Symbol
Type
Code
Description
Query
Error
0
redirect for network
.
1
redirect for host
.
2
redirect for type-of-service and
network
.
3
redirect for type-of-service and
host
.
8
0
echo request
.
9
0
router advertisement
.
10
0
router solicitation
.
&
11
time exceeded:
0
time-to-live equals 0 during transit
.
1
time-to-live equals 0 during
reassembly
.
12
parameter problem:
1
IP header bad (catchall error)
.
2
required option missing
.
13
0
timestamp request
.
14
0
timestamp reply
.
15
0
information request (obsolete)
.
16
0
information reply (obsolete)
.
17
0
address mask request
.
18
0
address mask reply
.
1364
ICMP Message Types
