8 |
Echo |
0 |
Echo request |
0 |
Echo Reply |
0 |
Echo reply |
3 |
Destination Unreachable |
0 |
Destination network unreachable |
|
|
1 |
Destination host unreachable |
|
|
2 |
Destination protocol unreachable |
|
|
3 |
Destination port unreachable |
|
|
4 |
Fragmentation required, and DF flag set |
|
|
5 |
Source route failed |
|
|
6 |
Destination network unknown |
|
|
7 |
Destination host unknown |
|
|
8 |
Source host isolated |
|
|
9 |
Network administratively prohibited |
|
|
10 |
Host administratively prohibited |
|
|
11 |
Network unreachable for TOS |
|
|
12 |
Host unreachable for TOS |
|
|
13 |
Communication administratively prohibited |
|
|
14 |
Host Precedence Violation |
|
|
15 |
Precedence cutoff in effect |
4 |
Source Quench |
0 |
Source quench (congestion control) |
5 |
Redirect Message |
0 |
Redirect Datagram for the Network |
|
|
1 |
Redirect Datagram for the Host |
|
|
2 |
Redirect Datagram for the TOS & network |
|
|
3 |
Redirect Datagram for the TOS & host |
9 |
Router Advertisement |
0 |
Router Advertisement |
10 |
Router Solicitation |
0 |
Router discovery/selection/solicitation |
11 |
Time Exceeded |
0 |
TTL expired in transit |
|
|
1 |
Fragment reassembly time exceeded |
12 |
Parameter Problem: Bad IP header |
0 |
Pointer indicates the error |
|
|
1 |
Missing a required option |
|
|
2 |
Bad length |
13 |
Timestamp |
0 |
Timestamp |
14 |
Timestamp Reply |
0 |
Timestamp reply |
15 |
Information Request |
0 |
Information request |
16 |
Information Reply |
0 |
Information reply |
17 |
Address Mask Reques |
0 |
Address mask request |
18 |
Address Mask Reply |
0 |
Address mask reply |
30 |
Traceroute |
0 |
Information request |