diff --git a/playbook.yml b/playbook.yml
index e469511..47904d6 100644
--- a/playbook.yml
+++ b/playbook.yml
@@ -17,7 +17,7 @@
       datacenter: "{{ hv.datacenter }}"
       folder: "{{ hv.folder }}"
       cluster: "{{ hv.cluster }}"
-      name: "{{ kubernetes.clustername | upper }}_{{ (item.ip | checksum)[-5:] | upper }}"
+      name: "{{ kubernetes.clustername | upper }}-{{ (item.ip | checksum)[-5:] | upper }}"
       datastore: "{{ hv.datastore }}"
       disk_provisioning: thin
       networks:
@@ -26,14 +26,14 @@
       ovf: /scratch/image.ova
       deployment_option: "{{ image.deployment_option }}"
       properties:
-        guestinfo.hostname: "{{ kubernetes.clustername | upper }}_{{ (item.ip | checksum)[-5:] | upper }}"
+        guestinfo.hostname: "{{ kubernetes.clustername | upper }}-{{ (item.ip | checksum)[-5:] | upper }}"
         guestinfo.rootpw: "{{ root_password }}"
         guestinfo.rootsshkey: "foo"
-        guestinfo.ntpserver: 127.0.0.1
+        guestinfo.ntpserver: "{{ network.ntpserver }}"
         guestinfo.ipaddress: "{{ item.ip | ansible.utils.ipaddr('address') }}"
-        guestinfo.prefixlength: "{{ (item.ip | split('/'))[-1] }}"
-        guestinfo.dnsserver: 127.0.0.1
-        guestinfo.gateway: 127.0.0.1
+        guestinfo.prefixlength: "{{ (item.ip | ansible.utils.ipaddr('prefix') }}"
+        guestinfo.dnsserver: "{{ network.dnsserver }}"
+        guestinfo.gateway: "{{ network.gateway }}"
       # customization_spec: "{{ customization_spec }}"
     delegate_to: localhost
     with_items: "{{ servers }}"
diff --git a/vars/cluster.k3s.yml b/vars/cluster.k3s.yml
index 444d1b1..ce7bd5a 100644
--- a/vars/cluster.k3s.yml
+++ b/vars/cluster.k3s.yml
@@ -4,6 +4,10 @@ kubernetes:
 image:
   deployment_option: large
   ova_url: sn.itch.fyi/Repository/rel/Ubuntu-Server-20.04.ova
+network:
+  ntpserver: 0.pool.ntp.org,1.pool.ntp.org,2.pool.ntp.org
+  dnsserver: 192.168.11.220,192.168.5.220
+  gateway: 192.168.11.1
 servers:
   - ip: 192.168.11.121/24
     guest_id: ubuntu64Guest