diff --git a/manifests/compute/neutron.pp b/manifests/compute/neutron.pp
index 59623b00a..91ee91cfc 100644
--- a/manifests/compute/neutron.pp
+++ b/manifests/compute/neutron.pp
@@ -10,9 +10,14 @@
 #   (optional) The libvirt VIF driver to configure the VIFs.
 #   Defaults to 'nova.virt.libvirt.vif.LibvirtGenericVIFDriver'.
 #
-
+# [*force_snat_range*]
+#  (optional) Force SNAT rule to specified network for nova-network
+#  Default to 0.0.0.0/0
+#  Due to architecture constraints in nova_config, it's not possible to setup
+#  more than one SNAT rule though initial parameter is MultiStrOpt
 class nova::compute::neutron (
-  $libvirt_vif_driver = 'nova.virt.libvirt.vif.LibvirtGenericVIFDriver'
+  $libvirt_vif_driver = 'nova.virt.libvirt.vif.LibvirtGenericVIFDriver',
+  $force_snat_range   = '0.0.0.0/0',
 ) {
 
   if $libvirt_vif_driver == 'nova.virt.libvirt.vif.LibvirtOpenVswitchDriver' {
@@ -22,4 +27,21 @@ class nova::compute::neutron (
   nova_config {
     'libvirt/vif_driver': value => $libvirt_vif_driver;
   }
+
+  if $libvirt_vif_driver == 'nova.virt.libvirt.vif.LibvirtGenericVIFDriver' and $force_snat_range {
+    # Validate ip and mask for force_snat_range
+    $force_snat_range_array = split($force_snat_range, '/')
+    if is_ip_address($force_snat_range_array[0]) and is_integer($force_snat_range_array[1])  {
+      nova_config {
+        'DEFAULT/force_snat_range': value => $force_snat_range;
+      }
+    } else {
+      fail('force_snat_range should be IPv4 or IPv6 CIDR notation')
+    }
+  } else {
+    nova_config {
+      'DEFAULT/force_snat_range': ensure => absent;
+    }
+  }
+
 }
diff --git a/spec/classes/nova_compute_neutron_spec.rb b/spec/classes/nova_compute_neutron_spec.rb
index b67c9fc4b..030968fa8 100644
--- a/spec/classes/nova_compute_neutron_spec.rb
+++ b/spec/classes/nova_compute_neutron_spec.rb
@@ -1,13 +1,17 @@
 require 'spec_helper'
 describe 'nova::compute::neutron' do
 
-  it { should contain_nova_config('libvirt/vif_driver').with_value('nova.virt.libvirt.vif.LibvirtGenericVIFDriver')}
+  context 'with default parameters' do
+    it { should contain_nova_config('libvirt/vif_driver').with_value('nova.virt.libvirt.vif.LibvirtGenericVIFDriver')}
+    it { should contain_nova_config('DEFAULT/force_snat_range').with(:value => '0.0.0.0/0') }
+  end
 
   context 'when overriding params' do
     let :params do
       {:libvirt_vif_driver => 'foo' }
     end
     it { should contain_nova_config('libvirt/vif_driver').with_value('foo')}
+    it { should contain_nova_config('DEFAULT/force_snat_range').with_ensure(:absent) }
   end
 
   context 'when overriding with a removed libvirt_vif_driver param' do
@@ -19,4 +23,36 @@ describe 'nova::compute::neutron' do
     end
   end
 
+  context 'with force_snat_range parameter set to false' do
+    let :params do
+      { :force_snat_range => false, }
+    end
+    it { should contain_nova_config('DEFAULT/force_snat_range').with_ensure('absent') }
+  end
+
+  context 'with force_snat_range parameter set to 10.0.0.0/24' do
+    let :params do
+      { :force_snat_range => '10.0.0.0/24', }
+    end
+
+    it { should contain_nova_config('DEFAULT/force_snat_range').with_value('10.0.0.0/24') }
+  end
+
+  context 'with force_snat_range parameter set to fe80::/64' do
+    let :params do
+      { :force_snat_range => 'fe80::/64', }
+    end
+
+    it { should contain_nova_config('DEFAULT/force_snat_range').with_value('fe80::/64') }
+  end
+
+  context 'with force_snat_range parameter set ip without mask' do
+    let :params do
+      { :force_snat_range => '10.0.0.0', }
+    end
+
+    it { expect { should contain_nova_config('DEFAULT/force_snat_range') }.to \
+      raise_error(Puppet::Error, /force_snat_range should be IPv4 or IPv6/) }
+  end
+
 end