ece 461 internetworking instructor: prof. jörg liebeherr university of toronto
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ECE 461 Internetworking
Instructor: Prof. Jörg Liebeherr
University of Toronto
• The course website is
http://www.comm.utoronto.ca/~jorg/teaching/ece461
• Lecture slides, lab information, problem sets for tutorials
• Blackboard:
– Used for announcements
– Submission of lab reports
Websites
Prerequisites
• You must have completed ECE 361 before taking this course
• I assume throughout the lecture, that you have mastered the material covered in ECE 361
Required Reading
Textbooks:• “Lab Manual”: “Mastering Computer Networks: An Internet
Lab Manual”, by J. Liebeherr, M. El Zarki, Addison-Wesley, 2003.
• “IBM Textbook”: TCP/IP Tutorial and Technical Overview, by L. Parziale, W. Liu, et. al., IBM 2006 (available on-line, link from course webpage).
• “Online Chapters”: J. Liebeherr (on-line material)
Additional:– Reading for each lecture is posted on the website– Additional material may be posted
Topics
Introduction Link level issues Address translation issues (ARP, RARP) Network Protocols: IP, ICMP IP forwardingRouter architecturesRouting I: Static routing Routing II: Dynamic Routing: RIP, OSPFRouting III: Dynamic Routing: BGPTransport Protocols: UDP and TCP TCP Details LAN switching DHCP and NATDomain Name System (DNS) Network Management with SNMPMulticast
Evaluation
Final Exam 45%
Quiz 1 15%
Quiz 2 15%
Labs 25%
Labs
• The main experience of this course are the labs
• Lab is in the Design Center (SFB 520)– There are 3 equipment racks
with identical equipment
Routers
EthernetHubs
PCs
KVMSwitch
Rack with Networking Equipment
Back Front
Working in the Lab
Lab Sequence
Core Labs:
Lab 2 - SingleSegment IPNetworks
Lab 1 -Introduction to
the Internet Lab
Lab 3 - StaticRouting
Lab 4 -DynamicRouting
Protocols
Lab 5 -TransportProtocols:
UDP and TCP
Advanced Labs:
Lab 7 - NATand DHCP
Lab 6 - LANswitching
Lab 8 - DomainName System
Lab 9 - SNMPLab 10 - IPMulticast
Structure of the Labs
• Each lab has three phases: – Prelab (individual)
• Exercises that prepare for the lab session • Prelabs are turned in before the lab session (via Blackboard)• Prelabs are graded (10%)
– Lab session (with lab partner)• Configuration and measurement experiments on the equipment • Perform exercises described in Lab Manual, collect data• All lab exercises can be completed without supervision.• approx. 3 hours
– Post lab report (with lab partner)• Summarize and analyze the data from the lab session in a typed report • Lab reports are graded (60% completeness/correctness, 30% quality of
presentation)• Lab reports are submitted via Blackboard
• Late policies for pre-labs and lab reports: 20% of total grade per day
Structure of the Labs
• Each lab has three phases:
1.Prelab
2.Lab session
3.Lab report.
• Pre-laboratory Assignment (Prelab). Exercises to be completed in advance of the associated lab session. The prelabs ask you to acquire background knowledge that is needed during the lab exercises. Each prelab has a question sheet that must be completed before the corresponding lab session. The answers to the prelab questions are graded.
Structure of the Labs
• Lab Session. Lab exercises that are performed on the equipment of the Internet lab. All lab exercises can be completed without supervision. The time to complete a lab session should be three hours on the average, but may vary. Complete the laboratory activities to the extent that you can. The activities during the lab session are not graded, however, data collected during the lab session are needed to complete a lab report.
• Floppy disk symbol in the lab manual indicates when you have to collect data.
• NOTE: YOU NEED A USB FLASH DRIVE TO SAVE DATA !
Floppy disk symbol
Structure of the Labs
• Lab Reports. After each lab session, you prepare a lab report that summarizes and analyzes the findings from the lab session. A notepad symbol indicates an assignment for the lab report. The lab reports should be submitted as a typewritten document.
• Not all exercises need to be included in the lab report. Check the course website for the exercises that must be included in the lab report.
• Note: Saved data should be included in the report only if it is requested in the lab report, and if it is used to answer a question. Filtering the relevant measurements for the answers of the lab report is part of the analysis.
Notepad symbol
Lab equipment
• The equipment of the Internet Lab is not connected to the Internet.
• You will work on administrative (root) accounts. Please exercise caution when modifying the configuration of the Internet Lab equipment.
• The Linux PCs are booted from a CD (LiveCD). Each time the
PCs are re-booted they are set to the same initial state. All changes on the PC are lost when rebooting the system.
Rules for using the lab
• Find a lab partner.• Sign up for a time slot in class. Your time slot is allocated for
the entire semester.• You are guaranteed access to the lab during your time slot.
– If a time slot is not used 15 minutes after the start time, it becomes available on a First-Come-First-Served basis
• Outside your assigned lab section, you may use the lab anytime you want, as long as the equipment is available
• Submit lab report and prelab solutions in class:– Due dates are posted on the web page
– Prelabs are due before the lab session starts
Structure of the Labs
• Before you go to the Internet Lab– Read lab manual and do related reading (a few hours)– Complete prelab (<1 hour, if you have done the reading)– Turn in prelab
• In the Internet lab:– Show up for your time slot – Bring a USB flash drive, the lab manual, and solutions to prelab– Complete exercises (1 hour to several hours)– Take measurements– Save data to USB flash drive
• After the lab:– Use data on save data to floppy– Write lab report– Submit lab report by due date (on Blackboard)
Sign-Up (3 groups per time slot, 2 students per group)
Monday Tuesday Wednesday Thursday Friday
Mon_1: 9am-12pmRack 1Rack 2Rack 3
Tue_1: 9am-12pmRack 1Rack 2Rack 3
Wed_1:9am-12pmRack 1Rack 2Rack 3
Thu_1: 9am-12pmRack 1Rack 2Rack 3
Fri_1: 9am-12pmRack 1Rack 2Rack 3
Mon_2: 12-3pmRack 1Rack 2Rack 3
Thu_2: 12-3pm Rack 1Rack 2Rack 3
Mon_3: 3-6pmRack 1Rack 2Rack 3
Tue_3: 3-6pmRack 1Rack 2Rack 3
Wed_3: 3-6pmRack 1Rack 2Rack 3
Thu_3: 3-6pmRack 1Rack 2Rack 3
Fri_3: 3-5pmRack 1Rack 2Rack 3
Mon_4: 6-9pmRack 1Rack 2Rack 3
Tue_4: 6-9pmRack 1Rack 2Rack 3
Wed_4: 6-9pmRack 1Rack 2Rack 3
Thu_4: 6-9pmRack 1Rack 2Rack 3
Lab closes 5pm on Fridays.
No access to lab on Saturday and Sunday
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