Cisco Cisco Aironet 1522 Lightweight Outdoor Mesh Access Point Guide De Conception

Cisco

2

Cisco Mesh Access Points, Design and Deployment Guide, Release 7.0

OL-21848-01

Contents

Contents

Mesh Network Components.....5

Mesh Access Points.....5

Licensing for 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.....29

Cisco WCS.....30

Mesh Deployment Modes.....30

Wireless Mesh Network.....31

Wireless Backhaul.....31

Architecture Overview.....32

CAPWAP Discovery on a Mesh Network.....32

Dynamic MTU Detection.....33

XML Configuration File.....33

Traffic Flow.....35

Mesh Neighbors, Parents, and Children.....36

Design Considerations.....38

Wireless Mesh Constraints.....38

Controller Planning.....40

Site Preparation and Planning.....42

Site Survey.....42

Pre-Survey Checklist.....42

Outdoor Site Survey.....42

Determining Line of Sight.....43

Fresnel Zone.....43

Fresnel Zone Size in Wireless Mesh Deployments.....45

Hidden Nodes Interference.....45

Co-Channel Interference.....47

Wireless Mesh Network Coverage Considerations.....47

Cell Planning and Distance.....47