System Requirements

The following hardware configuration is recommended for a sucessful flexiEdge deployment and operation:

  • Ubuntu 18.04 LTS. Download the latest Ubuntu from here. If using igb interfaces, make sure to Ubuntu 18.04.3 instead. Download from Ubuntu 18.04.3 here
  • Two CPU cores minimum. 64-bit required, Intel or AMD x86-64 CPU
  • 4GB RAM minimum, 8GB recommended
  • 16GB disk size minimum
  • Two network interfaces are required for flexiWAN. Network adapters must be supported by DPDK and PCIe based
  • Check the complete list of supported DPDK adapters here
  • WAN interface must have internet access. Public IP preferred however flexiWAN can work behind NAT as well
  • 1:1 NAT or port forwarded VxLAN port 4789 supported
  • IP reachability between router WAN IP’s
  • Ubuntu specific settings:
    • Set system clock to UTC
    • disable transparent hubpages
    • disable Ubuntu automatic upgrades
    • NOTE: All of the above settings can automatically fixed by using system checker tool.


  • VMware products fully supported, use vmxnet3 network interfaces
  • KVM and VirtualBox supported
  • virtio-net interfaces supported
  • PCI passtrough supported


Hardware and software configuration is checked after installation with fwsystem_checker utility, to verify and fix potential software configuration issues.


Some of the requirements may be relaxed in the future releases.