Alcatel-Lucent OmniSwitch 6250, Cli Reference Manual, Page: 1109 / 2018

IP Commands
OmniSwitch 6250 CLI Reference Guide November 2009 page 29-61
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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:
•
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.
Examples
-> 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
MIB Objects
alaIcmpCtrlTable
alaIcmpCtrlType
alaIcmpCtrlTable
alaIcmpCtrlCode
alaIcmpCtrlStatus
alaIcmpCtrlPktGap
ICMP Message Command
Network unreachable (type 0, code 3) icmp unreachable
Host unreachable (type 3, code 1) icmp unreachable
Protocol unreachable (type 3, code 2) icmp unreachable
Port unreachable (type 3, code 3) icmp unreachable
Echo reply (type 0, code 0) icmp echo
Echo request (type 8, code 0) icmp echo
Timestamp request (type 13, code 0) icmp timestamp
Timestamp reply (type 14, code 0) icmp timestamp
Address Mask request (type 17, code 0) icmp addr-mask
Address Mask reply (type 18, code 0) icmp addr-mask
icmp messages Enables or disables all ICMP messages.
show icmp control Allows the viewing of the ICMP control settings.