Wireless Bootcamp 2010


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Wireless Bootcamp 2010

  1. 1. Wireless Network Boot Camp Sarah Bombich January 2009 Wednesday, January 27, 2010
  2. 2. Internet SANbox ® The new look for powerful, easy t • SANbox 9000 Stackable Chassis • SANbox 8000 Storage Services P • SANbox 6000 Intelligent Storage • SANbox 5000 Stackable Switch • SANbox 1000 Fixed Port Switch Network Backbone (or Modem, at What is a home) Router network? (may be skipped at home) Internet > Modem > Router > Wireless Access Point > Wireless Access Point Computer Wednesday, January 27, 2010
  3. 3. How does Wi-Fi work? Radio waves Circular signal, like a rock in a pond Different devices = different signal strengths = different circle sizes Different devices = different antenna strengths = differing ability to detect signals Wednesday, January 27, 2010
  4. 4. Overlapping Access Points Wednesday, January 27, 2010
  5. 5. Different Types of Wi-Fi 802.11 Flavors include 802.11a, 802.11b, 802.11g and 802.11n Certified by a standards board to ensure interoperation WUFI/WUFI-S supports 802.11a/b/g Wednesday, January 27, 2010
  6. 6. What happens when I “get on wireless”? Authentication Proving your identity Encryption Putting information in code so that it remains secret Wednesday, January 27, 2010
  7. 7. Networking as a Phone Call Join wireless network Locate the phone or plug into ethernet Say hello to DHCP Pick up the phone server Listen for response Hear dial tone from DHCP server Dial number & hear Request IP address phone ring from DHCP server Someone answers Receive IP address from DHCP server You ask their name and ask a Wireless access point asks for question to verify it's the correct and you provide user name and person password Optional: WUFI-S only Optional: WUFI-S only Special software creates an skips step skips step You tell person the code language encrypted connection between WUFI WUFI in which to speak your computer and the wireless access point Start sending and Have a conversation receiving data Wednesday, January 27, 2010
  8. 8. Wash U’s Internet SANbox ® The new look for powerful, easy to manage fabrics • SANbox 9000 Stackable Chassis Switch Wireless • SANbox 8000 Storage Services Platform • SANbox 6000 Intelligent Storage Router • SANbox 5000 Stackable Switch • SANbox 1000 Fixed Port Switch Network Backboone Network Router in Action Authentication Server Wireless Access Point Wednesday, January 27, 2010
  9. 9. Wash U’s Wireless Network in Action How does it work? Operated by NSS (Network Service and Support) Meru Multiple Access Points with overlapping coverage WUFI, WUFI-S, GUESTWIFI-WUSTL, WUNOREG, LAW-S, WUCON WIRELESS Load balancing - signals get stronger and weaker Wednesday, January 27, 2010
  10. 10. Differences between WUFI, WUFI-S, GUESTWIFI-WUSTL? WUFI WUFI-S GUEST WIFI-WUSTL What can you do? View web pages, Everything, Everything, but number SSH, SFTP, access including access of connections and Library resources Library resources speed limited What doesn’t work* FTP, non-secure Nothing Nothing - but could be email transfers (POP, very slow or IMAP), unavailable, depending Remote Shell, telnet on usage; must proxy to use Library resources Does it require authentication? Yes Yes No Do you have to enter your login Yes No No and password every time you connect? Do you have to install special No No No software to use it? Is your data encrypted and No Yes No secure? Who can access it? Current students, Current students, Everyone, including faculty, staff with faculty, staff with visitors WUSTL key WUSTL key Wednesday, January 27, 2010
  11. 11. Where is WUFI? Which network is most widely used? WUFI-S - used on South Forty so most students are already set up Same networks available around campus in most buildings but number of available connections varies Wednesday, January 27, 2010
  12. 12. Where is WUFI? Wednesday, January 27, 2010
  13. 13. What should I expect when I connect to WUFI? Enable wireless, check list of available networks. Select WUFI and Connect or Join. Wednesday, January 27, 2010
  14. 14. What should I expect when I connect to WUFI? Your system will automatically be assigned an IP address on the University wireless network. Open your web browser. and attempt to open a web page. Wednesday, January 27, 2010
  15. 15. What should I expect when I connect to WUFI? You will see certificate errors. Select “Accept this certificate permanently” and OK and then OK on the next screen. Certificate should say something about wustl.edu or Meru Networks Wednesday, January 27, 2010
  16. 16. What should I expect when I connect to WUFI? You are redirected to the WUFI authentication page. Wednesday, January 27, 2010
  17. 17. What should I expect when I connect to WUFI? Authenticate using your WUSTL key You wait. Some browsers will take you straight to the web page requested in step 2; some will first show a Web Authentication Succeeded pop-up or screen. Wednesday, January 27, 2010
  18. 18. What should I expect when I connect to WUFI-S? See Student Technology Services or Network Support Services for up-to-date directions for iPhone & iPod Touch, Mac OS X 10.5 Leopard, Windows 7, Vista & XP. Connecting to WUFI-S Mac OS X (10.5.x) Gregg Hall Store Front http://sts.wustl.edu 935-7100 (help desk) AIM: WUSTSHelp What You Will Do: What You Will See: We strongly recommend you first: Step 1: Airport Icon and List of Wireless Networks ! Connect your computer to the WIRED network FIRST AND REGISTER ! Install all Apple updates ! If you have a 3rd party wireless configuration on your computer, we recommend REMOVING that software before using these instructions! 1. Click the “Airport” icon near the top-right of your screen. When the list of available wireless networks appears, select WUFI-S. 2. Enter your WUSTL-KEY username and password. Click OK. 3. When asked to verify the security certificate, click on “Show Step 2: WUSTL KEY Username and Password Certificate.” 4. Click the small button labeled “Always trust accounts- dc1.account.ad.wustl.edu”. Click “Continue.” 5. When prompted for a password to save the certificate, enter the username and password for your computer’s user logon account. Click “Ok.” REGISTERING YOUR COMPUTER FOR USE IN RESIDENTIAL LIVING SPACES/HALLS: Step 3: Show Certificate Once you have connected your computer to WUFI-S, you will need to register it on the STS Network in order to use it in the residential living spaces/halls. Follow these steps to register on the STS network: a. Be sure you are connected to WUFI-S and open a web browser. b. Navigate to a page, such as www.google.com Step 4: Always Trust XX Button c. You will be automatically redirected to the registration page for the STS network. d. At the bottom of the page, click “Regular full time students using their WUSTL KEY.” e. The registration page will appear. Complete the form using your WUSTL key and contact information. When finished, click “Register.” f. You will get a confirmation that registration is complete. Close your web browser. g. Reboot your computer. You are now registered on the STS network! Step 5: Computer’s User Logon Account Info Wednesday, January 27, 2010
  19. 19. Troubleshooting a WUFI or WUFI-S Connection If someone cannot get onto WUFI, the problem could be: Lack of wireless coverage Wireless disabled on their laptop Appears connected but cannot load any web pages which is a capacity issue Trouble getting to or past the authentication page (WUFI only) Wednesday, January 27, 2010
  20. 20. Where to get more help? Arc WUFI-S Some laptop configuration AIM (OlinLibraryArc) or call (5-4137) first before referring anyone STS Official support location for wireless; will help with laptop configuration Call (5-7100), AIM (WUSTSHelp), refer (South 40) Wednesday, January 27, 2010
  21. 21. Where to get more help? Wednesday, January 27, 2010