CONFIDENTIAL © Copyright 2012. Aruba Networks, Inc. All rights reserved 1

WLAN DESIGN FUNDAMENTALS

Presented by Neil Bhave Channel Enablement Manager

CONFIDENTIAL © Copyright 2011. Aruba Networks, Inc. All rights reserved

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Validated Reference Designs (VRD)

http://www.arubanetworks.com/vrd

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The WLAN Lifecycle

•  Requirements Definition •  Site Surveys

•  Network Design •  RF Design •  Security Design •  QoS Design

•  Staging & Provisioning •  Installation & Validation

•  Administration •  Monitoring •  Troubleshooting

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Understand Mobility Requirements

Virtual Desktops

Collaboration

Multimedia Mobile Devices

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Site Surveys

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AP Coverage

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5 GHz Coverage in a 2.4 GHz Plan

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Mounting APs

Ceiling

Wall

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Virtual Survey Tools

Outdoor 3D Planner VisualRF Plan

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Aruba Controller vs. Aruba Instant

  Aruba Campus Solution   Aruba Instant  Relative cost   $$$   $  Scalability   Thousands of APs

Hundreds of thousands of users/ devices  

32 APs 512 users/ devices  

Policy management   Centralized policy store   Centralize policies via AirWave  

User security   Context-aware security by role, device, location  

User based  

Mobility   Voice ready Layer 3   Voice ready single subnet  

Provisioning and software upgrades  

Controller   Virtual Controller, cloud-based image server, or AirWave  

Onsite IT required?   Yes, at installation and periodically during operations  

No  

Operations management  

AirWave   AirWave  

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AP Decision Tree

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SSID Design

•  Most common SSID design for enterprise organizations includes 2-3 different SSIDs –  Employee users – strong authentication and encryption suite –  Application – devices not capable of strong authentication and

encryption levels –  Guest access – will not run any encryption; requires

authentication

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Corporate Services

Guest

Data

Voice

Signage

PoS

Virtual AP 1 SSID: Corp

Virtual AP 2 SSID: GUEST

DMZ

Amigopod Guest Access

Captive Portal

Role-Based Access Control

Access Rights

Secure Tunnel To DMZ

SSID-Based Access Control PoS

Data

Voice

Signage

Guest

Role-Based Security Architecture

RADIUS LDAP AD

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Continuous RF monitoring of wireless devices, activity and configuration across all 802.11 channels

Discover Complete 802.11 Spectrum Monitoring

Automatic classification of threats and non-threats is critical to RF security

Classify Policy-Based Threat Prioritization

Automated containment to block any rogue or intruder

Automated logging and report distribution ensures compliance with wireless security policies and regulations

Alert and Audit Automated Compliance Reporting

Contain Automated Threat Mitigation

Wireless Threat Protection Framework

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Quality of Service (QoS)

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Deployment Considerations

•  How big / how many subnets do you need to support your devices (not just users)?

•  How will the APs discover the master controller?

•  How will the installer let you know where the AP was mounted?

•  How will RAPs be configured, IT or end user?

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Campus Deployment

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Remote Access

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Monitoring

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Troubleshooting

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Client Diagnostics

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Network Diagnostics

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