3Com Switch 7750 SeriesCommand Reference Guide – QoS Chapter 1 QoS Commands1-38Note:LPUs support applying the combination of IP ACL rules and link ACL rules. However,the field defined by the IP ACL rules and link ACL rules cannot be of more than 32characters. Otherwise, the combination cannot be applied successfully.ViewQoS viewParameterinbound: Performs traffic statistic on the packets received by the port.outbound: Performs traffic statistic on the packets sent by the port.acl-rule: Applied ACL rules which can be the combination of various ACL rules. For theways of combining ACLs and the description on related parameters, refer to Table 1-4and Table 1-6.system-index: Specifies an interior index value which is used when an ACL rule isapplied to the port. The index value ranges from 0 to 4294,967,295. This keyword isonly available when the ACL rule number is specified in the command. After thespecified ACL takes effect, there are three scenarios when you input the index value:z If you do not input an index value or the index value you input is 0, the system willautomatically assign an index whose value is greater than 0;z If the input index value is not 0 and does not conflict with the interior index used bythe system, the system will adopt the index value input by you;z If the input index value is not 0 but conflicts with the interior index used by thesystem, the system will reassign an index value.When the specified ACL rule is not effective, the system will adopt the index value inputby you.DescriptionUse the traffic-statistic command to activate the ACL for traffic identifying and countthe traffic. This command is applicable to only the permit rules in the ACL.Use the undo traffic-statistic command to cancel the traffic statistics.The statistics information of traffic-statistic command includes the times of ACLmatches on the hardware. You can use display qos-interface traffic-statisticcommand to display the statistics information.Related command: display qos-interface traffic-statistic.