mode

Security mode defines how the SCALANCE IWLAN Controller behaves when registering new,

unknown devices. During the registration process, the SCALANCE IWLAN Controller’s approval

of the Wireless AP’s serial number depends on the security mode that has been set:

• Allow all Wireless APs to connect

– If the SCALANCE IWLAN Controller does not recognize the registering serial number, a

new registration record is automatically created for the AP (if within MDL license limit).

The AP receives a default configuration. The default configuration can be the default

template assignment.

– If the SCALANCE IWLAN Controller recognizes the serial number, it indicates that the

registering device is pre-registered with the controller. The controller uses the existing

registration record to authenticate the AP and the existing configuration record to

configure the AP.

• Allow only approved Wireless APs to connect (this is also known as secure mode)

– If SCALANCE IWLAN Controller does not recognize the AP, the AP's registration record

is created in pending state (if within MDL limits). The administrator is required to

manually approve a pending AP for it to provide active service. The pending AP receives

minimum configuration, which only allows it to maintain an active link with the

controller for future state change. The AP's radios are not configured or enabled. Pending

APs are not eligible for configuration operations (VNS Assignment, default template,

Radio parameters) until approved.

– If the SCALANCE IWLAN Controller recognizes the serial number, the controller uses

the existing registration record to authenticate the AP. Following successful

authentication, the AP is configured according to its stored configuration record.

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