VPP on an EC2 instance with SR-IOV support. AWS EC2 network provides VLAN tags. So VF NIC should strip VLAN tag. This is recommened config for dpdk section at /etc/vpp/startup.conf dpdk { dev default { num-rx-queues 2 num-tx-queues 2 vlan-strip-offload on } Reference[vpp-dev] VPP on EC2 instance https://lists.fd.io/pipermail/vpp-dev/2016-November/003367.html