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1、ContentsIntroductionPrerequisitesRequirementsComponents UsedConventionsBackground InformationConfigureNetwork DiagramConfigure the WLC for Basic OperationConfigure the Switch for the WLCConfigure the Switch for the APsVerifyTroubleshootCommandsController Does Not Defend AP-Manager IP AddressTroubles
2、hoot a Lightweight Access Point Not Joining a Wireless LAN ControllerCisco Support Community - Featured ConversationsRelated InformationIntroductionThis document provides a basic configuration example of a lightweight access point (AP) that is connected to a Cisco Wireless LAN (WLAN) Controller (WLC
3、) through a Cisco Catalyst Switch.PrerequisitesRequirementsEnsure that you meet these requirements before you attempt this configuration: Basic knowledge of the configuration of lightweight APs and Cisco WLCs Basic knowledge of Lightweight AP Protocol (LWAPP) Knowledge of the configuration of an ext
4、ernal DHCP server and/or domain name server (DNS) Basic configuration knowledge of Cisco switchesComponents UsedThe information in this document is based on these software and hardware versions: Cisco Aironet 1232AG Series Lightweight AP Cisco 4402 Series WLC that runs firmware 5.2.178.0 Microsoft W
5、indows Server 2003 Enterprise DHCP serverThis configuration works with any other Cisco WLC and any lightweight AP.The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If y
6、our network is live, make sure that you understand the potential impact of any command.ConventionsRefer to the Cisco Technical Tips Conventions for more information on document conventions.Background InformationIn order for the WLC to be able to manage the LAP, the LAP should discover the controller
7、 and register with the WLC. There are different methods that an LAP uses in order to discover the WLC. For detailed information on the different methods the LAPs use to register to the WLCs, refer to Lightweight AP (LAP) Registration to a Wireless LAN Controller (WLC)This document describes the conf
8、iguration steps needed to register the LAP to the WLC and for basic operation of the LWAPP wireless network.ConfigureIn order to register the LAP to the WLC and for basic operation of the LWAPP wireless network, complete these steps:1. Have a DHCP server present so that the APs can acquire a network
9、 address.Note: Option 43 is used if the APs reside in a different subnet.2. Configure the WLC for basic operation.3. Configure the switch for the WLC.4. Configure the switch for the APs.5. Register the lightweight APs to the WLCs.Note: Use the Command Lookup Tool (registered customers only) in order
10、 to obtain more information on the commands used in this section.Network DiagramThis document uses this network setup:Configure the WLC for Basic OperationWhen the controller boots at factory defaults, the bootup script runs the configuration wizard, which prompts the installer for initial configura
11、tion settings. This procedure describes how to use the configuration wizard on the command-line interface (CLI) in order to enter initial configuration settings.Note: Be sure that you understand how to configure an external DHCP server and/or DNS.Complete these steps in order to configure the WLC fo
12、r basic operation:1. Connect your computer to the WLC with a DB-9 null modem serial cable.2. Open a terminal emulator session with these settings:o 9600 baudo 8 data bitso 1 stop bito No parityo No hardware flow control3. At the prompt, log in to the CLI.The default username is admin, and the defaul
13、t password is admin.4. If necessary, enter reset system in order to reboot the unit and start the wizard.5. At the first wizard prompt, enter a system name. The system name can include up to 32 printable ASCII characters.6. Enter an administrator user name and password. The user name and password ca
14、n include up to 24 printable ASCII characters.7. Enter the service-port interface IP configuration protocol, either none or DHCP.Enter none if you do not want to use the service port or if you want to assign a static IP address to the service port.8. If you entered none in step 7 and need to enter a
15、 static IP address for the service port, enter the service-port interface IP address and netmask for the next two prompts.If you do not want to use the service port, enter 0.0.0.0 for the IP address and netmask.9. Enter values for these options:o Management interface IP addresso Netmasko Default rou
16、ter IP addresso Optional VLAN identifierYou can use a valid VLAN identifier or 0 for untagged.10.Note: When the management interface on the controller is configured as part of the native vlan on the switchport to which it connects, the controller should NOT tag the frames. Therefore, you must set the VLAN to be zero (on the controller).11.Enter the Network Interface (Distribution System) Physical Port number.For the WLC, the possible ports are 1 through 4 for a front
