1-9Item DescriptionCheck EstablishedSelect this option to make the rule match packetsused for establishing and maintaining TCPconnections.These items are available only when you select 6TCP from the Protocol drop-down box.OperatorPortSourceTo PortOperatorPortTCP/UDP PortDestinationTo PortSelect the operators and type the source portnumbers and destination port numbers as required.These items are available only when you select 6TCP or 17 UDP from the Protocol drop-down box.Different operators have different configurationrequirements for the port number fields:z Not Check: The following port number fieldscannot be configured.z Range: The following port number fields must beconfigured to define a port range.z Other values: The first port number field must beconfigured and the second must not.DSCP Specify the DSCPpriority.TOS Specify the ToSpreference.PrecedenceFilterPrecedence Specify the IPprecedence.If you specify the ToSprecedence or IP precedencewhen you specify the DSCPprecednece, the specified TOSor IP precedence does not takeeffect.Time RangeSelect the time range during which the rule takeseffect.Available time ranges are those that have beenconfigured.Return to IPv4 ACL configuration task list.Configuring a Rule for an Ethernet Frame Header ACLSelect QoS > ACL IPv4 from the navigation tree and then select the Link Setup tab to enter the ruleconfiguration page for an Ethernet frame header IPv4 ACL, as shown in Figure 1-5.
