Packet:

Byte Offset 0 2 Type Code Checksum Bytes Other message specific information... 2 3 Bit 01 2 345678902 3 45678902 345 6789 01 Nibble-yeWord ICMP Message Types Checksum Type Code/Name Type Code/Name Type Code/Name Checksum of ICMP header 11 Time Exceded 0Echo Reply 3 Destination Unreachable 3 Destination Unreachable (continued) 12 Host Unreachable for TOS O TTL Exceeded 0 Net Unreachable 1 Host Unreachable 2 Protocol Unreachable 13 Communication Administratively Prohibited 4 Source Quench 5 Redirect Fragment Reassembly Time Exceeded RFC 792 12 Parameter Problenm 0 Pointer Problem Port Unreachable 4 Fragmentation required, and DF set 5 Source Route Failed 6 Destination Network Unknown 7 Destination Host Unknown 8 Source Host Isolated 9 Network Administratively Prohibited 0 Host Administratively Prohibited 11 Network Unreachable for TOS Please refer to RFC 792 for the Internet Control Message protocol (ICMP) 0 Redirect Datagram for the Network Missing a Required Operand Redirect Datagram for the Host 2 Redirect Datagram for the TOS& Network 3 Redirect Datagram for the TOS& Host14 Timestamp Reply 2 Bad Length 13 Timestamp 5 Information Request 16 Information Reply 17 Address Mask Request 8 Address Mask Reply 30 Traceroute 8 Echo 9 Router Advertisement specification. 10 Router Selection Byte Offset 0 2 Type Code Checksum Bytes Other message specific information... 2 3 Bit 01 2 345678902 3 45678902 345 6789 01 Nibble-yeWord ICMP Message Types Checksum Type Code/Name Type Code/Name Type Code/Name Checksum of ICMP header 11 Time Exceded 0Echo Reply 3 Destination Unreachable 3 Destination Unreachable (continued) 12 Host Unreachable for TOS O TTL Exceeded 0 Net Unreachable 1 Host Unreachable 2 Protocol Unreachable 13 Communication Administratively Prohibited 4 Source Quench 5 Redirect Fragment Reassembly Time Exceeded RFC 792 12 Parameter Problenm 0 Pointer Problem Port Unreachable 4 Fragmentation required, and DF set 5 Source Route Failed 6 Destination Network Unknown 7 Destination Host Unknown 8 Source Host Isolated 9 Network Administratively Prohibited 0 Host Administratively Prohibited 11 Network Unreachable for TOS Please refer to RFC 792 for the Internet Control Message protocol (ICMP) 0 Redirect Datagram for the Network Missing a Required Operand Redirect Datagram for the Host 2 Redirect Datagram for the TOS& Network 3 Redirect Datagram for the TOS& Host14 Timestamp Reply 2 Bad Length 13 Timestamp 5 Information Request 16 Information Reply 17 Address Mask Request 8 Address Mask Reply 30 Traceroute 8 Echo 9 Router Advertisement specification. 10 Router Selection