CS 458 Internet Engineering Instructor: Prof. Jörg Liebeherr University of Virginia

Disclaimers and Information Website: –Download the lecture slides –Download handouts, lab manuals, homeworks, etc. –Refer to the website frequently Lecture:Tuesday, Thursdays 11:00-12:15 Office Hours: Mondays 11am-12pm, or by appointment via

Prerequisites Strictly enforced with no exceptions: Everyone in this class has taken CS 457 (Computer Networks) You will not receive a grade for this course if you have not taken CS 457. I assume throughout the lecture, that you have read and understood the material covered in CS 457

Reading Required Reading: “Mastering Computer Networks: An Internet Lab Manual”, J. Liebeherr, M. El Zarki, Addison-Wesley, A.Rodriguez, J.Gatrell, J.Karas, R.Peschkem, TCP/IP Tutorial and Technical Overview, IBM Redbook (available on the Net) Additional reading material as required for the pre-lab An introductory book on networking, e.g., your CS457 textbook.

Topics Introduction Link level issues Address translation issues (ARP, RARP) Network Protocols: IP, ICMP IP forwarding Router architectures Routing I: Static routing Routing II: Dynamic Routing: RIP, OSPF Routing III: Dynamic Routing: BGP Transport Protocols: UDP and TCP TCP Details LAN switching DHCP and NAT Domain Name System (DNS) Network Management with SNMP Multicast

Note on Lecture After Spring Recess, we switch the format of the lecture. –After Spring Recess, there is one in-class lecture per week (Thursday) and one lab discussion meeting in the Internet Lab.

Evaluation Midterm Exam (20%) 2 nd Midterm Exam (20%) Lab Reports (40%) Class Participation (10%)

Laboratory The course has a lab section. Sign up for a lab today! The workload of the labs is significant: 3 hours (average) per week + prelab + postlab The lab manual manual is available from the web There will be 10 labs; almost one lab every week The first lab is in the week of Jan 31-Feb 4. Prelabs and lab report are turned in separately. Labs are completed in groups of two. If you want to switch lab sections after the sign-up, you need to find a partner to swap with For each lab you need to prepare a lab report The lab is in 002a Olsson Hall Late policies for pre-labs and lab reports: 20% of total grade per day

Labs Internet Lab is in Olsson 002a Get a key from Ginny Hilton ($5 deposit) Labs are done with a lab partner

Labs 2 racks are available Sign up today for a time block 24 hours, 7 days Lab structure: –Prelab –Lab session –Post lab report

Rules for using the lab 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. Outside your assigned lab section, you may use the lab anytime you want and the equipment is available (but you may get preempted by instructor and lab assistant). The prelab is due before you do the lab session. The Lab report is due 1 week after your assigned lab slot Submit lab report and prelab solutions in class on due date (Due dates are posted on the web page)

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 formatted floppy disk and lab manual and solutions to prelab –Complete exercises (1 hour to several hours) –Take measurements –Save data to floppy disk After the lab: –Use data on save data to floppy –Write lab report –Submit lab report by due date (include prelab and lab feedback pages from book. Book pages are perforated).

Sign-Up (2 groups per time slot, 2 students per group) MondayTuesdayWednesdayThursdayFriday 9am-12pm Group 1 8am-11am Group 5 9am-12pm Group 9 8am-11am Group 13 9am-12pm Group 17 12pm-3pm Group 2 12:30pm-3pm Group 6 12pm-3pm Group 10 12:30pm-3pm Group 14 12pm-3pm Group 18 3pm-6pm Group 3 3pm-6pm Group 7 3pm-6pm Group 11 3pm-6pm Group 15 3pm-6pm Group 19 6pm-9pm Group 4 6pm-9pm Group 8 6pm-9pm Group 12 6pm-9pm Group 16 6pm-9pm Group 20