. How can we determine if an IPv4 packet is carrying an ICMP packet?

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question

1. How can we distinguish a multicast address in IPv4 addressing? How can we do
so in IPv6 addressing?

2. How can we determine if an IPv4 packet is carrying an ICMP packet?

3. A router receives an IPv4 packet with source IP address 130.45.3.3 and
destination IP address 201.23.4.6. the router cannot find the destination IP
address in its routing table. Which ICMP message should be send?

4. TCP receives a segment with destination port address 234. TCP checks and
cannot find an open port for this destination. Which ICMP message should be
send?

5. How does ICMPv6 different from the original version? What are the essential
functions?

6. There 6 types in the extension header of IPv6,. Explain each one of them.

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