diff --git a/core/confdb/syntax/virtualrouter/interfaces/base.py b/core/confdb/syntax/virtualrouter/interfaces/base.py
index 7ef55819b5aa3c9bd742395e85009c558818035c..af9122900c7acbb2e3f53c1f8906886cd605ae72 100644
--- a/core/confdb/syntax/virtualrouter/interfaces/base.py
+++ b/core/confdb/syntax/virtualrouter/interfaces/base.py
@@ -66,6 +66,18 @@ VR_INTERFACES_SYNTAX = DEF(
                                 ),
                                 DEF("iso", gen="make_unit_iso"),
                                 DEF("mpls", gen="make_unit_mpls"),
+                                DEF(
+                                    "vlan_ids",
+                                    [
+                                        DEF(
+                                            ANY,
+                                            required=True,
+                                            multi=True,
+                                            name="vlan_id",
+                                            gen="make_unit_vlan_id",
+                                        )
+                                    ],
+                                ),
                                 DEF(
                                     "bridge",
                                     [