beautypg.com

Table 95 icmp notes – ZyXEL Communications P-660H-Tx v2 User Manual

Page 224

background image

Chapter 19 Logs

P-660H-Tx v2 User’s Guide

224

Table 95 ICMP Notes

TYPE

CODE

DESCRIPTION

0

Echo Reply

0

Echo reply message

3

Destination Unreachable

0

Net unreachable

1

Host unreachable

2

Protocol unreachable

3

Port unreachable

4

A packet that needed fragmentation was dropped because it was set to Don't

Fragment (DF)

5

Source route failed

4

Source Quench

0

A gateway may discard internet datagrams if it does not have the buffer space

needed to queue the datagrams for output to the next network on the route to

the destination network.

5

Redirect

0

Redirect datagrams for the Network

1

Redirect datagrams for the Host

2

Redirect datagrams for the Type of Service and Network

3

Redirect datagrams for the Type of Service and Host

8

Echo

0

Echo message

11

Time Exceeded

0

Time to live exceeded in transit

1

Fragment reassembly time exceeded

12

Parameter Problem

0

Pointer indicates the error

13

Timestamp

0

Timestamp request message

14

Timestamp Reply

0

Timestamp reply message

15

Information Request

0

Information request message

16

Information Reply

0

Information reply message