Alcatel OmniSwitch 6600 Family Network Configuration Manual page 299

Configuring IP
In addition to the icmp type
commands for convenience. These commands are listed below with the ICMP message name, type, and
code:
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)
These commands are entered as the
echo, timestamp, and address mask commands have the options for distinguishing between a request or a
reply, and the unreachable command has options distinguishing between a network, host, protocol, or port.
For example, to enable an echo request message, enter the following:
-> icmp echo request enable
To enable a network unreachable message, enter the following:
-> icmp unreachable net-unreachable enable
See Chapter 1, "IP Commands,"
Enabling All ICMP Types
To enable all ICMP message types, use the
example:
-> icmp messages enable
To disable all ICMP messages, enter the same command with the disable keyword. For example:
-> icmp messages enable
OmniSwitch 6600 Family Network Configuration Guide
command, several commonly used ICMP messages have been separate CLI
Command
icmp unreachable
icmp unreachable
icmp unreachable
icmp unreachable
icmp echo
icmp echo
icmp timestamp
icmp timestamp
icmp addr-mask
icmp addr-mask
icmp type command, without specifying a type or code only. The
for specifics on the ICMP message commands.
icmp messages
April 2006
command with the enable keyword. For
Managing IP
page 14-21