diff --git a/src/libsystemd-network/test-lldp.c b/src/libsystemd-network/test-lldp.c
index cb4545d901..b6c896f0a1 100644
--- a/src/libsystemd-network/test-lldp.c
+++ b/src/libsystemd-network/test-lldp.c
@@ -192,6 +192,8 @@ static void test_receive_oui_packet(sd_event *e) {
                 0x01, 0x02,
                 0xfe, 0x09, 0x00, 0x80, 0xc2, 0x07,     /* Link aggregation: status 1, ID 0x00140012 */
                 0x01, 0x00, 0x14, 0x00, 0x12,
+                0xfe, 0x07, 0x00, 0x12, 0x0f, 0x02,     /* 802.3 Power via MDI: PSE, MDI enabled */
+                0x07, 0x01, 0x00,
                 0x00, 0x00                              /* End of LLDPDU */
         };
 
@@ -220,6 +222,8 @@ static void test_receive_oui_packet(sd_event *e) {
         assert_se(sd_lldp_neighbor_tlv_next(neighbors[0]) > 0);
         assert_se(sd_lldp_neighbor_tlv_is_oui(neighbors[0], SD_LLDP_OUI_802_1, SD_LLDP_OUI_802_1_SUBTYPE_LINK_AGGREGATION) > 0);
         assert_se(sd_lldp_neighbor_tlv_next(neighbors[0]) > 0);
+        assert_se(sd_lldp_neighbor_tlv_is_oui(neighbors[0], SD_LLDP_OUI_802_3, SD_LLDP_OUI_802_3_SUBTYPE_POWER_VIA_MDI) > 0);
+        assert_se(sd_lldp_neighbor_tlv_next(neighbors[0]) > 0);
         assert_se(sd_lldp_neighbor_tlv_is_type(neighbors[0], SD_LLDP_TYPE_END) > 0);
         assert_se(sd_lldp_neighbor_tlv_next(neighbors[0]) == 0);
 
diff --git a/src/systemd/sd-lldp.h b/src/systemd/sd-lldp.h
index 820390afeb..13ee2d2750 100644
--- a/src/systemd/sd-lldp.h
+++ b/src/systemd/sd-lldp.h
@@ -107,6 +107,14 @@ enum {
         SD_LLDP_OUI_802_1_SUBTYPE_LINK_AGGREGATION      = 7,
 };
 
+/* IEEE 802.1AB-2009 Annex F */
+enum {
+        SD_LLDP_OUI_802_3_SUBTYPE_MAC_PHY_CONFIG_STATUS = 1,
+        SD_LLDP_OUI_802_3_SUBTYPE_POWER_VIA_MDI         = 2,
+        SD_LLDP_OUI_802_3_SUBTYPE_LINK_AGGREGATION      = 3,
+        SD_LLDP_OUI_802_3_SUBTYPE_MAXIMUM_FRAME_SIZE    = 4,
+};
+
 typedef struct sd_lldp sd_lldp;
 typedef struct sd_lldp_neighbor sd_lldp_neighbor;