Icmp Message Types - Dell Force10 Z9000 Reference Manual

ICMP Message Types

This chapter lists and describes the possible ICMP message type resulting from a ping. The first three columns list the
possible symbol or type/code. For example, you would receive a ! or 03 as an echo reply from your ping.
ICMP Messages and Their Definitions.\
Symbol Type
.
! 0
U 3
C 4
5
Code Description
Timeout (no reply)
3 echo reply
destination unreachable:
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 unknown
7 destination host unknown
8 source host isolated (obsolete)
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
0 source quench
redirect
0 redirect for network
20
Query Error
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