Cisco Cisco Wireless LAN Controller Module Manual Técnica
Contents
Introduction
Prerequisites
Requirements
Components Used
Conventions
Network Diagram
Configure
Configure Mobility Groups for the WLCs
Assign Primary, Secondary, and Tertiary Controllers for the Lightweight AP
Configure the Fallback Feature on WLC
Wireless LAN Controller Failover Priority
Verify
Troubleshoot
Related Information
Introduction
This document explains how to set up multiple wireless LAN (WLAN) controllers (WLCs) for a
failover condition. A failover condition occurs when a primary controller goes down or fails for any
reason. Then, a second controller takes over the operation. Failover is also called controller
redundancy.
failover condition. A failover condition occurs when a primary controller goes down or fails for any
reason. Then, a second controller takes over the operation. Failover is also called controller
redundancy.
Prerequisites
Requirements
Ensure that you meet these requirements before you attempt this configuration:
Basic knowledge of the configuration of lightweight access points (APs) and Cisco WLCs
●
Basic knowledge of Lightweight AP Protocol (LWAPP)
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Knowledge of the configuration of an external DHCP server
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Components Used
The information in this document is based on these software and hardware versions:
Cisco Aironet 1000 Series Lightweight AP
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Two Cisco 2000 Series WLCs that run firmware 3.2.78.0
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Microsoft Windows Server 2003 Enterprise DHCP server
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This 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 your network is
the devices used in this document started with a cleared (default) configuration. If your network is