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What is route-based VPN? Technical Level

Route-based VPN is a method of configuring VPNs with the use of VPN Tunnel Interfaces (VTI) in VPN-1 NGX. A VTI is an operating-system level virtual interface that can be used as a Security Gateway to the VPN Domain of the peer Gateway. This type of VPN routing is based on the concept that setting up a VTI between peer Gateways is much like connecting them directly. Thus, each VTI is associated with a single tunnel to a VPN-1 Pro peer Gateway.

Route-based VPN highlights include the following:

  • Allows dynamic-routing protocols to use VTIs
  • Allows dynamic-routing protocol daemon running on a VPN-1 Pro Gateway to exchange routing information with a neighboring routing daemon, running on the other end of an IPSec tunnel


Take note that at the time of this writing VTI on VSX platform is not supported.  Therefore VSX cannot be used for AWS. See sk108958.

For additional Wire Mode details, see: the Wire mode section in the VPN R77 Administration Guide.

Refer to sk30974 (What is VPN Wire Mode?).

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Applies To:
  • VPN Community

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