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4A0-C01 · Question #663

Click the exhibit. Assuming CE1 exports its system address using BGP, is a routing policy required on PE1 to advertise CE1's system address to PE2?

The correct answer is C. No, a routing policy is not required. By default, the Alcatel-Lucent 7750 SR will advertise all VPRN routes between PE routers. See the full explanation below for the reasoning.

Question

Click the exhibit. Assuming CE1 exports its system address using BGP, is a routing policy required on PE1 to advertise CE1's system address to PE2?

Exhibit

4A0-C01 question #663 exhibit

Options

  • AYes, A routing policy is required to advertise routes between PE routers in a VPRN regardless of the CE-PE routing.
  • BYes, A routing policy is required in this case because BGP is used as the PE-CE routing protocol.
  • CNo, a routing policy is not required. By default, the Alcatel-Lucent 7750 SR will advertise all VPRN routes between PE routers.
  • DNo, a routing policy is not required on PE1, but an import policy is required on PE2.

How the community answered

(32 responses)
  • A
    6% (2)
  • B
    9% (3)
  • C
    84% (27)

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