ansible/roles/networking/tasks/main.yml

---
- name: Enable ipv4 forwarding
  ansible.posix.sysctl:
    name: net.ipv4.ip_forward
    value: '1'
    sysctl_set: true
  when: ipv4_forwarding

- name: Enable ipv6 forwarding
  ansible.posix.sysctl:
    name: net.ipv6.conf.all.forwarding
    value: '1'
    sysctl_set: true
  when: ipv6_forwarding

- name: Disable ipv4 forwarding
  ansible.posix.sysctl:
    name: net.ipv4.ip_forward
    value: '0'
    sysctl_set: true
  when: not ipv4_forwarding

- name: Disable ipv6 forwarding
  ansible.posix.sysctl:
    name: net.ipv6.conf.all.forwarding
    value: '0'
    sysctl_set: true
  when: not ipv6_forwarding