Alcatel-Lucent OmniSwitch 6850-48 Network Configuration Manual page 516

Managing IP
Activating ICMP Control Messages
ICMP messages are identified by a type and a code. This number pair specifies an ICMP message. By
default, ICMP messages are disabled. For example, ICMP type 4, code 0, specifies the source quench
ICMP message.
To enable or disable an ICMP message, use the
ple, to enable the source quench the ICMP message (type 4, code 0) enter the following:
-> icmp type 4 code 0 enable
The following table is provide to identify the various ICMP messages, and their type and code:
ICMP Message
echo reply
network unreachable
host unreachable
protocol unreachable
port unreachable
frag needed but DF bit set
source route failed
destination network unknown
destination host unknown
source host isolated
dest network admin prohibited
host admin prohibited by filter
network unreachable for TOS
host unreachable for TOS
source quench
redirect for network
redirect for host
redirect for TOS and network
redirect for TOS and host
echo request
router advertisement
router solicitation
time exceeded during transmit
time exceeded during reassembly
ip header bad
required option missing
timestamp request
timestamp reply
information request (obsolete)
information reply (obsolete)
address mask request
page 24-30
icmp type
Type
0
0
3
3
3
3
3
3
3
3
3
3
3
3
4
5
5
5
5
8
9
10
11
11
12
12
13
14
15
16
17
OmniSwitch AOS Release 6 Network Configuration Guide
command with the type and code. For exam-
Code
0
3
1
2
3
4
5
6
7
8
9
10
11
12
0
0
1
2
3
0
0
0
0
1
0
1
0
0
0
0
0
Configuring IP
September 2009