Configuring QoS on BlackDiamond X8 and 8800, SummitStack, and Summit Family Switches

The following figure shows the QoS configuration components for BlackDiamond X8 and 8800 series switches, SummitStack, and Summit family switches.

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QoS on BlackDiamond X8 and 8800 Series Switches, SummitStack, and Summit Family Switches
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QoS Configuration Guidelines for BlackDiamond X8 and 8800, SummitStack, and Summit Family Switches

The considerations below apply only to QoS on the BlackDiamond X8 and 8800 series switches, SummitStack, and Summit family switches:
  • The following QoS features share resources:
    • ACLs
    • dot1p
    • VLAN-based QoS
    • Port-based QoS
  • You might receive an error message when configuring a QoS feature in the above list; it is possible that the shared resource is depleted. In this case, unconfigure one of the other QoS features and reconfigure the one you are working on.

  • On a SummitStack, you cannot create QoS profile QP7. This QoS profile is reserved for system control traffic.

  • These switches allow dynamic creation and deletion of QoS queues, with QP1 and QP8 always available.

  • ACL egress rate-limit meters are supported only on BlackDiamond X8, BlackDiamond c-, xl-, and xm-series modules, and Summit x460, X480, X670, and X770 switches.