00001 ICMP defines the following message types
00002
00003 Message Number Message Type Meaning
00004 ---------------------------------------------------------------------------------------------------
00005 0 Echo Reply Reply to Echo Request
00006 3 Destination Unreachable Network or Host unknown
00007 4 Source Quench Message too long or arrived too soon
00008 5 Redirect The host can be reached through a different gateway
00009 8 Echo Request Requests gateway/host to return sent data
00010 11 Time Exceeded TTL exceeded
00011 12 Parameter Problem Bad parameter in message header
00012 13 Timestamp Requests gateway/host time in mSec
00013 14 Timestamp Reply Gateway/host time in mSec
00014 15 Information Request Request host network number
00015 16 Information Reply Host network number
