D-SNC-DY-00: Dell SONiC DeployDemo

By Dell · Question Mode

QuestionQ15

QoS

What is the effect of entering the qos-mode uniform command on a VTEP interface?

  • A The DCSP values for the local and remote VTEPs are synchronized.
  • B The local VNI value is aligned to the VNI of the remote VTEP interface.
  • C A uniform VNI value is configured on local and remote VTEP interfaces.
  • D The payload DSCP value is copied to the outer header DSCP value.
Explanation

Uniform VXLAN QoS preserves DSCP-based traffic classification across the tunnel by copying a Layer 3 payload’s DSCP value to the outer VXLAN header during encapsulation. At tunnel egress, uniform mode also copies the outer-header DSCP to the decapsulated packet.

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