300-410 ENARSI: Implementing Cisco Enterprise Advanced Routing and ServicesDemo

By Cisco · Question Mode

QuestionQ1

VPN Technologies

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Refer to the exhibit. The network administrator has configured VRF Lite for customer A. The technician at the remote site incorrectly configured VRF on the router.

Which configuration resolves connectivity for customer_a at both sites?

  • A
  • B
  • C
  • D
Explanation

Both sites must use route target 1:1 for importing and exporting customer_a routes so each VRF accepts the other site's routes. The remote VRF needs a distinct route distinguisher, 1:2, to keep VPN route identities unique; route-target both 1:1 supplies the required symmetric import and export policy. Cisco documents rd as the VRF route distinguisher and route-target both as configuring both import and export route-target communities.

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