3Com 5500G-EI Command Reference Guide - Page 310

310 CHAPTER 8: USING QOS/ACL COMMANDS ■ drop: Drops packets. ■ remark-dscp value: Sets a new DSCP value. Description Use the traffic-limit command to add traffic policing action in the QoS profile, with the granularity of 64 kbps. Use the undo traffic-limit command to remove traffic policing action from the QoS profile. You cannot remove traffic policing action from the specific QoS profile which has been applied to the port. Example To add to the qos-profile student this traffic policing action: Limits traffic for the packets matching ACL 2000, the target rate is 128 kbps, drop the packets at a rate exceeding this target rate, enter the following: system-view System View: return to User View with Ctrl+Z [SW5500]qos-profile student [SW5500-qos-profilestudent]traffic-limit inbound exceed drop ip-group 2000 128 traffic-priority Syntax traffic-priority inbound { ip-group acl-number [ rule rule [ link-group acl-number rule rule ] ] | link-group acl-number [ rule rule ] } { { dscp dscp-value | ip-precedence { pre-value | from-cos } } | { pre-value | from-ipprec } | local-precedence pre-value }* undo traffic-priority inbound { user-group acl-number [ rule rule ] | ip-group acl-number [ rule rule [ link-group acl-number rule rule ] ] | link-group acl-number [ rule rule ] } View QoS Profile View Parameter inbound: Replaces the preference value for the inbound packets on the port. ip-group acl-number: Basic or advanced ACL, acl-number is in the range 2000 to 3999 link-group acl-number: Layer 2 ACL, acl-number is in the range 4000 to 4999 rule rule: Specifies a match statement in the ACL, in the range 0 to in the range 0 to 65534. All match statements are selected if you skip this keyword. dscp dscp-value: Sets DSCP preference value, in the range 0 to 63.