Bandwidth -
Awstats
ATW
ISP Home
______________
Prices UK £
Message Board Community Forums + Projects & Blogs
Personals
DNS Whois Tools:
Local Bristol Links:
News:
Tech News:
Jobs:
List Of ICMP Type Codes:
ICMP
(Internet Control Message Protocol)
| 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 | ||
