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HPE2-Z38 · Question #3

An organization is deploying an HP SDN solution in its legacy network. The network includes OpenFlow-enabled devices and legacy devices that do not support OpenFlow. How does the HP VAN SDN…

The correct answer is D. The controller broadcasts LLDP packets to discover whether connected switches are OpenFlow-. See the full explanation below for the reasoning.

Question

An organization is deploying an HP SDN solution in its legacy network. The network includes OpenFlow-enabled devices and legacy devices that do not support OpenFlow. How does the HP VAN SDN Controller discover multi-hop links that cross non-OpenFlow enabled switches?

Options

  • AThe controller uses ARP to discover all devices on the network and then uses Open Flow to
  • BThe controller broadcasts BDDP packets that pass through legacy switches to OpenFlow-enabled
  • CThe controller instructs OpenFlow-enabled switches to broadcast BDDP packets that pass through
  • DThe controller broadcasts LLDP packets to discover whether connected switches are OpenFlow-

How the community answered

(55 responses)
  • A
    13% (7)
  • B
    4% (2)
  • C
    7% (4)
  • D
    76% (42)

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