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

By Cisco · Question Mode

QuestionQ80

VPN Technologies

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Refer to the exhibits. Phase 3 tunnels cannot be formed between DMVPN spokes.

Which two commands are missing?

Choose two
  • A The ip nhrp redirect command is missing on the spoke routers.
  • B The ip nhrp shortcut command is missing on the spoke routers.
  • C The ip nhrp redirect command is missing on the hub router.
  • D The ip nhrp shortcut command is missing on the hub router.
  • E The ip nhrp map command is missing on the hub router.
Explanation

DMVPN Phase 3 requires the hub to send NHRP redirect traffic indications with ip nhrp redirect, and spokes must enable shortcut switching with ip nhrp shortcut to create and use direct spoke-to-spoke tunnels. The hub lacks the redirect command, and all spoke tunnel interfaces lack the shortcut command.

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