---
- name: Install quagga
  apt:
    name: quagga

- name: Tweak sysctl for table size
  ansible.posix.sysctl:
    name: net.ipv6.route.max_size
    value: 500000
    sysctl_set: yes
  notify: Apply sysctl

- name: Setup Quagga configuration
  template:
    src: "{{ item }}.j2"
    dest: "/etc/quagga/{{ item.dest }}"
    mode: u=rw,g=r,o=r
  loop:
    - daemons.j2
    - zebra.conf.j2
    - bgpd.conf.j2
  notify:
    - restart bgpd
    - restart zebra

- name: enable+start bgpd and quagga
  service:
    name: "{{ item }}"
    state: started
    enabled: true
  loop:
    - bgpd.service
    - zebra.service
...