Type ![]() |
Name ![]() |
Reference ![]() |
---|---|---|
0 | Echo Reply | [RFC792] |
1 | Unassigned | |
2 | Unassigned | |
3 | Destination Unreachable | [RFC792] |
4 | Source Quench (Deprecated) | [RFC792][RFC6633] |
5 | Redirect | [RFC792] |
6 | Alternate Host Address (Deprecated) | [RFC6918] |
7 | Unassigned | |
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 (Deprecated) | [RFC792][RFC6918] |
16 | Information Reply (Deprecated) | [RFC792][RFC6918] |
17 | Address Mask Request (Deprecated) | [RFC950][RFC6918] |
18 | Address Mask Reply (Deprecated) | [RFC950][RFC6918] |
19 | Reserved (for Security) | [Solo] |
20-29 | Reserved (for Robustness Experiment) | [ZSu] |
30 | Traceroute (Deprecated) | [RFC1393][RFC6918] |
31 | Datagram Conversion Error (Deprecated) | [RFC1475][RFC6918] |
32 | Mobile Host Redirect (Deprecated) | [David_Johnson][RFC6918] |
33 | IPv6 Where-Are-You (Deprecated) | [Simpson][RFC6918] |
34 | IPv6 I-Am-Here (Deprecated) | [Simpson][RFC6918] |
35 | Mobile Registration Request (Deprecated) | [Simpson][RFC6918] |
36 | Mobile Registration Reply (Deprecated) | [Simpson][RFC6918] |
37 | Domain Name Request (Deprecated) | [RFC1788][RFC6918] |
38 | Domain Name Reply (Deprecated) | [RFC1788][RFC6918] |
39 | SKIP (Deprecated) | [Markson][RFC6918] |
40 | Photuris | [RFC2521] |
41 | ICMP messages utilized by experimental mobility protocols such as Seamoby | [RFC4065] |
42 | Extended Echo Request | [RFC8335] |
43 | Extended Echo Reply | [RFC8335] |
44-252 | Unassigned | |
253 | RFC3692-style Experiment 1 | [RFC4727] |
254 | RFC3692-style Experiment 2 | [RFC4727] |
255 | Reserved | [JBP] |
Codes ![]() |
Description ![]() |
Reference ![]() |
---|---|---|
0 | Net Unreachable | [RFC792] |
1 | Host Unreachable | [RFC792] |
2 | Protocol Unreachable | [RFC792] |
3 | Port Unreachable | [RFC792] |
4 | Fragmentation Needed and Don’t Fragment was Set | [RFC792] |
5 | Source Route Failed | [RFC792] |
6 | Destination Network Unknown | [RFC1122] |
7 | Destination Host Unknown | [RFC1122] |
8 | Source Host Isolated | [RFC1122] |
9 | Communication with Destination Network is Administratively Prohibited | [RFC1122] |
10 | Communication with Destination Host is Administratively Prohibited | [RFC1122] |
11 | Destination Network Unreachable for Type of Service | [RFC1122] |
12 | Destination Host Unreachable for Type of Service | [RFC1122] |
13 | Communication Administratively Prohibited | [RFC1812] |
14 | Host Precedence Violation | [RFC1812] |
15 | Precedence cutoff in effect | [RFC1812] |