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How can I configure Tunnel All Internet traffic over Site to Site VPN?
12/17/2021 
264 People found this article helpful
115,720 Views
Description
The objective of this article is to explain how to set up a Site to Site VPN between these 2 sites and then route all traffic from remote Site trough the Central Site SonicWall's WAN.
Resolution
Resolution for SonicOS 7.X
This release includes significant user interface changes and many new features that are different from the SonicOS 6.5 and earlier firmware. The below resolution is for customers using SonicOS 7.X firmware.
Create a VPN policy on both sites
- To create a VPN Policy, please follow our suggested articles: (Main Mode, Aggressive Mode).
Create a NAT policy in Central Site to translate traffic from Remote Site
- Create a NAT Policy to translate the Source IP of traffic from the Remote Site to X1 IP of the Central SonicWall.
- Navigate to Policy | Rules and Policies | NAT Rules. Click Add to open the add NAT policy window and set up as shown below and click OK to create this NAT policy.
- Navigate to Network | IPSec VPN | Rules and Settings and create the VPN policy for Remote site. You can name the policy as VPN to Remote Network.
- Select Network tab and under Local Networks choose Any address. Under Remote Networks, select the address object created for Remote site
- Go ahead and configure the Remote Site SonicWall.
- Navigate to Network | IPSec VPN | Rules and Settings and create the VPN policy for Remote site. You can name the policy as VPN to Central Network.
- Select Network tab and under Local Networks you can choose X0 Subnet. Under Remote Networks, select Use this VPN Tunnel as default route for all Internet traffic.
Bring up the Tunnel.
- We will initiate traffic from one site of the tunnel to the other by pinging an IP of a host behind the Central Site.Navigate to Investigate | Tools | System Diagnostics | under Diagnostics Tools, select Ping.
- Ping Lan interface of Central Site SonicWall.
- Test if it is possible to go online by pinging 8.8.8.8.
Resolution for SonicOS 6.5
This release includes significant user interface changes and many new features that are different from the SonicOS 6.2 and earlier firmware. The below resolution is for customers using SonicOS 6.5 firmware.
Create a VPN policy on both sites
- To create a VPN Policy, please follow our suggested articles: (Main Mode, Aggressive Mode).
Create a NAT policy in Central Site to translate traffic from Remote Site
- Create a NAT Policy to translate the Source IP of traffic from the Remote Site to X1 IP of the Central SonicWall.
- Navigate to Manage | Policies | Rules | NAT policies. Click Add to open the add NAT policy window and set up as shown below and click OK to create this NAT policy.
- Navigate to MANAGE | VPN | Base Settings and create the VPN policy for Remote site. You can name the policy as VPN to Remote Network.
- Select Network tab and under Local Networks choose Any address. Under Remote Networks, select the address object created for Remote site
- Go ahead and configure the Remote Site SonicWall.
- Navigate to VPN | Base Settings and create the VPN policy for Remote site. You can name the policy as VPN to Central Network.
- Select Network tab and under Local Networks you can chose X0 Subnet. Under Remote Networks, select Use this VPN Tunnel as default route for all Internet traffic.
Bring up the Tunnel.
- We will initiate traffic from one site of the tunnel to the other by pinging an IP of a host behind the Central Site.Navigate to Investigate | Tools | System Diagnostics | under Diagnostics Tools, select Ping.
- Ping Lan interface of Central Site SonicWall.
- Test if it is possible to go online by pinging 8.8.8.8.
Resolution for SonicOS 6.2 and Below
The below resolution is for customers using SonicOS 6.2 and earlier firmware. For firewalls that are generation 6 and newer we suggest to upgrade to the latest general release of SonicOS 6.5 firmware.
Create a VPN policy on both sites
- To create a VPN Policy, please follow our suggested articles: (Main Mode, Aggressive Mode).
Create a NAT policy in Central Site to translate traffic from Remote Site
- Create a NAT Policy to translate the Source IP of traffic from the Remote Site to X1 IP of the Central SonicWall.
- Navigate to Network | NAT policies. Click Add to open the add NAT policy window and set up as shown below and click OK to create this NAT policy.
- Go ahead and configure the Remote Site SonicWall.
- Navigate to VPN | Settings and create the VPN policy for Remote site. You can name the policy as VPN to Central Network.
- Select Network tab and under Local Networks you can chose X0 Subnet. Under Remote Networks, select Use this VPN Tunnel as default route for all Internet traffic.
Bring up the Tunnel.
- We will initiate traffic from one site of the tunnel to the other by pinging an IP of a host behind the Central Site.Navigate to System | Diagnostics | Under Diagnostics Tools, select Ping.
- Ping Lan interface of Central Site SonicWall.
- Test if it is possible to go online by pinging 8.8.8.8.
Related Articles
- Client VPN hanging at acquiring IP using SonicWall DHCP
- GVC stuck on acquiring IP for some users
- App Control fails by schema error when editing VPN category
Categories
- Firewalls > NSa Series > VPN
- Firewalls > NSv Series > VPN
- Firewalls > TZ Series > VPN
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