You are previewing IPv6 Fundamentals: A Straightforward Approach to Understanding IPv6.

IPv6 Fundamentals: A Straightforward Approach to Understanding IPv6

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Chapter 5. ICMPv6 and Neighbor Discovery Protocol

If you are familiar with Internet Control Message Protocol (ICMP) for IPv4, you will find ICMPv6 very similar; however, ICMPv6 is more than just ICMP for IPv6. ICMPv6 is a more robust protocol, containing new features and improving upon similar functionality found in ICMPv4.

ICMP is one of the core protocols of the TCP/IP suite of protocols. It is employed by operating systems to send messages between devices. The types of messages can be either informational and/or error messages such as an Echo Request for a ping command or informing the sender that the router was unable to forward the packet. ICMP is used with applications such a ping and traceroute to test network connectivity between two ...

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