Cisco Cisco 2504 Wireless Controller 문제 해결 가이드

Contributed by Patrick Croak and Young Kim, Cisco TAC Engineers.
Apr 10, 2013

Introduction
Prerequisites
     Requirements
     Components Used
     Conventions
Types of Site Surveys
     Passive Survey
     Active Survey
     Predictive Surveys
Plan for the Survey
Checklist of Base Items to ask the Site Survey Provider
Mistakes That Make a Survey Poor
     Calibration
     Signal Propagation
     Survey Path
     Incomplete Walking Path
     Complete Walking Path
Considerations for Capacity
Channel Scanning, SSID, and Adapter Type
Key Items to Check in a Post−validation Survey
     Coverage
     Overlap
     Signal−to−Noise Ratio
     Noise Floor
     Bleed Through
     Rogues and Interferers
Use WLC Link−Test to Assist with Coverage Assessment
     How to check for AP coverage
Understand Wireless Data Rates
     Coverage (Cell Size)
     Management Frames
     Multicast Delivery
Common Troubleshooting Scenarios
     Verification of Signal Strength
        inSSIDer
        Neighbor List on 792x Phone
Related Information

The first step in a wireless LAN (WLAN) deployment is to ensure that desired operation begins with a site
survey to assess the Radio Frequency (RF) behavior in a specific environment. Many issues can arise in a
wireless network due to poor planning and coverage.