diff --git a/ansible/files/chrony.conf.j2 b/ansible/files/chrony.conf.j2
index 498b06b..df2f376 100644
--- a/ansible/files/chrony.conf.j2
+++ b/ansible/files/chrony.conf.j2
@@ -16,23 +16,16 @@
 # you can access at http://support.ntp.org/bin/view/Servers/WebHome or
 # you can use servers from the pool.ntp.org project.
 
-pool pool.ntp.infomaniak.ch iburst
-server ntp11.metas.ch
-server ntp-p1.obspm.fr
-server tock.zg.ch
 
 {% if ansible_hostname == "chronos" %}
 ## Chronos is a stratum 1 server. Peers with ntp-s2
-server ntp-s2.lan.k3s.fr iburst
 refclock PPS /dev/pps0 refid PPS
 refclock SHM 0 refid GPS poll 2 precision 1e-3 offset 0.128
-{% else %}
-## NTP s2 is a VM. Peers with chronos and other NTP S1 servers
-server chronos.lan.k3s.fr iburst
-server ntp-s2-1.itu.ch
-server ntp.sceen.net
-server ntp1.as34288.net
 {% endif %}
+{% for ntp_server in ntp_servers %}
+server {{ ntp_server }} iburst
+{% endfor %}
+
 
 #######################################################################
 ### AVOIDING POTENTIALLY BOGUS CHANGES TO YOUR CLOCK
diff --git a/ansible/files/index.html b/ansible/files/index.html
index 7d37934..115c248 100644
--- a/ansible/files/index.html
+++ b/ansible/files/index.html
@@ -4,6 +4,7 @@
 </head>
 <body>
     <h1>NTP server {{ ansible_hostname }}</h1>
+    <h2>BGP IPs</h2>
     <ul>
         <li>Default ip: {{bgp_ipv6}}</li>
         <li>Backup ips:
@@ -16,5 +17,16 @@
             </ul>
         </li>
     </ul>
+
+
+    <h2>NTP sources</h2>
+    <ul>
+{% if ansible_hostname == "chronos" %}
+        <li>GPS PPS</li>
+{% endif %}
+{% for ntp_server in ntp_servers %}
+        <li>{{ ntp_server }}</li>
+{% endfor %}
+    </ul>
 </body>
 </html>
\ No newline at end of file
diff --git a/ansible/inventory.yml b/ansible/inventory.yml
index 9ea9664..0664596 100644
--- a/ansible/inventory.yml
+++ b/ansible/inventory.yml
@@ -5,6 +5,12 @@ pi:
       bgp_asn: 64600
       bgp_router_asn: 65100
       bgp_ipv6: 2a01:e0a:431:b527::a123
+      ntp_servers:
+      - ntp-s2-cra.lan.k3s.fr
+      - ntp-s2-ces.lan.k3s.fr
+      - ntp11.metas.ch
+      - tock.zg.ch
+      - tick.ntp.infomaniak.ch
 vms:
   hosts:
     ntp-s2-cra.lan.k3s.fr:
@@ -12,9 +18,26 @@ vms:
       bgp_asn: 64601
       bgp_router_asn: 65100
       bgp_ipv6: 2a01:e0a:431:b527::b123
+      ntp_servers:
+      - chronos.lan.k3s.fr
+      - ntp-s2-ces.lan.k3s.fr
+      - ntp12.metas.ch
+      - ntp-p1.obspm.fr
+      - ntp-s2-1.itu.ch
+      - ntp02.gyptazy.ch
+      - falseticker.ntp.infomaniak.ch
+
     ntp-s2-ces.lan.k3s.fr:
       bgp_router_ipv6: 2a0e:e701:122c:42::1
       bgp_asn: 64602
       bgp_router_asn: 65000
       bgp_ipv6: 2a0e:e701:122c:fff0::a123
+      ntp_servers:
+      - chronos.lan.k3s.fr
+      - ntp-s2-cra.lan.k3s.fr
+      - ntp13.metas.ch
+      - time.esa.int
+      - ntp.sceen.net
+      - g0.pub.gps.s1.ntp.faelix.net
+      - tock.ntp.infomaniak.ch
 
