Cisco Cisco Wireless LAN Controller Module Manual Técnica

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NTP Configuration and Synchronization for Unified
Wireless Network Devices
Document ID: 82471
Contents
Introduction
 Prerequisites
      Requirements
      Components Used
      Conventions
 Daylight Savings Time
 NTP Configuration
      Set Up NTP on the Location Appliance
      Set Up NTP on the WCS
      Set Up NTP on the WLCs
 Instructions for Synching the WCS, Location Appliance, and WLCs
      Synchronization Procedure
 Verify
 Troubleshoot
      Troubleshooting Commands
 Related Information
Introduction
This document explains how to configure NTP in wireless LAN devices, such as Wireless LAN Controller
(WLC), Wireless Control System (WCS), and Wireless Location Appliance.
In a Unified Wireless Network, it is essential that the WLCs, Location Appliance, and WCS use NTP in order
to have a common clock source. This document explains how to synchronize local time on the different
devices of a Unified Wireless Network. This is particularly important for Daylight Savings Time (DST)
changes.
Prerequisites
Requirements
There are no specific requirements for this document.
Components Used
This document is not restricted to specific software and hardware versions.
Conventions
Refer to Cisco Technical Tips Conventions for more information on document conventions.