ICMP type |
Name |
Code |
Description |
|
|
|
|
0 |
Echo Reply |
0 |
No Code |
1 |
Unassigned |
|
|
2 |
Unassigned |
|
|
3 |
Destination Unreachable |
0 |
Net Unreachable |
|
|
1 |
Host Unreachable |
|
|
2 |
Protocol Unreachable |
|
|
3 |
Port Unreachable |
|
|
4 |
Fragmentation Needed and Don't Fragment was
Set |
|
|
5 |
Source Route Failed |
|
|
6 |
Destination Network Unknown |
|
|
7 |
Destination Host Unknown |
|
|
8 |
Source Host Isolated |
|
|
9 |
Communication with Destination Host is
Administratively Prohibited |
|
|
10 |
Communication with Destination Host is
Administratively Prohibited |
|
|
11 |
Destination Network Unreachable for Type of
Service |
|
|
12 |
Destination Host Unreachable for Type of
Service |
4 |
Source Quench |
0 |
No Code |
5 |
Redirect |
0 |
|
|
|
1 |
|
|
|
2 |
|
|
|
3 |
|
6 |
Alternate Host Address |
0 |
|
7 |
Unassigned |
|
|
8 |
Echo |
0 |
No Code |
9 |
Router Advertisement |
0 |
No Code |
10 |
Router Selection |
0 |
No Code |
11 |
Time exceeded |
0 |
Time to Live exceeded in Transit |
|
|
1 |
Fragment Reassembly Time Exceeded |
12 |
Parameter Problem |
0 |
Pointer indicates the error |
|
|
1 |
Missing a Required Option |
|
|
2 |
Bad Length |
13 |
Timestamp |
0 |
No Code |
14 |
Timestamp Reply |
0 |
No Code |
15 |
Information Request |
0 |
No Code |
16 |
Information Reply |
0 |
No Code |
17 |
Address Mask Request |
0 |
No Code |
18 |
Address Mask Reply |
0 |
No Code |
19 |
Reserved (for Security) |
|
|
20-29 |
Reserved (for Robustness Experiment) |
|
|
30 |
Traceroute |
|
|
31 |
Datagram Conversion Error |
|
|
32 |
Mobile Host Redirect |
|
|
33 |
IPv6 Where-Are-You |
|
|
34 |
IPv6 I-Am-Here |
|
|
35 |
Mobile Registration Request |
|
|
36 |
Mobile Registration Reply |
|
|
37 |
Domain Name Request |
|
|
38 |
Domain Name Reply |
|
|
39 |
SKIP |
|
|
40 |
Photuris |
|
|
41-255 |
Reserved |
|
|
|
|
|
|