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www.cs.virginia.edu/vintlab

www.cs.virginia.edu/vintlab. Jörg Liebeherr and Group University of Virginia Computer Science Department jorg@cs.virginia.edu ITL Seminar, June 13, 2001. Thanks. Theresa Ott Boisseau and the CAIDA Team. UVA Team: Peggy Reed Dr. Jianping Wang Haiyong Wang Nicolas Christin James Tsai.

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www.cs.virginia.edu/vintlab

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  1. www.cs.virginia.edu/vintlab Jörg Liebeherr and GroupUniversity of VirginiaComputer Science Departmentjorg@cs.virginia.eduITL Seminar, June 13, 2001

  2. Thanks Theresa Ott Boisseau and the CAIDA Team UVA Team: • Peggy Reed • Dr. Jianping Wang • Haiyong Wang • Nicolas Christin • James Tsai

  3. UVA Material • Router Lab: Exercises from ITLab manual • ITLab primer • 1-pager with selected lab exercises • ITLab manual • Re-Boot Camp: IOS and Linux configuration • Linux installation and customization • Connecting routers and hosts • IOS issues (password recovery, updating images)

  4. Our Goal for this workshop is that you adopt our lab manual

  5. Outline • Background: VINTLab • ITLab Manual • Organization • Lab exercises • Workshop material

  6. What is the VINTLab about? In a set of closed lab sessions, students conduct supervised experiments on the networking equipment of the VINTLab. Students gain hands-on experience with networking hardware and software, and learn how the protocols of the Internet interact.

  7. History Spring `98: Kevin Thompson indicates a possible donation of several Cisco 7000 routers by MCI Aug. `98:Letter by Vint Cerf to Dean of Engineering at UVA: “….MCI Telecommunications, together with Cisco Systems, Inc., is committed to forming an Internet laboratory at the University of Virginia … “ Dec. `99: First batch of 5 Cisco routers arrive Jan. `99: Course started: CS551 Internet Engineering April `99: Official ribbon cutting of the VINTLab by Vint Cerf “VINTLab” is mentioned on the floor of the US Congress Spring ‘00: Internet Engineering offered for the second time Spring ‘01: … and a third time, this time with Linux Since Fall ‘00: Adopted VINTLab to the ITL equipment June ‘01: ITL workshop

  8. Objectives of VINTLab / Internet Engineering course • Make education in computer networking more concrete. • Don’t teach a vendor-specific course on router configuration • Use science labs as model • Build on prior knowledge • Cisco 7000 routers are tools and not the object of study • Exploit students’ familiarity with PCs • Students should feel in control of the equipment • Closed lab sessions • Have Fun!

  9. At the ribbon cutting of the VINTLab (April 1999): • Donald R. Upson, Virginia’s Secretary of Technology, • Jim Massa, Director of Global Government Alliances at Cisco, and • Vint Cerf, Senior Vice President at MCI Worldcom April 1999

  10. Vint Cerf and students of the Internet Engineering course April 1999

  11. Equipment of the VINTLab

  12. The ITLab Manual

  13. Background • CAIDA’s NSF supported ITL program distributes routers to more than 20 institutions • Issue: Effort to generate course content is significant • UVA’s VINTLab manual was adopted to ITLab equipment Objectives: • Provide a set of canned lab exercises to institutions • Jump-start courses on internet engineering • This workshop exposes instructors to the ITLab

  14. ITLab Equipment • Lab manual was written for a “standard” ITLab • “Standard” ITLab assumes 3 Cisco 7000 routers • We assume that some equipment will be purchased by ITL sites (PCs, FDDI cards, cables) • 3 Cisco 7000 Routers • 6 Linux PCs • 2 FDDI cards • Cables and connectors

  15. Lab Structure • Prelab: • Students read material needed for the lab and turn in solutions to exercises • Lab Session: • 2 hour-long supervised lab section • Students do not have access to lab equipment outside this block • Postlab (Lab Report): • Lab measurements are interpreted and used to answer problems

  16. Lab 1: Introduction to the ITLab • Topics: Overview of the equipment, Unix exercises, basics of tcpdump and ethereal

  17. Lab 2: Single Segment IP Networks • Topics: Details of ethereal, configuring network interfaces, netstat command, experiments with ARP, snooping passwords

  18. Lab 3: Multiple Segment IP Networks and Static Routing • Topics: Setting up a computer as a router, static routing, update routing table update via ICMP, subnet masks

  19. Lab 4: Configuring a Commercial IP Router • Topics: Access to routers via serial port, setup of a commercial router, basics of Cisco IOS

  20. Lab 5: Dynamic Routing Protocols (RIP and OSPF) • Topics: Routing updates, Convergence of routing protocols after topology changes under RIP and OSPF, split-horizon and triggered updates with RIP

  21. Lab 6: Transport Layer Protocols: UDP and TCP • Topics: IP fragmen-tation, throughput measurement of TCP, TCP slow start and congestion avoi-dance,TCP error control

  22. Any Questions or Comments?

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