diff --git a/.fixtures.yml b/.fixtures.yml
index 6bb634ed..e02efc0a 100644
--- a/.fixtures.yml
+++ b/.fixtures.yml
@@ -84,5 +84,8 @@ fixtures:
     'boolean':
       repo: 'git://github.com/enovance/puppet-boolean.git'
       ref: '157011a4eaa27f1202a9d94335ee4876b26d377e'
+    'kmod':
+      repo: 'git://github.com/enovance/puppet-kmod.git'
+      ref: 'accc40093e6f8ee9cc472e9eb6ba3bab4bad3a1f'
   symlinks:
     'cloud': '#{source_dir}'
diff --git a/Puppetfile b/Puppetfile
index 25305441..51fac805 100644
--- a/Puppetfile
+++ b/Puppetfile
@@ -81,6 +81,9 @@ mod 'inifile',
 mod 'keepalived',
   :git => 'git://github.com/enovance/puppet-module-keepalived.git',
   :ref => 'eb345b6d3b25106cbe166028f2b8dd9974a10230'
+mod 'keepalived',
+  :git => 'git://github.com/enovance/puppet-kmod.git',
+  :ref => 'accc40093e6f8ee9cc472e9eb6ba3bab4bad3a1f'
 mod 'kwalify',
   :git => 'git://github.com/puppetlabs/puppetlabs-kwalify.git',
   :ref => 'e0079c6485d7cbfc846d956e650913e1b3ccfb6d'
diff --git a/manifests/network.pp b/manifests/network.pp
index 861e71f9..174bf757 100644
--- a/manifests/network.pp
+++ b/manifests/network.pp
@@ -81,9 +81,15 @@ class cloud::network(
   }
 
   if $::osfamily == 'RedHat' {
-    exec { '/sbin/modprobe ip_gre':
-      unless => '/bin/grep -q "^ip_gre " "/proc/modules"'
-    }
+    $gre_module_name = 'ip_gre'
+  } else {
+    $gre_module_name = 'gre'
+  }
+
+  kmod::generic {'install_gre':
+    type   => 'install',
+    module => $gre_module_name,
+    file   => '/etc/modprobe.d/neutron.conf'
   }
 
   class { 'neutron':
diff --git a/spec/classes/cloud_network_controller_spec.rb b/spec/classes/cloud_network_controller_spec.rb
index d4138dd3..714f9b98 100644
--- a/spec/classes/cloud_network_controller_spec.rb
+++ b/spec/classes/cloud_network_controller_spec.rb
@@ -78,6 +78,11 @@ describe 'cloud::network::controller' do
           :network_vlan_ranges    => ['physnet1:1000:2999'],
           :enable_security_group  => 'neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver'
       )
+      should contain_kmod__generic('install_gre').with(
+        :type   => 'install',
+        :module => platform_params[:gre_module_name],
+        :file   => '/etc/modprobe.d/neutron.conf'
+      )
     end
 
     it 'configure neutron server' do
@@ -109,6 +114,10 @@ describe 'cloud::network::controller' do
         :processorcount => '2' }
     end
 
+    let :platform_params do
+      { :gre_module_name => 'gre' }
+    end
+
     it_configures 'openstack network controller'
   end
 
@@ -118,6 +127,10 @@ describe 'cloud::network::controller' do
         :processorcount => '2' }
     end
 
+    let :platform_params do
+      { :gre_module_name => 'ip_gre' }
+    end
+
     it_configures 'openstack network controller'
   end
 
diff --git a/spec/classes/cloud_network_dhcp_spec.rb b/spec/classes/cloud_network_dhcp_spec.rb
index e04dc2bd..a640fe77 100644
--- a/spec/classes/cloud_network_dhcp_spec.rb
+++ b/spec/classes/cloud_network_dhcp_spec.rb
@@ -73,6 +73,11 @@ describe 'cloud::network::dhcp' do
           :network_vlan_ranges    => ['physnet1:1000:2999'],
           :enable_security_group  => 'neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver'
       )
+      should contain_kmod__generic('install_gre').with(
+        :type   => 'install',
+        :module => platform_params[:gre_module_name],
+        :file   => '/etc/modprobe.d/neutron.conf'
+      )
     end
 
     it 'configure neutron dhcp' do
@@ -97,6 +102,10 @@ describe 'cloud::network::dhcp' do
       { :osfamily => 'Debian' }
     end
 
+    let :platform_params do
+      { :gre_module_name => 'gre' }
+    end
+
     it_configures 'openstack network dhcp'
   end
 
@@ -105,6 +114,10 @@ describe 'cloud::network::dhcp' do
       { :osfamily => 'RedHat' }
     end
 
+    let :platform_params do
+      { :gre_module_name => 'ip_gre' }
+    end
+
     it_configures 'openstack network dhcp'
   end
 
diff --git a/spec/classes/cloud_network_l3_spec.rb b/spec/classes/cloud_network_l3_spec.rb
index 62539055..98510ebd 100644
--- a/spec/classes/cloud_network_l3_spec.rb
+++ b/spec/classes/cloud_network_l3_spec.rb
@@ -73,6 +73,11 @@ describe 'cloud::network::l3' do
           :network_vlan_ranges    => ['physnet1:1000:2999'],
           :enable_security_group  => 'neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver'
       )
+      should contain_kmod__generic('install_gre').with(
+        :type   => 'install',
+        :module => platform_params[:gre_module_name],
+        :file   => '/etc/modprobe.d/neutron.conf'
+      )
     end
 
     it 'configure neutron l3' do
@@ -93,6 +98,10 @@ describe 'cloud::network::l3' do
       { :osfamily => 'Debian' }
     end
 
+    let :platform_params do
+      { :gre_module_name => 'gre' }
+    end
+
     it_configures 'openstack network l3'
   end
 
@@ -101,6 +110,10 @@ describe 'cloud::network::l3' do
       { :osfamily => 'RedHat' }
     end
 
+    let :platform_params do
+      { :gre_module_name => 'ip_gre' }
+    end
+
     it_configures 'openstack network l3'
   end
 
diff --git a/spec/classes/cloud_network_lbaas_spec.rb b/spec/classes/cloud_network_lbaas_spec.rb
index b89a9def..96b0af96 100644
--- a/spec/classes/cloud_network_lbaas_spec.rb
+++ b/spec/classes/cloud_network_lbaas_spec.rb
@@ -73,6 +73,11 @@ describe 'cloud::network::lbaas' do
           :network_vlan_ranges    => ['physnet1:1000:2999'],
           :enable_security_group  => 'neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver'
       )
+      should contain_kmod__generic('install_gre').with(
+        :type   => 'install',
+        :module => platform_params[:gre_module_name],
+        :file   => '/etc/modprobe.d/neutron.conf'
+      )
     end
 
     it 'configure neutron lbaas' do
@@ -114,6 +119,10 @@ describe 'cloud::network::lbaas' do
       { :osfamily => 'Debian' }
     end
 
+    let :platform_params do
+      { :gre_module_name => 'gre' }
+    end
+
     it_configures 'openstack network lbaas'
   end
 
@@ -122,6 +131,10 @@ describe 'cloud::network::lbaas' do
       { :osfamily => 'RedHat' }
     end
 
+    let :platform_params do
+      { :gre_module_name => 'ip_gre' }
+    end
+
     it_configures 'openstack network lbaas'
   end
 
diff --git a/spec/classes/cloud_network_metadata_spec.rb b/spec/classes/cloud_network_metadata_spec.rb
index 4a0b68ed..f1fe7124 100644
--- a/spec/classes/cloud_network_metadata_spec.rb
+++ b/spec/classes/cloud_network_metadata_spec.rb
@@ -80,6 +80,11 @@ describe 'cloud::network::metadata' do
           :network_vlan_ranges    => ['physnet1:1000:2999'],
           :enable_security_group  => 'neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver'
       )
+      should contain_kmod__generic('install_gre').with(
+        :type   => 'install',
+        :module => platform_params[:gre_module_name],
+        :file   => '/etc/modprobe.d/neutron.conf'
+      )
     end
 
     it 'configure neutron metadata' do
@@ -100,6 +105,10 @@ describe 'cloud::network::metadata' do
       { :osfamily => 'Debian' }
     end
 
+    let :platform_params do
+      { :gre_module_name => 'gre' }
+    end
+
     it_configures 'openstack network metadata'
   end
 
@@ -108,6 +117,10 @@ describe 'cloud::network::metadata' do
       { :osfamily => 'RedHat' }
     end
 
+    let :platform_params do
+      { :gre_module_name => 'ip_gre' }
+    end
+
     it_configures 'openstack network metadata'
   end
 
diff --git a/spec/classes/cloud_network_vpn_spec.rb b/spec/classes/cloud_network_vpn_spec.rb
index 72c66186..5c013d62 100644
--- a/spec/classes/cloud_network_vpn_spec.rb
+++ b/spec/classes/cloud_network_vpn_spec.rb
@@ -68,6 +68,11 @@ describe 'cloud::network::vpn' do
           :network_vlan_ranges    => ['physnet1:1000:2999'],
           :enable_security_group  => 'neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver'
       )
+      should contain_kmod__generic('install_gre').with(
+        :type   => 'install',
+        :module => platform_params[:gre_module_name],
+        :file   => '/etc/modprobe.d/neutron.conf'
+      )
     end
 
     it 'configure neutron vpnaas' do
@@ -80,6 +85,10 @@ describe 'cloud::network::vpn' do
       { :osfamily => 'Debian' }
     end
 
+    let :platform_params do
+      { :gre_module_name => 'gre' }
+    end
+
     it_configures 'openstack network vpnaas'
   end
 
@@ -88,6 +97,10 @@ describe 'cloud::network::vpn' do
       { :osfamily => 'RedHat' }
     end
 
+    let :platform_params do
+      { :gre_module_name => 'ip_gre' }
+    end
+
     it_configures 'openstack network vpnaas'
   end