Types of site to site VPN scenarios and configurations

Here's the different scenarios:

• Main Mode - Used when VPN Sites have permanent/Static public IP address.
  How to Configure a Site-to-Site VPN Policy using Main Mode
  Configuring a Site to Site VPN between two SonicWalls on the same WAN subnet with same default gateway
• Aggressive Mode - Used when One Site has permanent/static public IP and the other site has a dynamic/temporary public IP address.
  Configuring Aggressive Mode Site to Site VPN when a Site has Dynamic WAN IP address
• Hub and Spoke - Setting up VPNs when two or more remote sites (Spokes) want to connect to central site (Hub).
  Implementing Hub and Spoke Site-to-Site VPNs
  How to create a Hub and Spoke Tunnel Interface VPN network with OSPF
• IKEv2 - Setting up VPNs using the Internet key exchange (IKEv2) protocol.
  How to setup Site to Site VPN with IKE2 Dynamic Client Proposal in SonicOS 6.2 and above
• Using Wizard - walks you step-by-step through the VPN configuration.
  Configuring Site-to-Site VPN using the Wizard on SonicOS Enhanced

Here's some advanced VPN configurations:

• NAT over VPN - Used when VPN sites have same or overlapping networks.
  How to configure NAT over VPN in a site to site VPN with overlapping networks
• IPv6
  How to configure an IPv6 IPSec VPN
• Using Route Based VPN / Tunnel Interface
  How to Configure a Tunnel Interface VPN (Route-Based VPN) between two SonicWall UTM appliances
  Configuring a Tunnel Interface VPN with DHCP Relay using IP Helper
• VPNs using Dynamic Routes (RIP, OSPF, BGP, etc.)
  Dynamic Route Based VPN (Basic Config)
  How to configure redundant routes for Route Based VPN
  Configuring Site-to-Site VPN over OSPF using Command Line
  How to create a mesh VPN network using Tunnel Interfaces and OSPF
• Adding more IP Subnets to existing VPNs
  Adding a subnet to an existing Site to Site VPN Tunnel
  Adding a wireless network to a site to site VPN
  How to allow wireless traffic over a site to site VPN when the WLAN is bridged to the LAN
• Bandwidth Management
  Bandwidth Management of Site to Site VPN Traffic
• Certificates
  How to obtain certificates for VPN connections (Site to Site, GVC, L2TP) from a Windows Certificate server
  Site to Site VPN Using Certificates
• Command Line
  Configuring Site to Site VPN policies using Enterprise Command Line Interface (E-CLI)
  Configuring Site-to-Site VPN over OSPF using Command Line
• DHCP Over VPN
  Using IP Helper to obtain DHCP over a Policy-based Site to Site VPN Tunnel
• Manual Key
  Configuring Site-to-Site VPN with Manual Key
• Mapping Drives
  Configure VPN sites to pass Microsoft NetBIOS broadcast traffic
• Port Forwarding
  Port Forwarding over a Site to Site VPN Tunnel
  Route traffic to certain website(s) through site to site VPN without Route All Traffic VPN setup
• Probing
   Configuring VPN Failover using Static Routes and Network Monitor Probes
• Restrictions
  How to control / restrict traffic over a site to site VPN tunnel using Access Rules?
• uPNP
  How to connect a Playstation 3 (PS3) console to a UPnP Media Server over a site-to-site VPN?
• 3rd Party
  How To configure a Site to Site VPN tunnel between a SonicWall and Linksys VPN Router in aggressive mode?
  

  Site to site VPN between a SonicOS Enhanced and a Cisco IOS device?