diff --git a/manifests/agents/ml2/ovs.pp b/manifests/agents/ml2/ovs.pp
index 42f605922..fb15b52ab 100644
--- a/manifests/agents/ml2/ovs.pp
+++ b/manifests/agents/ml2/ovs.pp
@@ -208,6 +208,11 @@
 #   the resource provider.
 #   Defaults to $::os_service_default
 #
+# [*resource_provider_inventory_defaults*]
+#   (optional) Key:value pairs to specify defaults used while reporting packet
+#   rate inventories,.
+#   Defauls to empty hash
+#
 # [*explicitly_egress_direct*]
 #  (optional) When set to True, the accepted egress unicast traffic will not
 #  use action NORMAL. The accepted egress packets will be taken care of in the
@@ -271,6 +276,7 @@ class neutron::agents::ml2::ovs (
   $resource_provider_bandwidths         = [],
   $resource_provider_hypervisors        = [],
   $resource_provider_default_hypervisor = $::os_service_default,
+  $resource_provider_inventory_defaults = {},
   $explicitly_egress_direct             = $::os_service_default,
   $network_log_rate_limit               = $::os_service_default,
   $network_log_burst_limit              = $::os_service_default,
@@ -374,10 +380,21 @@ class neutron::agents::ml2::ovs (
     $resource_provider_hypervisors_real = $::os_service_default
   }
 
+  if empty($resource_provider_inventory_defaults) {
+    $resource_provider_inventory_defaults_real = $::os_service_default
+  } else {
+    if ($resource_provider_inventory_defaults =~ Hash){
+      $resource_provider_inventory_defaults_real = join(join_keys_to_values($resource_provider_inventory_defaults, ':'), ',')
+    } else {
+      $resource_provider_inventory_defaults_real = join(any2array($resource_provider_inventory_defaults), ',')
+    }
+  }
+
   neutron_agent_ovs {
     'ovs/resource_provider_bandwidths':         value => $resource_provider_bandwidths_real;
     'ovs/resource_provider_hypervisors':        value => $resource_provider_hypervisors_real;
     'ovs/resource_provider_default_hypervisor': value => $resource_provider_default_hypervisor;
+    'ovs/resource_provider_inventory_defaults': value => $resource_provider_inventory_defaults_real;
   }
 
   neutron_agent_ovs {
diff --git a/manifests/agents/ml2/sriov.pp b/manifests/agents/ml2/sriov.pp
index 362886f08..b51739c23 100644
--- a/manifests/agents/ml2/sriov.pp
+++ b/manifests/agents/ml2/sriov.pp
@@ -92,6 +92,11 @@
 #   the resource provider.
 #   Defaults to $::os_service_default
 #
+# [*resource_provider_inventory_defaults*]
+#   (optional) Key:value pairs to specify defaults used while reporting packet
+#   rate inventories,.
+#   Defauls to empty hash
+#
 class neutron::agents::ml2::sriov (
   $package_ensure                       = 'present',
   $enabled                              = true,
@@ -107,6 +112,7 @@ class neutron::agents::ml2::sriov (
   $resource_provider_bandwidths         = [],
   $resource_provider_hypervisors        = [],
   $resource_provider_default_hypervisor = $::os_service_default,
+  $resource_provider_inventory_defaults = {},
 ) {
 
   include neutron::deps
@@ -165,10 +171,21 @@ class neutron::agents::ml2::sriov (
     $resource_provider_hypervisors_real = $::os_service_default
   }
 
+  if empty($resource_provider_inventory_defaults) {
+    $resource_provider_inventory_defaults_real = $::os_service_default
+  } else {
+    if ($resource_provider_inventory_defaults =~ Hash){
+      $resource_provider_inventory_defaults_real = join(join_keys_to_values($resource_provider_inventory_defaults, ':'), ',')
+    } else {
+      $resource_provider_inventory_defaults_real = join(any2array($resource_provider_inventory_defaults), ',')
+    }
+  }
+
   neutron_sriov_agent_config {
     'sriov_nic/resource_provider_bandwidths':         value => $resource_provider_bandwidths_real;
     'sriov_nic/resource_provider_hypervisors':        value => $resource_provider_hypervisors_real;
     'sriov_nic/resource_provider_default_hypervisor': value => $resource_provider_default_hypervisor;
+    'sriov_nic/resource_provider_inventory_defaults': value => $resource_provider_inventory_defaults_real;
   }
 
 }
diff --git a/releasenotes/notes/resource_provider_inventory_defaults-ede148387da9d8b6.yaml b/releasenotes/notes/resource_provider_inventory_defaults-ede148387da9d8b6.yaml
new file mode 100644
index 000000000..4526bb25c
--- /dev/null
+++ b/releasenotes/notes/resource_provider_inventory_defaults-ede148387da9d8b6.yaml
@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    The new ``resource_provider_inventory_defaults`` parameter has been added
+    to the ``neutron::agent::ml2::ovs`` class and
+    the ``neutron::agent::ml2::sriov`` class.
diff --git a/spec/classes/neutron_agents_ml2_ovs_spec.rb b/spec/classes/neutron_agents_ml2_ovs_spec.rb
index 321987026..36d02fc3e 100644
--- a/spec/classes/neutron_agents_ml2_ovs_spec.rb
+++ b/spec/classes/neutron_agents_ml2_ovs_spec.rb
@@ -74,6 +74,8 @@ describe 'neutron::agents::ml2::ovs' do
         with_value('<SERVICE DEFAULT>')
       should contain_neutron_agent_ovs('ovs/resource_provider_default_hypervisor').\
         with_value('<SERVICE DEFAULT>')
+      should contain_neutron_agent_ovs('ovs/resource_provider_inventory_defaults').\
+        with_value('<SERVICE DEFAULT>')
       should contain_neutron_agent_ovs('agent/explicitly_egress_direct').with_value('<SERVICE DEFAULT>')
       should contain_neutron_agent_ovs('network_log/rate_limit').with_value('<SERVICE DEFAULT>')
       should contain_neutron_agent_ovs('network_log/burst_limit').with_value('<SERVICE DEFAULT>')
@@ -338,6 +340,7 @@ describe 'neutron::agents::ml2::ovs' do
           :resource_provider_bandwidths         => ['provider-a', 'provider-b'],
           :resource_provider_hypervisors        => ['provider-a:compute-a', 'provider-b:compute-b'],
           :resource_provider_default_hypervisor => 'compute-c',
+          :resource_provider_inventory_defaults => ['allocation_ratio:1.0', 'min_unit:1', 'step_size:1'],
         )
       end
 
@@ -348,9 +351,27 @@ describe 'neutron::agents::ml2::ovs' do
           with_value('provider-a:compute-a,provider-b:compute-b')
         should contain_neutron_agent_ovs('ovs/resource_provider_default_hypervisor').\
           with_value('compute-c')
+        should contain_neutron_agent_ovs('ovs/resource_provider_inventory_defaults').\
+          with_value('allocation_ratio:1.0,min_unit:1,step_size:1')
       end
     end
 
+    context 'when parameters for resource providers are set by hash' do
+      before :each do
+        params.merge!(
+          :resource_provider_inventory_defaults => {
+            'allocation_ratio' => '1.0',
+            'min_unit'         => '1',
+            'step_size'        => '1'
+          },
+        )
+      end
+
+      it 'configures resource providers' do
+        should contain_neutron_agent_ovs('ovs/resource_provider_inventory_defaults').\
+          with_value('allocation_ratio:1.0,min_unit:1,step_size:1')
+      end
+    end
   end
 
   shared_examples 'neutron::agents::ml2::ovs on Debian' do
diff --git a/spec/classes/neutron_agents_ml2_sriov_spec.rb b/spec/classes/neutron_agents_ml2_sriov_spec.rb
index 043d4ac5b..a24f72de3 100644
--- a/spec/classes/neutron_agents_ml2_sriov_spec.rb
+++ b/spec/classes/neutron_agents_ml2_sriov_spec.rb
@@ -75,6 +75,8 @@ describe 'neutron::agents::ml2::sriov' do
         with_value('<SERVICE DEFAULT>')
       should contain_neutron_sriov_agent_config('sriov_nic/resource_provider_default_hypervisor').\
         with_value('<SERVICE DEFAULT>')
+      should contain_neutron_sriov_agent_config('sriov_nic/resource_provider_inventory_defaults').\
+        with_value('<SERVICE DEFAULT>')
     end
 
     context 'when number_of_vfs is empty' do
@@ -146,7 +148,8 @@ describe 'neutron::agents::ml2::sriov' do
         params.merge!(
           :resource_provider_bandwidths         => ['provider-a', 'provider-b'],
           :resource_provider_hypervisors        => ['provider-a:compute-a', 'provider-b:compute-b'],
-          :resource_provider_default_hypervisor => 'compute-c'
+          :resource_provider_default_hypervisor => 'compute-c',
+          :resource_provider_inventory_defaults => ['allocation_ratio:1.0', 'min_unit:1', 'step_size:1'],
         )
       end
 
@@ -157,6 +160,25 @@ describe 'neutron::agents::ml2::sriov' do
           with_value('provider-a:compute-a,provider-b:compute-b')
         should contain_neutron_sriov_agent_config('sriov_nic/resource_provider_default_hypervisor').\
           with_value('compute-c')
+        should contain_neutron_sriov_agent_config('sriov_nic/resource_provider_inventory_defaults').\
+          with_value('allocation_ratio:1.0,min_unit:1,step_size:1')
+      end
+    end
+
+    context 'when parameters for resource providers are set by hash' do
+      before :each do
+        params.merge!(
+          :resource_provider_inventory_defaults => {
+            'allocation_ratio' => '1.0',
+            'min_unit'         => '1',
+            'step_size'        => '1'
+          },
+        )
+      end
+
+      it 'configures resource providers' do
+        should contain_neutron_sriov_agent_config('sriov_nic/resource_provider_inventory_defaults').\
+          with_value('allocation_ratio:1.0,min_unit:1,step_size:1')
       end
     end
   end