HP MSR2000/3000/4000 Router Series ACL and QoS Command Reference
21
Parameters Function Descri
p
tion
{ ack ack-value
| fin fin-value |
psh psh-value |
rst rst-value |
syn syn-value |
urg urg-value }
*
Specifies one or
more TCP flags
including ACK,
FIN, PSH, RST,
SYN, and URG.
Parameters specific to TCP.
The value for each argument can be 0 (flag bit not set) or 1 (flag bit
set).
The TCP flags in a rule are ORed. For example, a rule configured with
ack 0 psh 1 matches packets that have the ACK flag bit not set or the
PSH flag bit set.
established
Specifies the flags
for indicating the
established status
of a TCP
connection.
Parameter specific to TCP.
On a router, the rule matches TCP connection packets with the ACK or
RST flag bit set.
If the protocol argument is icmp (1), set the parameters shown in Table 8.
Table 8 ICMP-specific parameters for IPv4 advanced ACL rules
Parameters Function Descri
p
tion
icmp-type { icmp-type
icmp-code |
icmp-message }
Specifies the ICMP
message type and
code.
The icmp-type argument is in the range of 0 to 255.
The icmp-code argument is in the range of 0 to 255.
The icmp-message argument specifies a message name.
Supported ICMP message names and their corresponding
type and code values are listed in Table 9.
Table 9 ICMP message names supported in IPv4 advanced ACL rules
ICMP messa
g
e name ICMP messa
g
e t
yp
e
ICMP messa
g
e code
echo 8 0
echo-reply 0 0
fragmentneed-DFset 3 4
host-redirect 5 1
host-tos-redirect 5 3
host-unreachable 3 1
information-reply 16 0
information-request 15 0
net-redirect 5 0
net-tos-redirect 5 2
net-unreachable 3 0
parameter-problem 12 0
port-unreachable 3 3
protocol-unreachable 3 2
reassembly-timeout 11 1
source-quench 4 0