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Dell PowerEdge FN I/O Module Command Line Reference Guide 9.10(0.0)

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Internet Control Message Protocol (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.

Table 1. ICMP Messages and Their Definitions
Symbol	Type	Code	Description	Query	Error
.			Timeout (no reply)
!	0	3	echo reply	.
U	3		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		.
C	4	0	source quench		.
	5		redirect		.
		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	.