Which type of VPN routes packets through virtual tunnel interfaces for encryption and forwarding?

  • IPsec virtual tunnel interface
  • GRE over IPsec
  • dynamic multipoint VPN
  • MPLS VPN
Explanation & Hint:

The type of VPN that routes packets through virtual tunnel interfaces for encryption and forwarding is an IPsec virtual tunnel interface (VTI). IPsec VTI creates a secure tunnel for transporting IP traffic using IPsec encryption. Unlike traditional IPsec VPN configurations which rely on crypto maps, VTI provides a routable interface that can be used similarly to any other physical interface, allowing for the use of routing protocols and simplifying the configuration process for IPsec VPN.

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