ICMP Messages
  • 24 Mar 2022
  • 2 Minutes to read
  • Contributors
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ICMP Messages

  • PDF

Article summary

ICMP TypeICMP CodeICMP Message
00Echo Reply
30

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Network Unreachable

Host Unreachable

Protocol Unreachable

Port Unreachable

Fragmentation Needed and Don’t Fragment was Set

Source Route Failed

Destination Network Unknown

Destination Host Unknown

Source Host Isolated

Communication with Destination Network is Administratively Prohibited

Communication with Destination Host is Administratively Prohibited

Destination Network Unreachable for Type of Service

Destination Host

Unreachable for Type of Service

Communication Administratively Prohibited

Host Precedence Violation

Precedence cutoff in effect

40Source Quench
50

1

2

3

Redirect Datagram for the Network (or subnet)

Redirect Datagram for the Host

Redirect Datagram for the Type of Service and Network

Redirect Datagram for the Type of Service and Host

60Alternate Address for Host
80Echo
90

16

Normal router advertisement

Does not route common traffic

100Router Selection
110

1

Time to Live exceeded in Transit

Fragment Reassembly Time Exceeded

120

1

2

Pointer indicates the error

Missing a Required Option

Bad Length

130Timestamp
140Timestamp Reply
150Information Request
160Information Reply
170Address Mask Request
180Address Mask Reply
190Reserved (for Security)
200Reserved (for Robustness Experiment)
210Reserved (for Robustness Experiment)
220Reserved (for Robustness Experiment)
230Reserved (for Robustness Experiment)
240Reserved (for Robustness Experiment)
250Reserved (for Robustness Experiment)
260Reserved (for Robustness Experiment)
270Reserved (for Robustness Experiment)
280Reserved (for Robustness Experiment)
290Reserved (for Robustness Experiment)
300Traceroute
310Datagram Conversion Error
320Mobile Host Redirect
330IPv6 Where-Are-You
340IPv6 I-Am-Here
350Mobile Registration Request
360Mobile Registration Reply
390SKIP
400

1

2

3

4

5

Bad SPI

Authentication Failed

Decompression Failed

Decryption Failed

Need Authentication

Need Authorization

1280cIPv6 Echo Requestell
1290IPv6 Echo Reply
1300IPv6 Multicast Listener Query
1310IPv6 Multicast Listener Report
1320IPv6 Multicast Listener Done
1330IPv6 Router Solicitation
1340IPv6 Router Advertisement
1350IPv6 Neighbor Solicitation
1360IPv6 Neighbor Advertisement
1370IPv6 Redirect Message
1380

1

255

Command

Result

Reset

1390

1

2

Subject

Subject or Empty

Ipv4 Subject

1400

1

2

Successful

Refused

Unknown

1410IPv6 Inverse Neighbor Discovery Solicitation Message
1420IPv6 Inverse Neighbor Discovery Advertisement Message
1440IPv6 Home Agent Address Discovery Request Message
1450IPv6 Home Agent Address Discovery Reply Message
1460IPv6 Mobile Prefix Solicitation
1470IPv6 Mobile Prefix Advertisement
1480IPv6 Certification Path Solicitation Message
1490IPv6 Certification Path Advertisement Message
1510IPv6 Multicast Router Advertisement
1520IPv6 Multicast Router Solicitation
1530IPv6 Multicast Router Termination
1540FMIPv6 Messages
2530RFC3692-style Experiment 1
2540RFC3692-style Experiment 2

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