Chudi IgboemekaITSS, Stanford University 04/2002 Campus Wireless Update Chudi Igboemeka Academic Technology, Pilots & Projects ITSS.

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Presentation transcript:

Chudi IgboemekaITSS, Stanford University 04/2002 Campus Wireless Update Chudi Igboemeka Academic Technology, Pilots & Projects ITSS

Chudi IgboemekaITSS, Stanford University 04/2002 Topics Wireless at Stanford – Current Status WLAN – Areas of concern Wireless Pilots & Project What’s next?

Chudi IgboemekaITSS, Stanford University 04/2002 Wireless networking at Stanford ITSS wireless solution - Wireless Backbone (WLAN on separate network) - Cisco’s Aironet 350 Access Points (802.11b) Mixed wireless environment at Stanford Over five types of access points used Several independent WLAN implementations

Chudi IgboemekaITSS, Stanford University 04/2002 Where is wireless access available?

Chudi IgboemekaITSS, Stanford University 04/2002 Future wireless coverage expansion

Chudi IgboemekaITSS, Stanford University 04/2002 Wireless LAN – Areas of Concern Wireless Security Wireless Support Wireless Management

Chudi IgboemekaITSS, Stanford University 04/2002 Is wireless secure? We do not use WEP (wired equivalency protocol) WEP is breakable – well known fact to hackers Shared key – everyone has the same key Vendor specific dynamic key solutions? Currently, WLAN cards are registered in NetDB to access DHCP pool. Wireless Security Need an authentication and encryption system

Chudi IgboemekaITSS, Stanford University 04/2002 Wireless Security Pilots Hardware based Solutions Price Ease of implementation Scalability Vernier Networks - Access Manager - Pilot starting in April Wireless Authentication Wireless Authentication System – PBL. Developed by a Students from KTH, Sweden Other solutions to investigate: 802.1X, VPN, Cisco LEAP, NoCat

Chudi IgboemekaITSS, Stanford University 04/2002 Supporting wireless at Stanford How will we support wireless across campus? Support should be seamless to the client, regardless of where they are. Form alliances with support groups across campus where wireless is deployed. – build support structure (escalation) – standardize SSID (Stanford) Recommend wireless cards to clients Currently, we support several cards (Cisco, Lucent, Apple)

Chudi IgboemekaITSS, Stanford University 04/2002 Wireless Support (con’t) ITSS Wireless website – end of April -Information on wireless technologies at Stanford -Wireless coverage area map -Support docs (troubleshooting guide, FAQ) -Do-it-yourself wireless card configuration. -Contact info, Security info. home -Educate users about securely using wireless AP’s with their broadband internet connections at home. Access Point mapping -Map the physical location of deployed access points

Chudi IgboemekaITSS, Stanford University 04/2002 Wireless Management Why is wireless management important? AP fault and performance monitoring AP association reporting – Predict coverage area expansion AP configuration templates and device grouping Challenges of wireless management: - mobile devices are constantly joining and leaving the network at random times. - mobile devices roam between wireless access points Wireless Management Pilot – April/02 An AP management tool developed by Cisco (WLSE) Pilot at Stern Hall Fits into the campus-wide network management solution

Chudi IgboemekaITSS, Stanford University 04/2002 Cisco WLSE overview

Chudi IgboemekaITSS, Stanford University 04/2002 Other Wireless Pilots a testing – Intel PRO/Wireless 5000 AP – Speed, coverage area, cost Bluetooth – Pico Communications – Range, interference with b, applications at Stanford Stern Hall Pilot- Cisco Aironet Wireless management

Chudi IgboemekaITSS, Stanford University 04/2002 What’s next? 1.Enhance current wireless network Security, management & support Pilot new technologies (802.11a/b combo, security solutions) 2. Promote and Communicate WLAN at Stanford Wireless Launch – late April - early May 3. Expansion of current wireless network Consulting with departments on campus

Chudi IgboemekaITSS, Stanford University 04/2002 Q & A Contact me: