CHAPTER 5
Configuring and Deploying the Access Point
This section describes how to connect the AP to a controller. For instructions on how to configure the AP,
see the Cisco Wireless Controller Configuration Guide for the relevant release.
• The Controller Discovery Process, on page 31
• Deploying the Access Point on the Wireless Network, on page 32
• Checking the Access Point LEDs, on page 32
The Controller Discovery Process
To support the CW9166D1 AP, the controller must be running Cisco IOS XE Dublin 17.12.1 or a later release.
For more information, see the ***CW9166D1 Datasheet Pending***.
Guidelines and Limitations
• It is not possible to edit or query an access point using the controller CLI if the name of the access point
contains a space.
• Make sure that the controller is set to the current time. If the controller is set to a time that has already
occurred, the access point might not join the controller because its certificate may not be valid for that
time.
The AP must discover the controller before it can become an active part of the network. The AP supports the
following controller discovery processes:
• Locally stored controller IP address discovery: If the access point was previously joined to a controller,
the IP addresses of the primary, secondary, and tertiary controllers are stored in the access point's
nonvolatile memory. This process of storing controller IP addresses on an accesspoint for later deployment
is called priming the access point. For more information about priming, see Performing a Preinstallation
Configuration (Optional), on page 17.
• DHCP server discovery: This feature uses DHCP Option 43 to provide controller IP addresses to the
access points. Cisco switches support a DHCP server option that is typically used for this capability. For
more information about DHCP Option 43, see Configuring DHCP Option 43, on page 37.
• DNS discovery: The access point can discover controllers through your domain name server (DNS). For
the access point to do so, you must configure your DNS to return controller IP addresses in response to
CISCO-CAPWAP-CONTROLLER.localdomain, where localdomain is the access point domain name.
Configuring the CISCO-CAPWAP-CONTROLLER provides backwards compatibility in an existing
Cisco Catalyst Wireless 9166D1 Series Wi-Fi 6E Access Point Hardware Installation Guide
31
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