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H12-921_V1.0 · Question #169

Which of the following descriptions of ECN markers in VXLAN packets is correct in a VXLAN scenario?

The correct answer is B. Located at the head of the outer IP layer. Parsing: ECN congestion markers use the last two bits of the ToS field in the header of the IP

Data Center Network Overlay Technologies (VXLAN, EVPN)

Question

Which of the following descriptions of ECN markers in VXLAN packets is correct in a VXLAN scenario?

Options

  • ALocated at the head of the inner IP layer
  • BLocated at the head of the outer IP layer
  • CLocated at the head of the outer L2 Ethernet layer
  • DLocated at the head of the inner L2 Ethernet layer

How the community answered

(30 responses)
  • A
    17% (5)
  • B
    73% (22)
  • C
    3% (1)
  • D
    7% (2)

Explanation

Parsing: ECN congestion markers use the last two bits of the ToS field in the header of the IP

Topics

#ECN marking#VXLAN packet header#outer IP layer#congestion notification

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