---

- name: "Konfiguration des Mesh-VLAN ohne Client-VLAN"
  ansible.builtin.template:
    src: templates/interfaces_mesh_ohne_client.j2
    dest: /etc/network/interfaces
    owner: root
    group: root
    mode: '0640'
  when: ( raspberry_clientvlan|length == 0 ) and ( raspberry_meshvlan|length > 0 )

...