diff --git a/roles/router/templates/keepalived-aurore.conf b/roles/router/templates/keepalived-aurore.conf
index 9cbfc04..a260c36 100644
--- a/roles/router/templates/keepalived-aurore.conf
+++ b/roles/router/templates/keepalived-aurore.conf
@@ -112,6 +112,38 @@ vrrp_instance VI_ROUT_aurore_IPv4 {
   }
 }
 
+vrrp_instance VI_ROUT_{{ apartment_block }}_IPv4_GTW {
+{% if 'backup' in inventory_hostname %}
+  state MASTER
+  priority 150
+{% else %}
+  state BACKUP
+  priority 100
+{% endif %}
+
+  # Interface used for VRRP communication.
+  interface ens19
+
+  # Shared by MASTER and BACKUP
+  virtual_router_id 5{{ apartment_block_id }}
+
+  # Timeout in seconds before failover kicks in.
+  advert_int 2
+
+  # Used to authenticate VRRP communication between master and backup.
+  authentication {
+    auth_type PASS
+    auth_pass 48gbsassybbhaeFjoAjp
+  }
+
+  smtp_alert
+
+  virtual_routes {
+    # Gateway to routeur-aurore by default
+    src 45.66.111.140 to 0.0.0.0/0 via 10.129.0.254 dev ens18
+  }
+}
+
 vrrp_instance VI_ROUT_aurore_IPv6 {
 {% if 'backup' in inventory_hostname %}
   state BACKUP
@@ -174,3 +206,35 @@ vrrp_instance VI_ROUT_aurore_IPv6 {
     2a09:6840:51::/64 via 2a09:6840:129::5:254 dev ens18
   }
 }
+
+vrrp_instance VI_ROUT_{{ apartment_block }}_IPv6_GTW {
+{% if 'backup' in inventory_hostname %}
+  state MASTER
+  priority 150
+{% else %}
+  state BACKUP
+  priority 100
+{% endif %}
+
+
+  # Interface used for VRRP communication.
+  interface ens19
+
+  # Shared by MASTER and BACKUP
+  virtual_router_id 7{{ apartment_block_id }}
+
+  # Timeout in seconds before failover kicks in.
+  advert_int 2
+
+  # Used to authenticate VRRP communication between master and backup.
+  authentication {
+    auth_type PASS
+    auth_pass 48gbsassybbhaeFjoAjp
+  }
+
+  smtp_alert
+
+  virtual_routes {
+        src 2a09:6840:129::240 to ::/0 via 2a09:6840:129::254 dev ens18
+  }
+}