QoS Priority Mapping

  1. Select the Priority Mapping tab.

    The Quality of Service (QoS) → Priority Mapping screen displays.

    Click to expand in new window
    QoS - Priority Mapping Configuration Screen
  2. In the DSCP Mapping table, set the following IP DSCP mappings for untagged frames:

    DSCP

    Lists the DSCP value as a 6-bit parameter in the header of every IP packet used for packet classification.

    802.1p Priority

    Assign a 802.1p priority as a 3-bit IP precedence value in the Type of Service field of the IP header used to set the priority. The valid values for this field are 0-7. Up to 64 entries are permitted. The priority values are:
    • 0 – Best Effort

    • 1 – Background

    • 2 – Spare

    • 3 – Excellent Effort

    • 4 – Controlled Load

    • 5 – Video

    • 6 – Voice

    • 7 – Network Control

    Note:

    Use the spinner controls within the 802.1p Priority field for each DSCP row to change its priority value.

  3. In the IPv6 Traffic Class Mapping table, set or override the following IPv6 DSCP settings for untagged frames:

    Traffic Class

    Devices that originate a packet must identify different classes or priorities for IPv6 packets. Devices use the traffic class field in the IPv6 header to set this priority.

    802.1p Priority

    Assign a 802.1p priority as a 3-bit IPv6 precedence value in the Type of Service field of the IPv6 header used to set the priority. The valid values for this field are 0-7. Up to 64 entries are permitted. The priority values are:
    • 0 – Best Effort

    • 1 – Background

    • 2 – Spare

    • 3 – Excellent Effort

    • 4 – Controlled Load

    • 5 – Video

    • 6 – Voice

    • 7 – Network Control

  4. Select OK to save the priority mapping changes.

    Select Reset to revert to the last saved configuration.