Lagopus software switch is a yet another OpenFlow 1.3 software switch implementation. Lagopus software switch is designed to leverage multi-core CPUs for high-performance packet processing and fowarding with DPDK. Many network protocol formats are supported, such as Ethernet, VLAN, QinQ, MAC-in-MAC, MPLS and PBB. In addition, tunnel protocol processing is supported for overlay-type networking with GRE, VxLAN and GTP. Lagopus can run on Intel x86 servers and virtual machine.