diff --git a/ansible/roles/ovn/defaults/main.yml b/ansible/roles/ovn/defaults/main.yml
index 58c26bb6f8..e9cea8c66f 100644
--- a/ansible/roles/ovn/defaults/main.yml
+++ b/ansible/roles/ovn/defaults/main.yml
@@ -88,5 +88,7 @@ ovn_sb_db_extra_volumes: "{{ ovn_extra_volumes }}"
 #####
 # OVN
 #####
+# Base MAC for ovn-chassis-mac-mappings generation
+ovn_base_mac: "52:54:00"
 # Configure OVN remote probe interval time in ms
 ovn_remote_probe_interval: "60000"
diff --git a/ansible/roles/ovn/tasks/bootstrap.yml b/ansible/roles/ovn/tasks/bootstrap.yml
index 86e383cd51..68d57d796e 100644
--- a/ansible/roles/ovn/tasks/bootstrap.yml
+++ b/ansible/roles/ovn/tasks/bootstrap.yml
@@ -12,6 +12,7 @@
 - name: Configure OVN in OVSDB
   vars:
     ovn_mappings: "{% for bridge in neutron_bridge_name.split(',') %}physnet{{ loop.index0 + 1 }}:{{ bridge }}{% if not loop.last %},{% endif %}{% endfor %}"
+    ovn_macs: "{% for bridge in neutron_bridge_name.split(',') %}physnet{{ loop.index0 + 1 }}:{{ ovn_base_mac | random_mac(seed=inventory_hostname+bridge) }}{% if not loop.last %},{% endif %}{% endfor %}"
     ovn_cms_opts: "{{ 'enable-chassis-as-gw' if inventory_hostname in groups['ovn-controller-network'] else '' }}"
   become: true
   kolla_toolbox:
@@ -30,4 +31,5 @@
     - { name: ovn-remote, value: "{{ ovn_sb_connection }}" }
     - { name: ovn-remote-probe-interval, value: "{{ ovn_remote_probe_interval }}" }
     - { name: ovn-bridge-mappings, value: "{{ ovn_mappings }}", state: "{{ 'present' if (inventory_hostname in groups['ovn-controller-network'] or computes_need_external_bridge | bool) else 'absent' }}" }
+    - { name: ovn-chassis-mac-mappings, value: "{{ ovn_macs }}", state: "{{ 'present' if inventory_hostname in groups['ovn-controller-compute'] else 'absent' }}" }
     - { name: ovn-cms-options, value: "{{ ovn_cms_opts }}", state: "{{ 'present' if ovn_cms_opts != '' else 'absent' }}" }
diff --git a/releasenotes/notes/ovn_dvr_vlan-f36a6868cfd4776e.yaml b/releasenotes/notes/ovn_dvr_vlan-f36a6868cfd4776e.yaml
new file mode 100644
index 0000000000..8bc8e382c2
--- /dev/null
+++ b/releasenotes/notes/ovn_dvr_vlan-f36a6868cfd4776e.yaml
@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    OVN deployment will now configure ``external_ids:ovn-chassis-mac-mappings``
+    to make DVR work on VLAN tenant networks.