diff --git a/napalm_openwrt/openwrt.py b/napalm_openwrt/openwrt.py
index 2079aa6..77fab83 100644
--- a/napalm_openwrt/openwrt.py
+++ b/napalm_openwrt/openwrt.py
@@ -493,6 +493,35 @@ class OpenWrtDriver(AccessPointDriver):
             )
         return neighbors
 
+    def _lldpd_fix_interface(self) -> None:
+        """Ensure lldpd UCI config uses the actual management interface.
+
+        Detects the interface carrying the default route (e.g. br-lan.10 on a
+        VLAN trunk) and replaces any stale/wrong interface entry in the lldpd
+        UCI config.  Idempotent — only writes if the config needs updating.
+        """
+        mgmt_iface = self._send_command(
+            "ip route show default 2>/dev/null | head -1 | grep -oE 'dev [^ ]+' | awk '{print $2}'"
+        ).strip()
+        if not mgmt_iface:
+            mgmt_iface = "br-lan"
+        # LLDP is a L2 protocol — it must run on the bridge, not a VLAN subinterface.
+        # Strip .VID suffix so br-ap.10 → br-ap.
+        if "." in mgmt_iface:
+            mgmt_iface = mgmt_iface.rsplit(".", 1)[0]
+
+        current = self._send_command("uci get lldpd.config.interface 2>/dev/null").strip()
+        if mgmt_iface in current:
+            return  # already correct
+
+        # Reset the interface list to just the management interface
+        self._send_command(
+            "uci delete lldpd.config.interface 2>/dev/null; "
+            f"uci add_list lldpd.config.interface='{mgmt_iface}' 2>/dev/null; "
+            "uci commit lldpd 2>/dev/null; "
+            "/etc/init.d/lldpd restart 2>/dev/null"
+        )
+
     def _get_lldp_table(self) -> List[Dict]:
         """Parse ``lldpctl -f keyvalue`` into a list of row dicts.
 
@@ -500,11 +529,12 @@ class OpenWrtDriver(AccessPointDriver):
         not already running the daemon needs time to discover neighbors so
         the first call after a fresh install will return an empty list.
         """
-        # Enable + start lldpd if not already running (idempotent / silent)
+        # Ensure lldpd is running on the correct management interface
         self._send_command(
             "pgrep lldpd >/dev/null 2>&1 || "
             "(/etc/init.d/lldpd enable 2>/dev/null; /etc/init.d/lldpd start 2>/dev/null)"
         )
+        self._lldpd_fix_interface()
         output = self._send_command("lldpctl -f keyvalue")
         rows: List[Dict] = []
 
@@ -1949,13 +1979,8 @@ class OpenWrtDriver(AccessPointDriver):
             raw = self._send_command("opkg install lldpd 2>&1")
         out = self._clean_pkg_output(raw)
 
-        # Add eth0 to lldpd UCI interface list (idempotent)
-        current_ifaces = self._send_command("uci get lldpd.config.interface 2>/dev/null").strip()
-        if "eth0" not in current_ifaces:
-            self._send_command(
-                "uci add_list lldpd.config.interface='eth0' 2>/dev/null; "
-                "uci commit lldpd 2>/dev/null"
-            )
+        # Configure the correct management interface and enable the service
+        self._lldpd_fix_interface()
 
         # Enable and start the service
         self._send_command(