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Site Survey Tool - TamoGraph

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Introduction
Overview
System Requirements
Driver Installation
Licensing and Trial Version Limitations
Interface Overview
Access Point List
Floor Plan / Site Map
Plans and Surveys, Properties, and Options Panel
Main Menu
Performing a Site Survey
New Project Wizard
Calibration
Configuration
Data Collection
Understanding Survey Types: Passive, Active, and Predictive
Active Survey Configuration
Best Practices, Tips, and Tricks
Survey Job Splitting
Predictive Surveys
Drawing Walls and Other Obstructions
Drawing Attenuation Zones
Placing and Configuring Virtual APs
Working with Presets
Applying Visualizations
Working with Multi-floor Sites
Mixing Real and Virtual Data
Best Practices, Tips, and Tricks
Analyzing Data – Passive and Predictive Surveys
Selecting Data for Analysis
Adjusting AP Locations After Passive Surveys
Splitting an AP into Multiple Unique APs
Working with Multi-SSID APs
Visualization Types
Signal Level
Signal-to-Noise Ratio
Signal-to-Interference Ratio
AP Coverage Areas
Number of APs
Expected PHY Rate
Frame Format
Channel Bandwidth
Channel Map
Requirements
Analyzing Data – Active Surveys
Selecting Data for Analysis
Visualization Types
Actual PHY Rate
TCP Upstream and Downstream Rate
UDP Upstream and Downstream Rate
UDP Upstream and Downstream Loss
Round-trip Time
Associated AP
Requirements
Spectrum Analysis
Hardware Requirements
Spectrum Data Graphs
Performing Spectrum Analysis Surveys
Viewing Collected Spectrum Data
Exporting Spectrum Data
Reporting and Printing
Customizing Reports
Google Earth Integration
Configuring TamoGraph
Plans and Surveys
Properties
Plan / Map
Environment
Client Capabilities
Requirements
Scanner
Options
Colors and Value Ranges
AP Detection and Placement
Visualization Settings
Miscellaneous
Configuring GPS Receiver
Using GPS Configuration Dialog
Finding the GPS Receiver Port Number
Taking Photographs
Voice Control
Using TamoGraph in a Virtual Machine
Frequently Asked Questions
Sales and Support

Working with Multi-SSID APs

A multi-SSID (also called “multi-MAC”) access point is a single access point that broadcasts multiple SSIDs using a single radio. Each SSID uses a separate, distinct MAC address (also known as “BSSID”), which means that such APs appear as separate, distinct devices for WLAN users. Detection of multi-SSID APs is important for one of the visualizations, namely Signal-to-Interference Ratio, for an obvious reason: despite the fact that multiple SSIDs use the same channel, they cause no interference between themselves.

TamoGraph attempts to detect such multi-SSID APs and mark them accordingly. They appear as a group of icons on the floor plan, where each SSID/MAC address is represented by one icon. They also share a single tooltip window that lists the SSIDs and MAC addresses used by the AP’s radio.

Because detection of multi-SSID APs cannot be 100% reliable for a number of technical reasons, TamoGraph allows you to link several icons to form a multi-SSID AP if automatic detection failed or, conversely, split an incorrectly detected multi-SSID AP into separate radios. These operations can be performed using the Multi-MAC/Multi-SSID Access Point context menu of the floor plan (central pane).