Design Guide

2
Cisco Aironet 1520, 1130, 1240 Series Wireless Mesh Access Points, Design and Deployment Guide, Release 6.0
OL-20213-01
Contents
Contents
Contents 2
Mesh Network Components 5
Mesh Access Points 5
Licensing for Indoor Mesh Access Points on a 5500 Series Controller 5
Access Point Roles 5
Network Access 6
Network Segmentation 7
Cisco 1130 and 1240 Indoor Mesh Access Points 7
Cisco 1520 Series Outdoor Mesh Access Points 7
Cisco Wireless LAN Controllers 26
Cisco WCS 26
Mesh Deployment Modes 27
Wireless Mesh Network 27
Wireless Backhaul 28
Architecture Overview 29
CAPWAP 29
CAPWAP Discovery on a Mesh Network 29
Dynamic MTU Detection 30
XML Configuration File 30
AWPP 31
Traffic Flow 31
Mesh Neighbors, Parents, and Children 33
Design Considerations 35
Wireless Mesh Constraints 35
Controller Planning 37
Site Preparation and Planning 38
Site Survey 38
Pre-Survey Checklist 39
Outdoor Site Survey 39
Determining Line of Sight 39
Weather 40
Fresnel Zone 40
Fresnel Zone Size in Wireless Mesh Deployments 41
Hidden Nodes Interference 42
Co-Channel Interference 43
Wireless Mesh Network Coverage Considerations 43
Cell Planning and Distance 43