414Assignment5

414Assignment5 - ECSE 414 Intro. to Telecom. Networks...

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ECSE 414 – Intro. to Telecom. Networks Assignment #5 - Fall 2010 11/11/10 M. Rabbat ECSE 414 - Homework Assignment #5 – Link Layer Due Tuesday, November 23, 2010 Note: Unless otherwise noted, all assignments are due at the beginning of the lecture period on the due date. You may submit a hard copy of your assignment in class or to the instructor’s mailbox, or you can submit your assignment electronically via WebCT. Problem 1 (6 marks, 2 for each part) Consider the switching topology depicted in Figure 1, and assume that initially all switching tables are empty. The numbers next to each link indicate the interface number of that link on the switch. a. Suppose that first A sends a message to D, then D sends a message to G, and then G sends a message to A. Describe which devices receive each of these messages. b. Show the switching tables of nodes S1, S2, S3, and S4 after these three messages have been exchanged. c.
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414Assignment5 - ECSE 414 Intro. to Telecom. Networks...

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