Which three circumstances can cause a GRE tunnel to be in an up/down state? (Choose three.)

Last Updated: Jul 24, 2020
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Which three circumstances can cause a GRE tunnel to be in an up/down state? (Choose three.)

  • The tunnel interface IP address is misconfigured.
  • The tunnel interface is down.
  • A valid route to the destination address is missing from the routing table.
  • The tunnel address is routed through the tunnel itself.
  • The ISP is blocking the traffic.
  • An ACL is blocking the outbound traffic.

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