(ab)uses vagrant to -build a management server and a leaf and spine switch fabric -create ansible_inventory, graphviz topology.dot it also has a baseline switch config, ansible playbooks for cfg backup/restore, cumulus ptm etc
guests: MGMT, management server based on centos7 with ansible etc SW101-SW1xx (leafs), SW201-SW2xx (spines), cumulus
host Windows 10 Enterprise version 1709 build 16299.726 virtualbox 5.2.22 vagrant 2.2.0