Dell SonicWALL TZ400 and Firebox BOVPN Virtual Interface Integration Guide

WatchGuard provides integration instructions to help our customers configure WatchGuard products to work with products created by other organizations. If you need more information or technical support about how to configure a third-party product, see the documentation and support resources for that product.

This integration guide describes how to configure a BOVPN virtual interface tunnel between a WatchGuard Firebox and a Dell SonicWALL® TZ400.

Integration Summary

The hardware and software used in this guide include:

  • WatchGuard T55-W
    • Fireware version 12.5.2.B605692
  • Dell SonicWALL TZ400
    • SonicOS Enhanced Version 6.5.4.5-53n

Topology

This diagram shows the topology for a BOVPN virtual interface connection between a Firebox and a Dell SonicWall TZ400.

Topology diagram

Configure the Firebox

On the Firebox, configure a BOVPN virtual interface connection:

  1. Log in to Fireware Web UI.
  2. Select VPN > BOVPN Virtual Interfaces.
    The BOVPN Virtual Interfaces configuration page appears.
  3. Click Add.
  4. In the Interface Name text box, type a name to identify this BOVPN virtual interface.
  5. From the Remote Endpoint Type drop-down list, select Cloud VPN or Third-Party Gateway.
  6. From the Gateway Address Family drop-down list, select IPv4 Addresses.
  7. In the Credential Method section, select Use Pre-Shared Key.
  8. In the adjacent text box, type the pre-shared key.
  9. In the Gateway Endpoint section, click Add.
    The Gateway Endpoint Settings dialog box appears.

Screen shot of the General Settings tab

  1. From the Physical drop-down list, select External.
  2. From the Interface IP Address drop-down list, select Primary Interface IPv4 Address.
    The Primary Interface IP Address is the primary IP address you configured on the selected external interface.
  3. Select By IP Address.
  4. In the adjacent text box, type the primary IP address of the External Firebox interface.

Screen shot of the Local Gateway tab

  1. Select the Remote Gateway tab.
  2. Select Static IP Address.
  3. In the adjacent text box, type the IP address of your SonicWALL WAN connection.
  4. Select By IP Address.
  5. In the adjacent text box, type the IP address of your SonicWALL WAN connection.

Screen shot of the Remote Gateway tab

  1. Click OK.
  2. In the Gateway Endpoint section, select Start Phase 1 tunnel when it is inactive.
  3. Select Add this tunnel to the BOVPN-Allow policies.

Screen shot of the completed Gateway Endpoint settings

  1. Select the VPN Routes tab.
  2. Click Add.

Screen shot of the VPN Routes tab

  1. From the Choose Type drop-down list, select Network IPv4.
  2. In the Route To text box, type the Network IP address of a route that will use this virtual interface.

Screen shot of the VPN Route Settings

  1. Click OK.

Screen shot of the completed VPN Route settings

  1. Select the Phase 1 Settings tab.
  2. From the Version drop-down list, select IKEv2.
  3. Keep all other Phase 1 settings as the default values.

Screen shot of the Phase 1 settings

  1. Keep Phase 2 Settings as the default values.

Screen shot of the Phase 2 settings

  1. Click Save.

For more information about BOVPN virtual interface configuration on the Firebox, see BOVPN Virtual Interfaces

Configure the Dell SonicWALL TZ400

Zone and Interface Settings

  1. Log in to the Dell SonicWALL TZ400 Web UI at https://<IP address of TZ400>. The default IP address is 192.168.168.168.
  2. Configure interfaces and zones. For information about how to configure interfaces and zones, see the Dell SonicWALL TZ400 documentation.

Screen shot of the Dell SonicWALL interface settings

Screen shot of the Dell SonicWALL zone settings

IPSec VPN Settings

  1. Select Manage > Policies > Objects > Address Objects.
  2. To add a new object, click Add.
  3. In the Name text box, type the object name. In our example, the name is WGINT.
  4. From the Zone Assignment drop-down list, select VPN.
  5. From the Type drop-down list, select Network.
  6. In the Network text box, type the network address.
  7. In the Netmask/Prefix Length text box, type the netmask.

Screen shot of the Dell SonicWALL address object settings

  1. Click Add.
  2. Click Close.

Screen shot of the Dell SonicWALL address object settings

  1. Select Manage > Connectivity > VPN > Base Settings.
  2. In the VPN Policies section, click Add.
  3. From the Policy Type drop-down list, select Tunnel Interface.
  4. From the Authentication Method drop-down list, select IKE using Preshared Secret.
  5. In the Name text box, type a descriptive name for this VPN. In our example, the name is VPN with WG.
  6. In the IPsec Primary Gateway Name or Address text box, type the peer IP address.
  7. Select Mask Shared Secret.
  8. In the Shared Secret and Confirm Shared Secret text boxes, type the pre-shared secret key.
  9. From the Local IKE ID drop-down list, select IPv4 Address. In the adjacent text box, type the SonicWALL outgoing public IP address.
  10. From the Peer IKE ID drop-down list, select IPv4 Address. In the adjacent text box, type the WatchGuard Firebox public IP address.

Screen shot of the Dell SonicWALL General tab

  1. Select the Proposals tab.

Screen shot of the Dell SonicWALL Proposals tab.

  1. In the IKE (Phase 1) Proposal section, from the Exchange drop-down list, select IKEv2 Mode.
  2. From the DH Group drop-down list, select Group 14.
  3. From the Encryption drop-down list, select AES-256.
  4. From the Authentication drop-down list, select SHA256.
  5. In the Ipsec (Phase 2) Proposal section, from the Protocol drop-down list, select ESP.
  6. From the Encryption drop-down list, select AES-256.
  7. From the Authentication drop-down list, select SHA256.
  8. Select the Enable Perfect Forward Secrecy check box.
  9. From the DH Group drop-down list, select Group 14.
  10. For all other settings, keep the default values.
  11. Click OK.

Screen shot of the Dell SonicWALL base settings

Route Policy Settings

  1. Select Manage > System Setup > Network > Routing.
  2. In the Route Policies section, click Add.
  3. In the Name text box, type the object name. In our example, the name is policy.
  4. From the Source drop-down list, select X2 subnet. In our example, the X2 subnet is 192.168.13.0/24.
  5. From the Destination drop-down list, select WGINT.
  6. From the Service drop-down list, select Any.
  7. From the Interface drop-down list, select VPN with WG.
  8. For all other settings, keep the default values.

Screen shot of the Dell SonicWALL route policy settings

  1. Click OK.

Screen shot of Dell SonicWALL route policies

Test the Integration

  1. Log in to the Firebox Web UI.
  2. Select System Status > VPN Statistics.
  3. Verify the VPN tunnel is active.
  4. Log in to the Dell SonicWALL TZ400 Web UI.
  5. Verify the VPN tunnel is active.
  6. Verify the hosts behind the Firebox and behind the SonicWALL can successfully ping each other.