Hello, I am a little confuse after read snippet instruction. I want first to have a brief of my environment. I have two machines, each of them has 2+ nics. I want to use 2 of them both. One is for controller (api+network), another is for compute node only (compute-nova). but the two of nics will use same subnet IP (such as 10.0.0.11 eth0, 10.0.0.2 eth1). My original idea is to act eth0 as management network/storage/api/tenant, eth1 is for external network. my operating system is centos7, and rdo juno. any suggestion how to design my network? which network type should i choose? gre/vxlan? If you have advise any exist article for me to reference, it should be better. Thanks, Eugene