Technical data
RackSwitch G8124 Command Reference
178
Chapter 4: Configuration Commands BMD00076, January 2009
ICMP ACL Configuration
The TCP ACL specifies which packets to permit or deny, based on the specified criteria, as
described below:
icmp = Internet Control Message Protocol
Source IP address
Destination IP address
<message type (0-255)> = ICMP message type, as follows:
0 = Echo reply
3 = Destination unreachable
4 = Source quench
5 = Redirect
8 = Echo request
11 = Time exceeded
12 = Parameter problem
13 = Timestamp request
14 = Timestamp reply
15 = Information request
16 = Information reply
17 = Address mask request
18 = Address mask reply
<message code (0-255)> = ICMP message code, as follows:
0 = Network unreachable
1 = Host unreachable
2 = Protocol unreachable
3 = Port unreachable
4 = Fragment need
5 = Source route fail
6 = Destination network unknown
7 = Destination host unknown
8 = Source host isolated
9 = Destination network prohibited
10 = Destination host prohibited
11 = Network unreachable TOS
12 = Host unreachable TOS
TOS (Type of Service) or DSCP value
user-priority = User priority value