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ICMPv6 TYPE NUMBERS
-------------------
(last updated 2001 June 08)
The Internet Control Message Protocol (ICMPv6) has many messages that
are identified by a "type" field [RFC2463].
Error messages have message Types from 0 to 127.
Informational messages have message Types from 128 to 255.
Type Name Reference
---- ------------------------- ---------
1 Destination Unreachable [RFC2463]
2 Packet Too Big [RFC2463]
3 Time Exceeded [RFC2463]
4 Parameter Problem [RFC2463]
128 Echo Request [RFC2463]
129 Echo Reply [RFC2463]
130 Multicast Listener Query [MC-LIST]
131 Multicast Listener Report [MC-LIST]
132 Multicast Listener Done [MC-LIST]
133 Router Solicitation [RFC2461]
134 Router Advertisement [RFC2461]
135 Neighbor Solicitation [RFC2461]
136 Neighbor Advertisement [RFC2461]
137 Redirect Message [RFC2461]
138 Router Renumbering [Crawford]
139 ICMP Node Information Query [Crawford]
140 ICMP Node Information Response [Crawford]
141 Inverse Neighbor Discovery [RFC3122]
Solicitation Message
142 Inverse Neighbor Discovery [RFC3122]
Advertisement Message
Many of these ICMP types have a "code" field. Here we list the types
again with their assigned code fields.
Type Name Reference
---- ------------------------- ---------
1 Destination Unreachable [RFC2463]
Code 0 - no route to destination
1 - communication with destination
administratively prohibited
2 - (not assigned)
3 - address unreachable
4 - port unreachable
2 Packet Too Big [RFC2463]
Code 0
3 Time Exceeded [RFC2463]
Code 0 - hop limit exceeded in transit
1 - fragment reassembly time exceeded
4 Parameter Problem [RFC2463]
Code 0 - erroneous header field encountered
1 - unrecognized Next Header type encountered
2 - unrecognized IPv6 option encountered
128 Echo Request [RFC2463]
Code 0
129 Echo Reply [RFC2463]
Code 0
130 Multicast Listener Query [MC-LIST]
Code 0
131 Multicast Listener Report [MC-LIST]
Code 0
132 Multicast Listener Done [MC-LIST]
Code 0
133 Router Solicitation [RFC2461]
Code 0
134 Router Advertisement [RFC2461]
Code 0
135 Neighbor Solicitation [RFC2461]
Code 0
136 Neighbor Advertisement [RFC2461]
Code 0
137 Redirect Message [RFC2461]
Code 0
138 Router Renumbering [Crawford]
Code 0 - Router Renumbering Command
1 - Router Renumbering Result
255 - Sequence Number Reset
141 Inverse Neighbor Discovery
Solicitation Message
Code 0 [RFC3122]
142 Inverse Neighbor Discovery
Advertisement Message
Code 0 [RFC3122]
IPv6 NEIGHBOR DISCOVERY OPTION FORMATS
--------------------------------------
The IPv6 Neighbor Discovery has options that are identified by an Option
Format Type field [RFC2461].
Type Description Reference
---- ----------- ---------
1 Source Link-layer Address [RFC2461]
2 Target Link-layer Address [RFC2461]
3 Prefix Information [RFC2461]
4 Redirected Header [RFC2461]
5 MTU [RFC2461]
6 NBMA Shortcut Limit Option [IPV6-NBMA]
7 Advertisement Interval [MOBILE-IPv6]
8 Home Agent Information [MOBILE-IPv6]
9 Source Address List [RFC3122]
10 Target Address List [RFC3122]
REFERENCES
----------
[RFC2463] Conta, A., and S. Deering, " Internet Control Message
Protocol (ICMPv6) for the Internet Protocol Version 6
(IPv6) Specification", RFC 2463, December 1998.
[IPV6-NBMA] Armitage, G., P. Schulter, M. Jork, G. Harter, "IPv6 over
Non-Broadcast Multiple Access (NBMA) network", Internet
Draft, March 1998.
[MC-LIST] Deering, S., W. Fenner, B. Haberman, "Multicast Listener
Discovery (MLD) for IPv6", Internet Draft, March 1998.
[MOBILE-IPv6] Johnson, D., C. Perkins, "Mobility Support in IPv6",
Internet Draft, August 1998.
[RFC2461] Narten, T., E. Nordmark, and W. Simpson, "Neighbor
Discovery for IP Version 6 (IPv6)", RFC 2461, December
1998.
[RFC3122] A. Conta, "Extensions to IPv6 Neighbor Discovery for
Inverse Discovery", RFC 3122, June 2001.
PEOPLE
------
[Crawford] Matt Crawford <crawdad@gungnir.fnal.gov>, January 1998,
April 1999.
[]
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