0/0	Echo Reply
3/0	Destination Unreachable/Net Unreachable
3/1	Destination Unreachable/Host Unreachable
3/2	Destination Unreachable/Protocol Unreachable
3/3	Destination Unreachable/Port Unreachable
3/4	Destination Unreachable/Fragmentation Needed-Don't Fragment was Set
3/5	Destination Unreachable/Source Route Failed
3/6	Destination Unreachable/Destination Network Unknown
3/7	Destination Unreachable/Destination Host Unknown
3/8	Destination Unreachable/Source Host Isolated
3/9	Destination Unreachable/Destination Network Administratively Prohibited
3/10	Destination Unreachable/Destination Host Administratively Prohibited
3/11	Destination Unreachable/Destination Network Unreachable for TOS
3/12	Destination Unreachable/Destination Host Unreachable for TOS
3/13	Destination Unreachable/Communication Administratively Prohibited
3/14	Destination Unreachable/Host Precedence Violation
3/15	Destination Unreachable/Precedence cutoff in effect
4/0	Source Quench
5/0	Redirect/Redirect Datagram for the Network (or subnet)
5/1	Redirect/Redirect Datagram for the Host
5/2	Redirect/Redirect Datagram for the Type of Service and Network
5/3	Redirect/Redirect Datagram for the Type of Service and Host
6/0	Alternate Host Address
8/0	Echo
9/0	Router Advertisement
10/0	Router Selection
11/0	Time Exceeded/Time to Live exceeded in Transit
11/1	Time Exceeded/Fragment Reassembly Time Exceeded
12/0	Parameter Problem/Pointer indicates the error
12/1	Parameter Problem/Missing a Required Option
12/2	Parameter Problem/Bad Length
13/0	Timestamp
14/0	Timestamp Reply
15/0	Information Request
16/0	Information Reply
17/0	Address Mask Request
18/0	Address Mask Reply
30/0	Traceroute
31/0	Datagram Conversion Error
32/0	Mobile Host Redirect
33/0	IPv6 Where-Are-You
34/0	IPv6 I-Am-Here
35/0	Mobile Registration Request
36/0	Moblie Registration Reply
40/0	Photuris/Reserved
40/1	Photuris/unknown security parameters index
40/2	Photuris/valid security parameters, but authentication failed
40/3	Photuris/valid security parameters, but decryption failed
