HP 6120XG HP ProCurve Series 6120 Blade Switches Advanced Traffic Management G - Page 224
Steps for Creating a Policy Based on VLAN-ID Classifier., qos dscp-map, No-override
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Quality of Service (QoS): Managing Bandwidth More Effectively Using QoS Classifiers To Configure Quality of Service for Outbound Traffic Steps for Creating a Policy Based on VLAN-ID Classifier. 1. Determine the VLAN-ID classifier to which you want to assign a DSCP policy. 2. Determine the DSCP policy for packets carrying the selected VLAN-ID: a. Determine the DSCP you want to assign to the selected packets. (This codepoint will be used to overwrite the DSCP carried in packets received from upstream devices.) b. Determine the 802.1p priority you want to assign to the DSCP. 3. Configure the DSCP policy by using qos dscp-map to configure the priority for each codepoint. (See "Differentiated Services Codepoint (DSCP) Mapping" on page 5-51 for more information.) 4. Configure the switch to assign the DSCP policy to packets with the specified VLAN-ID. Syntax: vlan < vid > qos dscp < codepoint > Assigns a DSCP policy to packets carrying the specified VLAN-ID, and overwrites the DSCP in these packets with the assigned < codepoint > value. This policy includes an 802.1p priority and determines the packet's queue in the outbound port to which it is sent. If the packet leaves the switch on a tagged port, it carries the 802.1p priority with it to the next downstream device. (Default: No-override) Syntax: no vlan < vid > qos Removes QoS classifier for the specified VLAN. Syntax: show qos vlan-priority Displays a listing of all QoS VLAN-ID classifiers currently in the running-config file. For example, suppose you wanted to assign this set of priorities: VLAN-ID 40 30 20 1 DSCP 15 16 17 17 Priority 7 5 1 1 5-44