tipo |
codigo |
descricao |
|
0 |
0 |
echo replay |
query |
1 |
unassigned |
unassigned |
unassigned |
2 |
unassigned |
unassigned |
unassigned |
3 |
0 |
network unreachable |
1 |
host unreachable |
2 |
protocol unreachable |
3 |
port unreachable |
4 |
fragmentation needed but don't-fragment bit
set |
5 |
source route failed |
6 |
destination network unknow (
obsoleto)
=> substituido pelo codigo 0 |
7 |
destination host unknow |
8 |
source host isolated (
obsoleto )
=>RFC1812 - o roteador deve gerar
codigo 0 ou codigo 1 |
9 |
destination network administratively prohibited |
10 |
destination host administratively prohibited |
11 |
network unreachable for TOS |
12 |
host unreachable for TOS |
13 |
communication administratively prohibited by
filtering |
14 |
host precedence violation |
15 |
precedence cutoff in effect |
|
destination unreachable |
error |
4 |
0 |
source quench |
error |
5 |
0 |
redirect for network |
1 |
redirect for host |
2 |
redirect for type-of-service and network |
3 |
redirect for type-of-service and host |
|
redirect |
error |
6 |
0 |
alternate host address |
|
7 |
unassigned |
unassigned |
unassigned |
8 |
0 |
echo request |
query |
9 |
0 |
router advertisement |
query |
10 |
0 |
router solicitation |
query |
11 |
0 |
time-to-live equals 0 during transit |
1 |
type-of-service and reassembly |
|
time exceeded |
error |
12 |
0 |
IP header bad |
1 |
required option missing |
|
parameter problem |
error |
13 |
0 |
timestamp request |
query |
14 |
0 |
timestamp reply |
query |
15 |
0 |
information request (obsoleto) |
query |
16 |
0 |
information reply (obsoleto) |
query |
17 |
0 |
address mask request |
query |
18 |
0 |
address mask reply |
query |
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 |
|
37-255 |
unassigned |
unassigned |
unassigned |
|
|
|
|
|