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HP2-Z34 · Question #6

How does a non-hierarchical VPLS Martini solution prevent looping for broadcasts and multicasts?

The correct answer is B. PEs use split horizon operations, never forwarding a packet received on a pseudo wire (PW) over. See the full explanation below for the reasoning.

Question

How does a non-hierarchical VPLS Martini solution prevent looping for broadcasts and multicasts?

Options

  • APEs use a hub and spoke topology, relying on the hub to distribute broadcasts and multicasts.
  • BPEs use split horizon operations, never forwarding a packet received on a pseudo wire (PW) over
  • CPEs implement Shortest Path Bridging (SPB) VLAN Mode (SPBV).
  • DPEs implement a version of Spanning Tree Protocol (STP). preferably Multiple STP (MSTP).

How the community answered

(22 responses)
  • A
    9% (2)
  • B
    82% (18)
  • C
    5% (1)
  • D
    5% (1)

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