8. Consider a datagram network using 16-bit host addresses. Suppose a router use

Question

8. Consider a datagram network using 16-bit host addresses. Suppose a router uses longest prefix matching and has the following forwarding table:

-----------------------------------------------

Prefix Match                          Interface

-----------------------------------------------

1

0

11

1

111

2

Otherwise

3

-----------------------------------------------

For each of the following 5 host addresses, give the matched interface # using above forwarding table. (10 points)

10100000 10111111

11110000 10111111

11010000 10111111

01110000 10111111

11000000 10111111

1

0

11

1

111

2

Otherwise

3

Explanation / Answer

Answer

Destination Address Range Link Interface

10100000 10111111 0

11110000 10111111 2

11010000 10111111 1

01110000 10111111 3

11000000 10111111 1

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