IPSec site-to-site configuration guide with Zyxel Unified Security Gateway (USG)

1.1 Go to Networks section and create a new network.

1.2 Define the network name.

1.3 Select the region and gateways number.

1.4 Choose the subnet.

1.5 Activate gateways for all users section is active by default. If you want to disable this function - just remove the mark.

2. Create the IPsec tunnel in the Vipilink portal

2.1 Go to Networks section and click on the subnet that you created in Step-1.

2.2 Click on Gateway and add a Tunnel. Choose IPSec Site-to-Site Tunnel and press to continue.

2.3 Choose between a Single-Tunnel and Dual-Tunnel.

2.4 General Settings Values

2.5 Advanced Settings Values

2.6 You can also manage a Network, Regions, Access, Firewall Rules, Routes Table, enable Split Tunneling and Private DNS.

3.1 Log in to ZyXel USG interface and go Configuration/VPN/IPSec VPN/VPN Gateway and add a new VPN Gateway.

3.2 Define the name of VPN Gateway.

3.3 Choose IKE Version.

3.4. In My Address section choose the outgoing interface.

3.5 Put the IP Address of Vipilink Gateway as a Peer Gateway Address.

3.6. Enter the preshared key that you have configured at Vipilink portal.

3.7 Choose Phase 1 Setting.

4.1 Go to Configuration/VPN/IPSec VPN/VPN Connection and a new tunnel.

4.2 Enable and add a name to rule.

4.3 Select Site-to-Site and select created VPN Gateway.

4.4 Local Policy should be for you LAN subnet, remote policy - for Vipilink subnet.

4.5 Choose Phase 2 Setting.

5.1 Verify connectivity.