diff --git a/manifests/controller.pp b/manifests/controller.pp
index b120ae7..06bab85 100644
--- a/manifests/controller.pp
+++ b/manifests/controller.pp
@@ -62,6 +62,20 @@
 #  If the value is nonzero, then it will be forced to a value of at least 5s.
 #  Defaults to 60
 #
+# [*ovn_chassis_mac_map*]
+#  (optional) A list or a hash of key-value pairs that map a chassis specific mac to
+#  a physical network name. An example value mapping two chassis macs to
+#  two physical network names would be:
+#  physnet1:aa:bb:cc:dd:ee:ff,physnet2:a1:b2:c3:d4:e5:f6 or
+#  {
+#    physnet1 => aa:bb:cc:dd:ee:ff,
+#    physnet2 => a1:b2:c3:d4:e5:f6
+#  }
+#  These are the macs that ovn-controller will replace a router port
+#  mac with, if packet is going from a distributed router port on
+#  vlan type logical switch.
+#  Defaults to empty list
+#
 class ovn::controller(
   $ovn_remote,
   $ovn_encap_ip,
@@ -76,6 +90,7 @@ class ovn::controller(
   $enable_dpdk                 = false,
   $ovn_remote_probe_interval   = 60000,
   $ovn_openflow_probe_interval = 60,
+  $ovn_chassis_mac_map         = [],
 ) {
 
   include ::ovn::params
@@ -120,6 +135,20 @@ class ovn::controller(
     'external_ids:ovn-openflow-probe-interval'  => { 'value' => "${ovn_openflow_probe_interval}" },
   }
 
+  if !empty($ovn_chassis_mac_map) {
+    if $ovn_chassis_mac_map =~ Hash {
+      $chassis_mac_map = {
+        'external_ids:ovn-chassis-mac-mappings' => { 'value' => join(join_keys_to_values($ovn_chassis_mac_map, ':'), ',') }
+      }
+    } else {
+      $chassis_mac_map = {
+        'external_ids:ovn-chassis-mac-mappings' => { 'value' => join(any2array($ovn_chassis_mac_map), ',') }
+      }
+    }
+  } else {
+    $chassis_mac_map = {}
+  }
+
   if !empty($ovn_bridge_mappings) {
     $bridge_items = {
       'external_ids:ovn-bridge-mappings' => { 'value' => join(any2array($ovn_bridge_mappings), ',') }
@@ -149,7 +178,7 @@ class ovn::controller(
     $datapath_config = {}
   }
 
-  create_resources('vs_config', merge($config_items, $bridge_items, $hw_offload, $datapath_config))
+  create_resources('vs_config', merge($config_items, $chassis_mac_map, $bridge_items, $hw_offload, $datapath_config))
   Service['openvswitch'] -> Vs_config<||> -> Service['controller']
 
   if !empty($ovn_bridge_mappings) {
diff --git a/releasenotes/notes/ovn_chassis_mac_map-8ea1fa442ca20522.yaml b/releasenotes/notes/ovn_chassis_mac_map-8ea1fa442ca20522.yaml
new file mode 100644
index 0000000..efaa502
--- /dev/null
+++ b/releasenotes/notes/ovn_chassis_mac_map-8ea1fa442ca20522.yaml
@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    The new ``ovn::controller::ovn_chassis_mac_map`` parameter has been added.
+    For distributed vlan in ovn we need to set mac addresses per compute in
+    external_ids:ovn-chassis-mac-mappings
diff --git a/spec/classes/ovn_controller_spec.rb b/spec/classes/ovn_controller_spec.rb
index bcaadf0..574b89d 100644
--- a/spec/classes/ovn_controller_spec.rb
+++ b/spec/classes/ovn_controller_spec.rb
@@ -14,6 +14,8 @@ describe 'ovn::controller' do
       :mac_table_size              => 20000,
       :ovn_remote_probe_interval   => 30000,
       :ovn_openflow_probe_interval => 8,
+      :ovn_chassis_mac_map         => ['physnet1:aa:bb:cc:dd:ee:ff',
+                                       'physnet2:bb:aa:cc:dd:ee:ff']
     }
   end
 
@@ -72,6 +74,10 @@ describe 'ovn::controller' do
       is_expected.to contain_vs_config('external_ids:ovn-openflow-probe-interval').with(
         :value   => params[:ovn_openflow_probe_interval],
       )
+
+      is_expected.to contain_vs_config('external_ids:ovn-chassis-mac-mappings').with(
+        :value    => 'physnet1:aa:bb:cc:dd:ee:ff,physnet2:bb:aa:cc:dd:ee:ff',
+      )
     end
 
     it 'configures bridge mappings' do
@@ -89,6 +95,22 @@ describe 'ovn::controller' do
         :require => 'Service[openvswitch]'
       )
     end
+
+    context 'when ovn_chassis_mac_map is a hash' do
+      before :each do
+        params.merge!({
+          :ovn_chassis_mac_map => {
+            'physnet1' => 'aa:bb:cc:dd:ee:ff',
+            'physnet2' => 'bb:aa:cc:dd:ee:ff' }
+        })
+      end
+
+      it 'configures ovsdb' do
+        is_expected.to contain_vs_config('external_ids:ovn-chassis-mac-mappings').with(
+          :value    => 'physnet1:aa:bb:cc:dd:ee:ff,physnet2:bb:aa:cc:dd:ee:ff',
+        )
+      end
+    end
   end
 
   on_supported_os({