# Understanding VPN Communication

- Understanding Internet Access and VPNs
- Traffic Flow from the VPN to the Internet Overview
- Example: Configuring a Default Route to a Shared Interface
- Example: Configuring a Fallback Global Option
- Example: Configuring a Global Import Map for Specific Routes
- Creation of a BGP Session Between the CE Router and the Parent VR Overview
- Example: Creating a BGP Session Between the CE Router and the Parent VR
- Traffic Flow from the Internet to the VPN Overview
- Example: Adding Static Routes to a Shared IP Interface
- Example: Exporting VPN Routes to Global BGP RIB Using Global Export Maps