diff --git a/roles/r-int/tasks/main.yml b/roles/r-int/tasks/main.yml
index 88f86c0..10a5577 100644
--- a/roles/r-int/tasks/main.yml
+++ b/roles/r-int/tasks/main.yml
@@ -17,3 +17,13 @@
 
   #- name: extraction fog.tar.gz
   #unarchive: src=/tmp/fog.tar.gz  dest=/var/www/ copy=no
+
+- name: delais 2 secondes isc-dhcp-service
+  become: yes
+  lineinfile:
+    path: /etc/init.d/isc-dhcp-server
+    insertafter: '^\s+start\)$'
+    line: "                sleep 2"
+    firstmatch: yes
+    state: present
+    backup: yes