name: vxlan-evpn-l2
topology: 
  nodes:
    spine1:
            kind: ceos
            image: ceos:4.31.1F
            mgmt-ipv4: 172.20.20.101
    leaf1:
            kind: ceos
            image: ceos:4.31.1F
            mgmt-ipv4: 172.20.20.11
    leaf2:
            kind: ceos
            image: ceos:4.31.1F
            mgmt-ipv4: 172.20.20.12
    host1:
            kind: linux
            image: alpine:latest
            binds:
                  - hosts/h1_interfaces:/etc/network/interfaces
            mgmt-ipv4: 172.20.20.21
    host2:
            kind: linux
            image: alpine:latest
            binds:
                  - hosts/h2_interfaces:/etc/network/interfaces
            mgmt-ipv4: 172.20.20.22
  links:
          - endpoints: ["spine1:eth1", "leaf1:eth1"]
          - endpoints: ["spine1:eth2", "leaf2:eth1"]
          - endpoints: ["leaf1:eth2", "host1:eth1"]
          - endpoints: ["leaf2:eth2", "host2:eth1"]