Implementing Hub and Spoke Site-to-Site VPN It is possible to establish a site to site VPN between a hub SonicWall (such as a corporate headquarters) and multiple spoke SonicWalls (branch offices) where the branches are able to communicate using the hub as an intermediary. The purpose of this document is to outline all necessary steps to configure a VPN consisting of ne hub and two spokes where all firewalls are running SonicOS Enhanced. An example is used throughout this document to clarify all concepts and instructions. {{ :sonicwall:vpn:configuring_site-to-site_vpn_over_ospf_using_command_line.pdf |}} See Document