Alcatel-Lucent OmniSwitch 6250 Cli Reference Manual page 1109

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While this command can be used to enable or disable all ICMP message, some of the more common

ICMP messages have their own CLI commands, as described in the pages below. The following ICMP

message have specific commands to enable and disable:

ICMP Message

Network unreachable (type 0, code 3)

Host unreachable (type 3, code 1)

Protocol unreachable (type 3, code 2)

Port unreachable (type 3, code 3)

Echo reply (type 0, code 0)

Echo request (type 8, code 0)

Timestamp request (type 13, code 0)

Timestamp reply (type 14, code 0)

Address Mask request (type 17, code 0)

Address Mask reply (type 18, code 0)

Enabling Host unreachable and Network unreachable messages are not recommended as it can

cause the switch instability due to high-CPU conditions depending upon the volume of traffic required

by these messages.

-> icmp type 4 code 0 enabled

-> icmp type 4 code 0 min-pkt-gap 40

-> icmp type 4 code 0 disable

Release History

Release 6.6.1; command was introduced.

Related Commands

icmp messages

show icmp control

alaIcmpCtrlTable

alaIcmpCtrlType

alaIcmpCtrlTable

alaIcmpCtrlCode

alaIcmpCtrlStatus

alaIcmpCtrlPktGap

OmniSwitch 6250 CLI Reference Guide

icmp unreachable

icmp timestamp

icmp addr-mask

Enables or disables all ICMP messages.

Allows the viewing of the ICMP control settings.

November 2009