4.18.6 QoS Port DSCP Configuration

The QoS Port DSCP Configuration page allows you to configure the basic QoS Port DSCP Configuration settings for all switch ports.

Figure 4-78. QoS Port DSCP Configuration

The QoS Port DSCP Configuration page has the following parameters:

  • Port: The Port column shows the list of ports for which you can configure DSCP ingress and egress settings.
  • Ingress: In Ingress settings you can change ingress translation and classification settings for individual ports. There are two configuration parameters available in Ingress: Translate and Classify.
    • Translate: To Enable the Ingress Translation, click the checkbox.
    • Classify: Classification for a port has four different values
      • Disable: No Ingress DSCP Classification
      • DSCP = 0: Classify if incoming (or translated, if enabled) DSCP is 0
      • Selected: Classify only selected DSCP for which classification is enabled, as specified in DSCP Translation window for the specific DSCP.
      • All: Classify all DSCP
  • Egress: Port Egress Rewriting can be one of the following:
    • Disable: No Egress rewrite
    • Enable: Rewrite enabled without remapping
    • Remap DP Unaware: DSCP from analyzer is remapped and frame is remarked with remapped DSCP value. The remapped DSCP value is always taken from the DSCP Translation > Egress Remap DP0 table.
    • Remap DP Aware: DSCP from analyzer is remapped and frame is remarked with remapped DSCP value. Depending on the DP level of the frame, the remapped DSCP value is either taken from the DSCP Translation > Egress Remap DP0 table or from the DSCP Translation > Egress Remap DP1 table.