diff --git a/host_vars/routeur-daniel.adm.crans.org/bird.yml b/host_vars/routeur-daniel.adm.crans.org/bird.yml
new file mode 100644
index 00000000..e4cce20e
--- /dev/null
+++ b/host_vars/routeur-daniel.adm.crans.org/bird.yml
@@ -0,0 +1,28 @@
+---
+loc_bird:
+  ipv4:
+    id: 185.230.79.253
+    binds:
+      - 185.230.79.253
+    statics:
+      - 185.230.78.0/23
+    bgps:
+      - name: aurore
+        allow_local_as: 1
+        local_as: 204515
+        remote:
+          as: 43619
+          address: 185.230.79.254
+  ipv6:
+    id: 185.230.79.253
+    binds:
+      - 2a0c:700:28::1
+    statics:
+      - 2a0c:700::/36
+    bgps:
+      - name: aurore
+        allow_local_as: 1
+        local_as: 204515
+        remote:
+          as: 43619
+          address: 2a0c:700:28::2
diff --git a/host_vars/routeur-gulp.cachan-adm.crans.org/bird.yml b/host_vars/routeur-gulp.cachan-adm.crans.org/bird.yml
index ad65b913..4242bade 100644
--- a/host_vars/routeur-gulp.cachan-adm.crans.org/bird.yml
+++ b/host_vars/routeur-gulp.cachan-adm.crans.org/bird.yml
@@ -1,20 +1,28 @@
 ---
 loc_bird:
-  bgp:
-    as: 204515
-    remote_as: 8218
-    ipv4:
-      router_id: 158.255.113.73
-      bind_address: 158.255.113.73
-      network:
-        - 185.230.76.0/24
-        - 185.230.78.0/23
-      neighbor: 158.255.113.72
-    ipv6:
-      router_id: 185.230.79.62
-      bind_address: 2001:1b48:2:103::bb:2
-      network:
-        - 2a0c:700::/36
-        - 2a0c:700:3000::/36
-      neighbor: 2001:1b48:2:103::bb:1
-
+  ipv4:
+    id: 158.255.113.73
+    binds:
+      - 158.255.113.73
+    statics:
+      - 185.230.76.0/24
+    bgps:
+      - name: zayo
+        allow_local_as: 1
+        local_as: 204515
+        remote:
+          as: 8218
+          address: 158.255.113.72
+  ipv6:
+    id: 185.230.79.62
+    binds:
+      - 2001:1b48:2:103::bb:2
+    statics:
+      - 2a0c:700:3000::/36
+    bgps:
+      - name: zayo
+        allow_local_as: 1
+        local_as: 204515
+        remote:
+          as: 8218
+          address: 2001:1b48:2:103::bb:1
diff --git a/hosts b/hosts
index 45574da4..51dc22d1 100644
--- a/hosts
+++ b/hosts
@@ -20,6 +20,9 @@ belenios.adm.crans.org
 [bird]
 routeur-gulp.cachan-adm.crans.org
 
+[bird:children]
+routeurs_vm
+
 [blackbox]
 monitoring.adm.crans.org
 
diff --git a/roles/bird/templates/bird/bird.conf.j2 b/roles/bird/templates/bird/bird.conf.j2
index 95c84884..8449e576 100644
--- a/roles/bird/templates/bird/bird.conf.j2
+++ b/roles/bird/templates/bird/bird.conf.j2
@@ -9,9 +9,12 @@
 
 # Change this into your BIRD router ID. It's a world-wide unique identification
 # of your router, usually one of router's IPv4 addresses.
-router id {{ bird.bgp.ipv4.router_id }};
+router id {{ bird.ipv4.id }};
+
+{% for bind in bird.ipv4.binds %}
+listen bgp address {{ bind }} port 179;
+{% endfor %}
 
-listen bgp address {{ bird.bgp.ipv4.bind_address }} port 179;
 
 # The Kernel protocol is not a real routing protocol. Instead of communicating
 # with other routers in the network, it performs synchronization of BIRD's
@@ -20,10 +23,7 @@ protocol kernel {
 	persist;
 	scan time 60;
 	import none;
-	export filter {
-		if ( net ~ [ {{ bird.bgp.ipv4.network | join(', ') }} ] ) then reject;
-		accept;
-	};
+	export all;
 }
 
 # The Device protocol is not a real routing protocol. It doesn't generate any
@@ -34,14 +34,19 @@ protocol device {
 }
 
 protocol static {
-{% for ip in bird.bgp.ipv4.network %}
-	route {{ ip }} reject;
+{% for static in bird.ipv4.statics %}
+	route {{ static }} reject;
 {% endfor %}
 }
 
-protocol bgp zayo {
-	local as {{ bird.bgp.as }};
-	neighbor {{ bird.bgp.ipv4.neighbor }} as {{ bird.bgp.remote_as }};
+{% for bgp in bird.ipv4.bgps %}
+protocol bgp {{ bgp.name }} {
+	local as {{ bgp.local_as }};
+{% if bgp.allow_local_as is defined %}
+	allow local as {{ bgp.allow_local_as }};
+{% endif %}
+	neighbor {{ bgp.remote.address }} as {{ bgp.remote.as }};
 	import all;
 	export all;
 }
+{% endfor %}
diff --git a/roles/bird/templates/bird/bird6.conf.j2 b/roles/bird/templates/bird/bird6.conf.j2
index 8acd7b82..dd5b5590 100644
--- a/roles/bird/templates/bird/bird6.conf.j2
+++ b/roles/bird/templates/bird/bird6.conf.j2
@@ -9,9 +9,11 @@
 
 # Change this into your BIRD router ID. It's a world-wide unique identification
 # of your router, usually one of router's IPv6 addresses.
-router id {{ bird.bgp.ipv6.router_id }};
+router id {{ bird.ipv6.id }};
 
-listen bgp address {{ bird.bgp.ipv6.bind_address }} port 179;
+{% for bind in bird.ipv6.binds %}
+listen bgp address {{ bind }} port 179;
+{% endfor %}
 
 # The Kernel protocol is not a real routing protocol. Instead of communicating
 # with other routers in the network, it performs synchronization of BIRD's
@@ -20,10 +22,7 @@ protocol kernel {
 	persist;
 	scan time 60;
 	import none;
-	export filter {
-		if ( net ~ [ {{ bird.bgp.ipv6.network | join(', ') }} ] ) then reject;
-		accept;
-	};
+	export all;
 }
 
 # The Device protocol is not a real routing protocol. It doesn't generate any
@@ -34,14 +33,19 @@ protocol device {
 }
 
 protocol static {
-{% for ip in bird.bgp.ipv6.network %}
-	route {{ ip }} reject;
+{% for route in bird.ipv6.statics %}
+	route {{ route }} reject;
 {% endfor %}
 }
 
+{%for bgp in bird.ipv6.bgps %}
 protocol bgp zayo {
-	local as {{ bird.bgp.as }};
-	neighbor {{ bird.bgp.ipv6.neighbor }} as {{ bird.bgp.remote_as }};
+	local as {{ bgp.local_as }};
+{% if bgp.allow_local_as is defined %}
+	allow local as {{ bgp.allow_local_as }};
+{% endif %}
+	neighbor {{ bgp.remote.address }} as {{ bgp.remote.as }};
 	import all;
 	export all;
 }
+{% endfor %}