Lantronix G520 G520 User Guide - Page 158

11: Network  Advanced Settings - Similar to WAN DHCP settings, except the metric is fixed by default for other features to work as per requirement.  Firewall Settings - Firewall zone should be set as WAN zone.  DHCP Server - DHCP server should be disabled. 3. Click Save. 4. Click Save & Apply to save the configuration. Add Virtual Interface The virtual network interface allows you to configure a new interface such as a VPN tunnel that encapsulates data inside a transport protocol. The supported tunneling protocols include GRE, L2TP, PPP, and PPtP. The virtual interface can be created for other reasons, such as to configure a relay bridge to extend the wireless network. Note: Adding a virtual interface may require modifications to the load balancer configuration. For load balancer configuration, see Load Balancing. For additional support and knowledge base articles, please visit Lantronix Support. To add a new interface: 1. Go to Network > Interfaces, scroll to the bottom of the list of interfaces and click Add new interface. Figure 11-6 Network Add New Interface 2. Enter the interface name. The name must include only alpha numeric characters and special character underscore ( _ ). 3. Select the protocol to assign to the interface. 4. Click Create interface. 5. Configure the interface settings relative to the selected protocol.  The first field below the protocol selection is Bring up on boot. This is enabled by default and will start the interface when the gateway is booted.  For the remaining configuration details, see Table 11-9. 6. Click Save to save the new interface. 7. Click Save & Apply to apply the configuration to the gateway. G520 Series IoT Cellular Gateway User Guide 158