ICMP Packet Types & Codes

Table 120: ICMP Packet Types/Codes (continued)

Description

ICMP Type

ICMP Code

 

 

 

Source Quench

4

0

 

 

 

Redirect

5

--

 

 

 

Redirect for Network

5

0

 

 

 

Redirect for Host

5

1

 

 

 

Redirect for Type-of-Service and Network

5

2

 

 

 

Redirect for Type-of-Service and Host

5

3

 

 

 

Echo Request

8

0

 

 

 

Router Advertisement

9

0

 

 

 

Router Solicitation

10

0

 

 

 

Time Exceeded

11

--

 

 

 

Time-to-Live Equals 0 During Transit

11

0

 

 

 

Time-to-Live Equals 0 During Reassembly

11

1

 

 

 

Parameters Problem

12

--

 

 

 

Bad IP Header

12

0

 

 

 

Required Option Missing

12

1

 

 

 

Timestamp Requested

13

0

 

 

 

Timestamp Reply

14

0

 

 

 

Address Mask Request

17

0

 

 

 

Address Mask Reply

18

0

 

 

 

Traceroute

30

--

 

 

 

Traceroute Outbound Packet Successfully Forwarded

30

0

 

 

 

Traceroute No Route for Outbound Packet

30

1

 

 

 

Conversion Errors

31

--

 

 

 

Mobile Host Redirect

32

--

 

 

 

IPv6 Where-Are-You

33

--

 

 

 

IPv6 I-Am-Here

34

--

 

 

 

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