Consider a datagram network using 32-bit host addresses. Suppose a router has four links, numbered 0 through 3, and packets are to be forwarded to the link interfaces as follows: Destination Address Range Link Interface 11100000 00000000 00000000 00000000 through 11100000 00111111 1111111 11111111 11100000 01000000 00000000 00000000 through 11100000 01000000 1111111111111111 11100000 01000001 00000000 00000000 through 11100001 01111111 1111111111111111 otherwise 0 1 2 3 a. Provide a forwarding table that has five entries, uses longest prefix matching, and forwards packet to the correct link interfaces.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Consider a datagram network using 32-bit host addresses. Suppose a router has four links, numbered 0
through 3, and packets are to be forwarded to the link interfaces as follows:
Destination Address Range
Link Interface
11100000 00000000 00000000 00000000
through
11100000 00111111 1111111 11111111
11100000 01000000 00000000 00000000
through
11100000 01000000 1111111111111111
11100000 01000001 00000000 00000000
through
11100001 01111111 11111111 11111111
otherwise
0
1
2
3
a. Provide a forwarding table that has five entries, uses longest prefix matching, and forwards packets
to the correct link interfaces.
Transcribed Image Text:Consider a datagram network using 32-bit host addresses. Suppose a router has four links, numbered 0 through 3, and packets are to be forwarded to the link interfaces as follows: Destination Address Range Link Interface 11100000 00000000 00000000 00000000 through 11100000 00111111 1111111 11111111 11100000 01000000 00000000 00000000 through 11100000 01000000 1111111111111111 11100000 01000001 00000000 00000000 through 11100001 01111111 11111111 11111111 otherwise 0 1 2 3 a. Provide a forwarding table that has five entries, uses longest prefix matching, and forwards packets to the correct link interfaces.
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