The wfantund provides a native IPv6 network interface to a connected TI Wi-SUN® FAN border router that is operating in NWP mode. The repository (public on TI GitHub) provides software to run on a Linux host with a Wi-SUN® FAN NWP connected over UART. wfantund also offers the possibility to visualize the network topology graphically with the use of a webapp as shown in Figure 5. This webapp is also part of the wfantund GitHub reposit.

Features of wfantund include:

Enables host to embedded device, host to host and multicast IPv6 communication

• Provides a native IPv6 interface to an NCP with the configuration option of separate IPv6 addresses for host and NCP

Supports External Authentication and/or DHCPv6 Servers

• Configures the host to route authentication and DHCP traffic up through wfantund (examples for FreeRADIUS and Dnsmasq).

Allows to test network performance

• Supports iperf bandwidth measurement to calculate network throughput via the TUN interfaces created by wfantund
• Supports ping latency testing

Web application

• Show all devices with IPv6 adress and nick names
• Perform Over-the-Air-Download of new firmware
• Visualize network architecture and link quality
• Send COAP commands to all router nodes to toggle LEDs
• Ping devices

Reference cross compilation support is provided for the TI AM64x platform as well as the BeaglePlay board.

Figure 5 FAN Visualization in wfantund Webapp