Type Number | Type Name | Code |
0 | Reserved | 0 - no route to destination 1 - communication with destination administratively prohibited 2 - beyond scope of source address 3 - address unreachable 4 - port unreachable 5 - source address failed ingress/egress policy 6 - reject route to destination 7 - Error in Source Routing Header |
1 | Destination Unreachable | |
2 | Packet Too Big | |
3 | Time Exceeded | 0 - hop limit exceeded in transit 1 - fragment reassembly time exceeded |
4 | Parameter Problem | 0 - erroneous header field encountered 1 - unrecognized Next Header type encountered 2 - unrecognized IPv6 option encountered |
100 | Private Experimentation | |
101 | Private Experimentation | |
102 - 126 | Unassigned | |
127 | Reserved for expansion if ICMPv6 error messages | |
128 | Echo Request | |
129 | Echo Replay | |
130 | Multicast Listener Query | |
131 | Multicast Listener Report | |
132 | Multicast Listener Done | |
133 | Router Solicitation | |
134 | Router Advertisement | |
135 | Neighbor Solicitation | |
136 | Neighbor Advertisement | |
137 | Redirect Message | |
138 | Router Renumbering | 0 - Router Renumbering Command 1 - Router Renumbering Result 255 - Sequence Number Reset |
139 | ICMP Node Information Query | 0 - The Data field contains an IPv6 address which is the Subject of this Query. 1 - The Data field contains a name which is the Subject of this Query, or is empty, as in the case of a NOOP. 2 - The Data field contains an IPv4 address which is the Subject of this Query. 140 ICMP Node Information Response 0 - A successful reply. The Reply Data field may or may not be empty. 1 - The Responder refuses to supply the answer. The Reply Data field will be empty. 2 - The Qtype of the Query is unknown to the Responder. The Reply Data field will be empty. |
140 | ICMP Node Information Response | 0 - A successful reply. The Reply Data field may or may not be empty. 1 - The Responder refuses to supply the answer. The Reply Data field will be empty. 2 - The Qtype of the Query is unknown to the Responder. The Reply Data field will be empty. |
141 | Inverse Neighbor Discovery Solicitation Message | |
142 | Inverse Neighbor Discovery Advertisement Message | |
143 | Version 2 Multicast Listener Report | |
144 | Home Agent Address Discovery Request Message | |
145 | Home Agent Address Discovery Reply Message | |
146 | Mobile Prefix Solicitation | |
147 | Mobile Prefix Advertisement | |
148 | Certification Path Solicitation Message | |
149 | Certification Path Advertisement Message | |
150 | ICMP messages utilized by experimental mobility protocols such as Seamoby | |
151 | Multicast Router Advertisement | |
152 | Multicast Router Solicitation | |
153 | Multicast Router Termination | |
154 | FMIPv6 Messages | |
155 | RPL Control Message | |
156 | ILNPv6 Locator Update Message | |
157 | Duplicate Address Request | |
158 | Duplicate Address Confirmation | |
159 − 199 | Unassigned | |
200 | Private experimentation | |
201 | Private experimentation | |
255 | Reserved for expansion of ICMPv6 informational messages |