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JN0-360 · Question #311

What is the role of the route distinguisher (RD) in a Layer 3 VPN?

The correct answer is B. The RD allows different VRFs to contain the same IP prefixes. See the full explanation below for the reasoning.

Question

What is the role of the route distinguisher (RD) in a Layer 3 VPN?

Options

  • AThe RD controls the allocation of MPLS labels within a VRF.
  • BThe RD allows different VRFs to contain the same IP prefixes.
  • CThe RD is used to create unique routing processes within the global routing instance.
  • DThe RD is used to control the import and export of routes within a VRF.

How the community answered

(51 responses)
  • A
    10% (5)
  • B
    71% (36)
  • C
    4% (2)
  • D
    16% (8)

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