Protocol and port designations, Icmp designations, C-31 – Paradyne 9788 User Manual

Page 295: Table c-15, icmp designations, Table c-15, icmp, Designations

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C. Router CLI Commands, Codes, and Designations

9700-A2-GB20-20

December 2002

C-31

Protocol and Port Designations

The following tables are used for filtering.

ICMP Designations

Use the Internet Control Management Protocol (ICMP) designations in

Table C-15,

ICMP Designations

, when specifying a specific ICMP message to be filtered.

Table C-15. ICMP Designations (1 of 2)

Type

Code

ICMP Message

Description

0

0

echo-reply

Echo (ping) reply

All 3

n = Destination unreachable

3

0

net-unreachable

Network unreachable

3

1

host-unreachable

Host unreachable

3

2

protocol-unreachable

Protocol unreachable

3

3

port-unreachable

Port unreachable

3

4

packet-too-big

Fragmentation needed and do not
fragment (DF) bit set

3

5

source-route-failed

Source route failed

3

6

network-unknown

Destination network unknown

3

7

host-unknown

Destination host unknown

3

8

host-isolated

Source host isolated

3

9

dod-net-prohibited

Destination network admin prohibited

3

10

dod-host-prohibited

Destination host admin prohibited

3

11

net-tos-unreachable

Network unreachable for TOS (Type
of Service)

3

12

host-tos-unreachable

Host unreachable for TOS

3

13

Administratively-prohibited

Communication admin. prohibited by
filtering

3

14

host-precedence-unreachable

Host precedence violation

3

15

precedence-unreachable

Precedence cutoff in effect

4

0

source-quench

Source quench (flow control)

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