diff --git a/README.md b/README.md
index 3edfbf7..b1923c6 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,43 @@
-# role_modele
+# role_ipforwarding
 
-Modèle
\ No newline at end of file
+Rôle de déploiement de l'ipforwarding.
+
+## Variables
+
+### ipforwarding_ipv4
+
+Permet d'activer ou désactiver le forwarding pour IPv4.
+
+*<span style="text-decoration: underline">Valeur par défaut:</span> aucune*
+<span style="font-style: italic;">
+<span style="text-decoration: underline">Valeur possibles:</span>
+  - `1` : activer le forwarding
+  - `0` : désactiver le forwarding
+</span>
+
+### ipforwarding_ipv6
+
+Permet d'activer ou désactiver le forwarding pour IPv6.
+Les informations sont les mêmes que pour `ipforwarding_ipv4`
+
+## Exemples
+
+### group_vars/gw.yml
+
+```yaml
+---
+
+ipforwarding_ipv4: 1
+ipforwarding_ipv6: 1
+```
+
+### playbook.yml
+
+```yaml
+---
+
+- name: Déployer le rôle ipforwarding
+  hosts: gw
+  roles:
+    - name: ipforwarding
+```
diff --git a/defaults/main.yml b/defaults/main.yml
new file mode 100644
index 0000000..cc749d6
--- /dev/null
+++ b/defaults/main.yml
@@ -0,0 +1,5 @@
+---
+# defaults file for ipforwarding
+
+ipforwarding_ipv4: 0
+ipforwarding_ipv6: 0
diff --git a/meta/main.yml b/meta/main.yml
index c58bebf..45a4b02 100644
--- a/meta/main.yml
+++ b/meta/main.yml
@@ -1,8 +1,7 @@
 galaxy_info:
   namespace: ykn
   author: pulsar89.5
-  description: Rôle modèle
-
+  description: Rôle de déploiement de l'ipforwarding
   license: GPL-3.0-or-later
 
   min_ansible_version: '2.1'
diff --git a/tasks/main.yml b/tasks/main.yml
new file mode 100644
index 0000000..7a0b129
--- /dev/null
+++ b/tasks/main.yml
@@ -0,0 +1,20 @@
+---
+# tasks file for ipforwarding
+
+- name: Changer pour IPv4
+  ansible.posix.sysctl:
+    name: net.ipv4.conf.all.forwarding
+    value: "{{ ipforwarding_ipv4 | string }}"
+    sysctl_file: /etc/sysctl.d/100-ipv4_forwarding.conf
+    sysctl_set: true
+  become: true
+  when: ipforwarding_ipv4 | string | length > 0
+
+- name: Changer pour IPv6
+  ansible.posix.sysctl:
+    name: net.ipv6.conf.all.forwarding
+    value: "{{ ipforwarding_ipv6 | string }}"
+    sysctl_file: /etc/sysctl.d/100-ipv6_forwarding.conf
+    sysctl_set: true
+  become: true
+  when: ipforwarding_ipv6 | string | length > 0