Wireless internet at work and at home
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Wireless Internet at Work and at Home Kevin Mackett & Dan Stoffel E-Learning Center Northern Arizona University What do we mean by “wireless”? Wireless Internet at Work and at Home Wi-Fi = wireless fidelity IEEE 802.11 protocol “Long” range Average ~150 ft or more

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Wireless internet at work and at home l.jpg

Wireless Internet at Work and at Home

Kevin Mackett & Dan Stoffel

E-Learning Center

Northern Arizona University


What do we mean by wireless l.jpg
What do we mean by “wireless”?

Wireless Internet at Work and at Home

  • Wi-Fi = wireless fidelity

  • IEEE 802.11 protocol

  • “Long” range

    • Average ~150 ft or more


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What do we mean by “wireless”?

Wireless Internet at Work and at Home

  • An extension of an existing Internet connection

    • Not a stand-alone connection

  • Allows computers to connect to:

    • other computers

    • local networks

    • the Internet


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Common/Current Wi-Fi Protocols

Wireless Internet at Work and at Home

  • Most Cable or DSL connections are 1-2 Mbps

  • 802.11a is less common and compatible

  • Detailed Comparisons of a, b, and g


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Emerging/future Wi-Fi Protocols

Wireless Internet at Work and at Home

  • Pre-802.11n is being sold now

  • Wi-Max is long distance (ideal when cable and DSL are not practical)


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Connection Methods

Wireless Internet at Work and at Home

  • PC to PC

    • (Ad Hoc)

  • PC to Wireless Access Point

    • (Infrastructure) Hot Spot

    • Most common


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Wi-Fi Interference

  • “b” and “g” use RF in 2.4 GHz range

  • Interference from

    • Microwave Ovens

    • Cordless Phones

    • Bluetooth Devices

    • Baby Monitors

  • More reading…


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What do I need?

Wireless Internet at Work and at Home

  • Computer

    • Wi-fi card compatible with access point

    • Many newer laptops have wireless built in

  • Access point

    • Public

      • Free or paid

      • Coffee shops and Airports are common

    • Home

    • NAU


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Does my XP computer have Wi-Fi?

Wireless Internet at Work and at Home

Most newer laptops include wireless cards

  • Windows Control Panel: Network Connections

  • If you see “Wireless Network Connection” you’re all set! Double-click it to see available networks


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Wireless Internet at Work and at Home

Double-click a network to connect to it.

  • Note whether the network is Unsecured or Security-enabled

Unsecured

Security-enabled


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Wireless Internet at Work and at Home

Does my Mac have Wi-Fi?

On the Mac, Wi-Fi is called AirPort

  • Internet Connect application:


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Adding wireless to my computer

Wireless Internet at Work and at Home

  • Laptop $30 - $60+ for 802.11g

    • PC card (PCMCIA)

    • USB -- easiest

  • Desktop $30 - $60+ for 802.11g

    • PC card (PCI)

    • USB -- also easiest

  • NAU bookstore- can confirm compatibility with NAU network

  • Office supply stores, Sam’s, computer stores


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Wireless Security

  • Why?

    • Limit access

    • More secure data transmission

  • SSID- hide

  • Data Encryption

    • 40 bit WEP

    • 128 bit WEP

    • WPA

  • Even with secured wireless, use https

  • VPNs (links to NAU VPN instructions)


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Free wireless in Flagstaff

Most often open= no security

Late For the Train

Macy’s

Uptown Billiards

Pay ‘n Take

NAU (Guest access)

Others?

Paid wireless in Flagstaff

Sometimes secure

Kinko’s

Barnes and Noble

Campus Coffee Bean

Starbucks

Embassy Suites

UPS Store

Varsity Espresso

McDonald’s

Days Inn

Finding a Public Access Point in Flagstaff

Wireless Internet at Work and at Home


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Finding a Public Access Point outside Flagstaff

Wireless Internet at Work and at Home

  • Search the web

    • http://www.wifi411.com

    • http://www.jiwire.com

  • Many local coffee shops have free access

  • Most online hotel pricing sites list if Wi-Fi is included with rooms


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Setting up a Home Access Point

Wireless Internet at Work and at Home

  • You need an existing Internet connection

    • Cable

    • DSL

    • Making dialup wireless requires special equipment

      • Apple Airport Basestation

  • Wi-fi router ($35 - $80+) can add extra security

  • Each manufacture has own instructions

  • Linksys, US Robotics, Belkin, D-Link

  • Take the time to setup security!


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Connecting at NAU

Wireless Internet at Work and at Home

Wireless access can be found at:

Institute for Human Development

Hotel/Restaurant Management

Health Professions

Facilities Services

Colorado Plateau Studies

Riles

Biology

Ashurst

Social and Behavioral Sciences

North Union

Nursing

Cline Library

Gammage

Bookstore

University Union

Dubois Center

Learning Resources Center

Information Technology Services

Eastburn Education Center

Engineering and Technology

Babbitt Administrative Center

Project Management Office

Physical Sciences

College of Business

Southwest Forest Science Complex

Wettaw Biology/Biochemistry

Gateway Center

http://www.nau.edu/wireless


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Connecting at NAU

Wireless Internet at Work and at Home

  • http://www.nau.edu/wireless

  • VPN – for security

  • Solution Center at 3-1511 (faculty/staff)

  • Walkthrough of setup


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