232
Item Descri
tion
TCP/UDP Port
TCP Connection
Established
Select this box to make the rule match packets used for
establishing and maintaining TCP connections.
These items are available only when you select 6 TCP from the
Protocol list.
A rule with this item configured matches TCP connection packets
with the ACK or RST flag.
Source
Select the operators and, enter the source port numbers and
destination port numbers as required.
These items are available only when you select 6 TCP or 17 UDP
from the Protocol list.
Different operators have different configuration requirements for
the port number fields:
• Not Check—The following port number fields cannot be
configured.
• Range—The following port number fields must be configured
to define a port range.
• Other values—The first port number field must be configured
and the second must not.
Destination
Precedence
Filter
DSCP Specify the DSCP priority.
TOS Specify the ToS preference.
Precedence Specify the IP precedence.
Time Range
Select the time range during which the rule takes effect.
Configuring a rule for an Ethernet frame header
ACL
Select Advanced > QoS Setup > ACL IPv4 from the navigation tree and then select the Link Config tab to
enter the rule configuration page for an Ethernet frame header IPv4 ACL.