diff --git a/manifests/agents/n1kv_vem.pp b/manifests/agents/n1kv_vem.pp
index cad0eaaa5..b62df0b9a 100644
--- a/manifests/agents/n1kv_vem.pp
+++ b/manifests/agents/n1kv_vem.pp
@@ -91,6 +91,14 @@
 #   (optional) Whether to start/stop the service
 #   Defaults to true
 #
+# [*portdb*]
+#   (optional) PortDB (ovs|vem)
+#   Defaults to ovs
+#
+# [*fastpath_flood*]
+#   (optional) Handle broadcast floods and unknown pkts in fastpath(KLM)
+#   Defaults to disable
+#
 class neutron::agents::n1kv_vem (
   $n1kv_vsm_ip          = '127.0.0.1',
   $n1kv_vsm_domain_id   = 1000,
@@ -103,10 +111,13 @@ class neutron::agents::n1kv_vem (
   $n1kv_version         = 'present',
   $package_ensure       = 'present',
   $enable               = true,
-  $manage_service       = true
+  $manage_service       = true,
+  $portdb               = 'ovs',
+  $fastpath_flood       = 'disable'
 ) {
 
   include ::neutron::params
+  require vswitch::ovs
 
   Exec { path => [ '/bin/', '/sbin/' , '/usr/bin/', '/usr/sbin/' ] }
 
@@ -134,11 +145,6 @@ class neutron::agents::n1kv_vem (
     name   => $::neutron::params::libnl_package
   }
 
-  package { 'openvswitch':
-    ensure => $package_ensure,
-    name   => $::neutron::params::ovs_package
-  }
-
   file {
     '/etc/n1kv':
       ensure => directory,
@@ -229,7 +235,7 @@ class neutron::agents::n1kv_vem (
   }
 
   Package['libnl']            -> Package['nexus1000v']
-  Package['openvswitch']      -> Package['nexus1000v']
+  Service['openvswitch']      ~> Package['nexus1000v']
   File['/etc/n1kv/n1kv.conf'] -> Package['nexus1000v']
   Package['nexus1000v']       ~> Service['nexus1000v']
 }
diff --git a/spec/classes/neutron_agents_n1kv_vem_spec.rb b/spec/classes/neutron_agents_n1kv_vem_spec.rb
index 9b7a4b1b5..4eeee17e6 100644
--- a/spec/classes/neutron_agents_n1kv_vem_spec.rb
+++ b/spec/classes/neutron_agents_n1kv_vem_spec.rb
@@ -17,7 +17,7 @@ describe 'neutron::agents::n1kv_vem' do
 
   it 'install n1kv-vem' do
     should contain_package('libnl').with_before('Package[nexus1000v]')
-    should contain_package('openvswitch').with_before('Package[nexus1000v]')
+    should contain_service('openvswitch').with_notify('Package[nexus1000v]')
     should contain_package('nexus1000v').with_notify('Service[nexus1000v]')
     should contain_service('nexus1000v').with_ensure('running')
   end
@@ -66,7 +66,9 @@ describe 'neutron::agents::n1kv_vem' do
     {
       :n1kv_vsm_ip        => '9.0.0.1',
       :n1kv_vsm_domain_id => 900,
-      :host_mgmt_intf     => 'eth9'
+      :host_mgmt_intf     => 'eth9',
+      :portdb             => 'ovs',
+      :fastpath_flood     => 'disable'
     }
     end
     it do
@@ -76,12 +78,16 @@ describe 'neutron::agents::n1kv_vem' do
         .with_content(/^switch-domain 900/)
       should contain_file('/etc/n1kv/n1kv.conf') \
         .with_content(/^host-mgmt-intf eth9/)
+      should contain_file('/etc/n1kv/n1kv.conf') \
+        .with_content(/^portdb ovs/)
       should contain_file('/etc/n1kv/n1kv.conf') \
         .without_content(/^phys/)
       should contain_file('/etc/n1kv/n1kv.conf') \
         .without_content(/^virt/)
       should contain_file('/etc/n1kv/n1kv.conf') \
         .with_content(/^node-type compute/)
+      should contain_file('/etc/n1kv/n1kv.conf') \
+        .with_content(/^fastpath-flood disable/)
     end
   end
 
@@ -99,6 +105,34 @@ describe 'neutron::agents::n1kv_vem' do
     end
   end
 
+  context 'verify portdb' do
+    let :params do
+    {
+      :portdb             => 'vem',
+    }
+    end
+    it do
+      should contain_file('/etc/n1kv/n1kv.conf') \
+        .with_content(/^portdb vem/)
+      should contain_file('/etc/n1kv/n1kv.conf') \
+        .without_content(/^portdb ovs/)
+    end
+  end
+
+  context 'verify fastpath_flood' do
+    let :params do
+    {
+      :fastpath_flood     => 'enable',
+    }
+    end
+    it do
+      should contain_file('/etc/n1kv/n1kv.conf') \
+        .with_content(/^fastpath-flood enable/)
+      should contain_file('/etc/n1kv/n1kv.conf') \
+        .without_content(/^fastpath-flood disable/)
+    end
+  end
+
   context 'verify n1kv.conf with uplinks' do
     let :params do
     {
diff --git a/templates/n1kv.conf.erb b/templates/n1kv.conf.erb
index 8edb3e2d3..dd9409432 100644
--- a/templates/n1kv.conf.erb
+++ b/templates/n1kv.conf.erb
@@ -81,6 +81,15 @@ virt <%= port%> profile <%= params['profile']%> mode static address <%= params['
 # uvem-ovs-brname n1kvdvs
 uvem-ovs-brname br-int
 
+# TAG: portdb
+# Description: PortDB (ovs|vem)
+# Optional: YES.
+# Default: ovs
+# restart_on_modify: Yes
+# Format:
+# portdb vem
+portdb <%= @portdb %>
+
 # TAG: node-type
 # Description: Type of Node: 'compute' (or) 'neutron'
 # Optional: YES.
@@ -150,3 +159,11 @@ node-type <%= @node_type %>
 # restart_on_modify: Yes
 # Format: dp-thread-socket-rrnglen <0..16384>
 # Note: 0 - disables memory map I/O
+
+# TAG: fastpath-flood
+# Description: Enable flood of broadcast and unknown pkts in KLM
+# Optional: YES
+# Default: disable
+# restart_on_modify: Yes
+# Format: fastpath-flood <enable|disable>
+fastpath-flood <%= @fastpath_flood %>