ICMPv4 packet

ICMPv4 packet

1. What is the minimum size of an ICMPv4 packet? What is the maximum size of an ICMPv4 packet?
2. What is the minimum size of an IPv4 packet that carries an ICMPv4 packet? What is the maximum size?
3. How can we determine if an IPv4 packet is carrying an ICMPv4 packet?

ICMPv4 packet