diff --git a/classes/cluster/virtual-mcp-ocata-cicd/openstack/init.yml b/classes/cluster/virtual-mcp-ocata-cicd/openstack/init.yml
index 3cda036..b21c692 100644
--- a/classes/cluster/virtual-mcp-ocata-cicd/openstack/init.yml
+++ b/classes/cluster/virtual-mcp-ocata-cicd/openstack/init.yml
@@ -131,6 +131,7 @@
 
   linux:
     network:
+      purge_hosts: true
       host:
         prx:
           address: ${_param:openstack_proxy_address}
diff --git a/classes/cluster/virtual-mcp-ocata-dvr/openstack/init.yml b/classes/cluster/virtual-mcp-ocata-dvr/openstack/init.yml
index 537cafb..9b67ace 100644
--- a/classes/cluster/virtual-mcp-ocata-dvr/openstack/init.yml
+++ b/classes/cluster/virtual-mcp-ocata-dvr/openstack/init.yml
@@ -121,6 +121,7 @@
     ceilometer_influxdb_password: lmapass
   linux:
     network:
+      purge_hosts: true
       host:
         prx:
           address: ${_param:openstack_proxy_address}
diff --git a/classes/cluster/virtual-mcp-ocata-ovs/openstack/init.yml b/classes/cluster/virtual-mcp-ocata-ovs/openstack/init.yml
index cd42a02..46f4365 100644
--- a/classes/cluster/virtual-mcp-ocata-ovs/openstack/init.yml
+++ b/classes/cluster/virtual-mcp-ocata-ovs/openstack/init.yml
@@ -116,6 +116,7 @@
     mongodb_shared_key: eoTh1AwahlahqueingeejooLughah4tei9feing0eeVaephooDi2li1TaeV1ooth
   linux:
     network:
+      purge_hosts: true
       host:
         prx:
           address: ${_param:openstack_proxy_address}
diff --git a/classes/cluster/virtual-mcp05-dvr/openstack/init.yml b/classes/cluster/virtual-mcp05-dvr/openstack/init.yml
index 28a045d..39851a2 100644
--- a/classes/cluster/virtual-mcp05-dvr/openstack/init.yml
+++ b/classes/cluster/virtual-mcp05-dvr/openstack/init.yml
@@ -83,6 +83,7 @@
     mongodb_shared_key: eoTh1AwahlahqueingeejooLughah4tei9feing0eeVaephooDi2li1TaeV1ooth
   linux:
     network:
+      purge_hosts: true
       host:
         prx:
           address: ${_param:openstack_proxy_address}
diff --git a/classes/cluster/virtual-mcp05-ovs/openstack/init.yml b/classes/cluster/virtual-mcp05-ovs/openstack/init.yml
index a557f04..e948cfe 100644
--- a/classes/cluster/virtual-mcp05-ovs/openstack/init.yml
+++ b/classes/cluster/virtual-mcp05-ovs/openstack/init.yml
@@ -83,6 +83,7 @@
     mongodb_shared_key: eoTh1AwahlahqueingeejooLughah4tei9feing0eeVaephooDi2li1TaeV1ooth
   linux:
     network:
+      purge_hosts: true
       host:
         prx:
           address: ${_param:openstack_proxy_address}
diff --git a/classes/cluster/virtual-mcp10-contrail/openstack/init.yml b/classes/cluster/virtual-mcp10-contrail/openstack/init.yml
index d00d8e7..5e746a4 100755
--- a/classes/cluster/virtual-mcp10-contrail/openstack/init.yml
+++ b/classes/cluster/virtual-mcp10-contrail/openstack/init.yml
@@ -72,6 +72,7 @@
     ceilometer_influxdb_password: lmapass
   linux:
     network:
+      purge_hosts: true
       host:
         prx:
           address: ${_param:openstack_proxy_address}
diff --git a/classes/cluster/virtual-mcp10-dvr/openstack/init.yml b/classes/cluster/virtual-mcp10-dvr/openstack/init.yml
index f5683a3..4e7ca02 100644
--- a/classes/cluster/virtual-mcp10-dvr/openstack/init.yml
+++ b/classes/cluster/virtual-mcp10-dvr/openstack/init.yml
@@ -84,6 +84,7 @@
     mongodb_shared_key: eoTh1AwahlahqueingeejooLughah4tei9feing0eeVaephooDi2li1TaeV1ooth
   linux:
     network:
+      purge_hosts: true
       host:
         prx:
           address: ${_param:openstack_proxy_address}
diff --git a/classes/cluster/virtual-mcp10-ovs/openstack/init.yml b/classes/cluster/virtual-mcp10-ovs/openstack/init.yml
index b38bac6..75e6d36 100644
--- a/classes/cluster/virtual-mcp10-ovs/openstack/init.yml
+++ b/classes/cluster/virtual-mcp10-ovs/openstack/init.yml
@@ -84,6 +84,7 @@
     mongodb_shared_key: eoTh1AwahlahqueingeejooLughah4tei9feing0eeVaephooDi2li1TaeV1ooth
   linux:
     network:
+      purge_hosts: true
       host:
         prx:
           address: ${_param:openstack_proxy_address}
diff --git a/classes/cluster/virtual-mcp11-contrail-nfv/openstack/init.yml b/classes/cluster/virtual-mcp11-contrail-nfv/openstack/init.yml
index 28b0404..33345a4 100755
--- a/classes/cluster/virtual-mcp11-contrail-nfv/openstack/init.yml
+++ b/classes/cluster/virtual-mcp11-contrail-nfv/openstack/init.yml
@@ -111,6 +111,7 @@
     ceilometer_influxdb_password: lmapass
   linux:
     network:
+      purge_hosts: true
       host:
         prx:
           address: ${_param:openstack_proxy_address}
diff --git a/classes/cluster/virtual-mcp11-contrail/openstack/init.yml b/classes/cluster/virtual-mcp11-contrail/openstack/init.yml
index cb3d696..f673ab7 100755
--- a/classes/cluster/virtual-mcp11-contrail/openstack/init.yml
+++ b/classes/cluster/virtual-mcp11-contrail/openstack/init.yml
@@ -104,6 +104,7 @@
     ceilometer_influxdb_password: lmapass
   linux:
     network:
+      purge_hosts: true
       host:
         prx:
           address: ${_param:openstack_proxy_address}
diff --git a/classes/cluster/virtual-mcp11-dvr/openstack/init.yml b/classes/cluster/virtual-mcp11-dvr/openstack/init.yml
index 1d76d2d..3a73066 100644
--- a/classes/cluster/virtual-mcp11-dvr/openstack/init.yml
+++ b/classes/cluster/virtual-mcp11-dvr/openstack/init.yml
@@ -89,6 +89,7 @@
     ceilometer_influxdb_password: lmapass
   linux:
     network:
+      purge_hosts: true
       host:
         prx:
           address: ${_param:openstack_proxy_address}
diff --git a/classes/cluster/virtual-mcp11-k8s-calico-dyn/kubernetes/init.yml b/classes/cluster/virtual-mcp11-k8s-calico-dyn/kubernetes/init.yml
index 9d0cbe9..703d521 100644
--- a/classes/cluster/virtual-mcp11-k8s-calico-dyn/kubernetes/init.yml
+++ b/classes/cluster/virtual-mcp11-k8s-calico-dyn/kubernetes/init.yml
@@ -76,6 +76,7 @@
           - ndots:5
           - timeout:2
           - attempts:2
+      purge_hosts: true
       host:
         ctl:
           address: ${_param:kubernetes_control_address}
diff --git a/classes/cluster/virtual-mcp11-k8s-calico-minimal/kubernetes/init.yml b/classes/cluster/virtual-mcp11-k8s-calico-minimal/kubernetes/init.yml
index 21aaca3..a7cc262 100644
--- a/classes/cluster/virtual-mcp11-k8s-calico-minimal/kubernetes/init.yml
+++ b/classes/cluster/virtual-mcp11-k8s-calico-minimal/kubernetes/init.yml
@@ -72,6 +72,7 @@
           - ndots:5
           - timeout:2
           - attempts:2
+      purge_hosts: true
       host:
         ctl:
           address: ${_param:kubernetes_control_address}
diff --git a/classes/cluster/virtual-mcp11-k8s-calico/kubernetes/init.yml b/classes/cluster/virtual-mcp11-k8s-calico/kubernetes/init.yml
index 571f908..ed42764 100644
--- a/classes/cluster/virtual-mcp11-k8s-calico/kubernetes/init.yml
+++ b/classes/cluster/virtual-mcp11-k8s-calico/kubernetes/init.yml
@@ -76,6 +76,7 @@
           - ndots:5
           - timeout:2
           - attempts:2
+      purge_hosts: true
       host:
         ctl:
           address: ${_param:kubernetes_control_address}
diff --git a/classes/cluster/virtual-mcp11-k8s-contrail/kubernetes/init.yml b/classes/cluster/virtual-mcp11-k8s-contrail/kubernetes/init.yml
index e404760..51aeacd 100644
--- a/classes/cluster/virtual-mcp11-k8s-contrail/kubernetes/init.yml
+++ b/classes/cluster/virtual-mcp11-k8s-contrail/kubernetes/init.yml
@@ -75,6 +75,7 @@
 
   linux:
     network:
+      purge_hosts: true
       host:
         ctl:
           address: ${_param:kubernetes_control_address}
diff --git a/classes/cluster/virtual-mcp11-ovs-dpdk/openstack/init.yml b/classes/cluster/virtual-mcp11-ovs-dpdk/openstack/init.yml
index 5391d23..83d35b8 100644
--- a/classes/cluster/virtual-mcp11-ovs-dpdk/openstack/init.yml
+++ b/classes/cluster/virtual-mcp11-ovs-dpdk/openstack/init.yml
@@ -128,6 +128,7 @@
     mongodb_shared_key: eoTh1AwahlahqueingeejooLughah4tei9feing0eeVaephooDi2li1TaeV1ooth
   linux:
     network:
+      purge_hosts: true
       host:
         prx:
           address: ${_param:openstack_proxy_address}
diff --git a/classes/cluster/virtual-mcp11-ovs-ironic/openstack/init.yml b/classes/cluster/virtual-mcp11-ovs-ironic/openstack/init.yml
index 2cc6792..45b8a3c 100644
--- a/classes/cluster/virtual-mcp11-ovs-ironic/openstack/init.yml
+++ b/classes/cluster/virtual-mcp11-ovs-ironic/openstack/init.yml
@@ -93,6 +93,7 @@
     linux_system_repo: 'deb [arch=amd64] http://mirror.fuel-infra.org/mcp-repos/ocata/xenial ocata main'
   linux:
     network:
+      purge_hosts: true
       host:
         prx:
           address: ${_param:openstack_proxy_address}
diff --git a/classes/cluster/virtual-mcp11-ovs/openstack/init.yml b/classes/cluster/virtual-mcp11-ovs/openstack/init.yml
index 45fb5ca..bb1caaf 100644
--- a/classes/cluster/virtual-mcp11-ovs/openstack/init.yml
+++ b/classes/cluster/virtual-mcp11-ovs/openstack/init.yml
@@ -86,6 +86,7 @@
     mongodb_shared_key: eoTh1AwahlahqueingeejooLughah4tei9feing0eeVaephooDi2li1TaeV1ooth
   linux:
     network:
+      purge_hosts: true
       host:
         prx:
           address: ${_param:openstack_proxy_address}