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ICMP Types List

Article Index

Internet Control Message Protocol (ICMP) Parameters

Unfinished Document - please be awere of this!
This is mosty a copy from IANA so if you don't find it here try this page instead.

ICMP Type Numbers

Registration Procedures

IESG Approval or Standards Action

Reference

[RFC2939]

Note

The Internet Control Message Protocol (ICMP) has many messages that are identified by a "type" field.

 

Type Name Reference
0 Echo Reply  [RFC792]
1 Unassigned [JBP]
2 Unassigned [JBP]
3 Destination Unreachable [RFC792]
4 Source Quench (Deprecated) [RFC792][RFC6633]
5 Redirect [RFC792]
6 Alternate Host Address [JBP]
7 Unassigned [JBP]
8 Echo [RFC792]
9 Router Advertisement [RFC1256]
10 Router Solicitation [RFC1256]
11 Time Exceeded [RFC792]
12 Parameter Problem [RFC792]
13 Timestamp [RFC792]
14 Timestamp Reply [RFC792]
15 Information Request [RFC792]
16 Information Reply [RFC792]
17 Address Mask Request [RFC950]
18 Address Mask Reply [RFC950]
19 Reserved (for Security) [Solo]
20-29 Reserved (for Robustness Experiment) [ZSu]
30 Traceroute [RFC1393]
31 Datagram Conversion Error [RFC1475]
32 Mobile Host Redirect [David_Johnson]
33 IPv6 Where-Are-You [Simpson]
34 IPv6 I-Am-Here [Simpson]
35 Mobile Registration Request [Simpson]
36 Mobile Registration Reply [Simpson]
37 Domain Name Request [RFC1788]
38 Domain Name Reply [RFC1788]
39 SKIP [Markson]
40 Photuris [RFC2521]
41 ICMP messages utilized by experimental mobility protocols such as Seamoby [RFC4065]
42-255 Reserved [JBP]

 

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