Index: sys/dev/ixgbe/if_ix.c
===================================================================
--- sys/dev/ixgbe/if_ix.c
+++ sys/dev/ixgbe/if_ix.c
@@ -1315,9 +1315,11 @@
 	}
 
 	if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU ||
-	    layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA)
+	    layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) {
 		ifmedia_add(sc->media, IFM_ETHER | IFM_10G_TWINAX, 0,
 		    NULL);
+		ifmedia_add(sc->media, IFM_ETHER | IFM_1000_KX, 0, NULL);
+	}
 
 	if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) {
 		ifmedia_add(sc->media, IFM_ETHER | IFM_10G_LR, 0, NULL);
Index: sys/dev/ixgbe/ixgbe_82599.c
===================================================================
--- sys/dev/ixgbe/ixgbe_82599.c
+++ sys/dev/ixgbe/ixgbe_82599.c
@@ -441,6 +441,17 @@
 		goto out;
 	}
 
+	if (hw->phy.sfp_type == ixgbe_sfp_type_da_cu_core0 ||
+	    hw->phy.sfp_type == ixgbe_sfp_type_da_cu_core1) {
+		*speed = IXGBE_LINK_SPEED_10GB_FULL;
+		*autoneg = true;
+
+		if (hw->phy.multispeed_fiber)
+			*speed |= IXGBE_LINK_SPEED_1GB_FULL;
+
+		goto out;
+	}
+
 	/*
 	 * Determine link capabilities based on the stored value of AUTOC,
 	 * which represents EEPROM defaults.  If AUTOC value has not
Index: sys/dev/ixgbe/ixgbe_phy.c
===================================================================
--- sys/dev/ixgbe/ixgbe_phy.c
+++ sys/dev/ixgbe/ixgbe_phy.c
@@ -1436,7 +1436,8 @@
 		if (((comp_codes_1g & IXGBE_SFF_1GBASESX_CAPABLE) &&
 		   (comp_codes_10g & IXGBE_SFF_10GBASESR_CAPABLE)) ||
 		   ((comp_codes_1g & IXGBE_SFF_1GBASELX_CAPABLE) &&
-		   (comp_codes_10g & IXGBE_SFF_10GBASELR_CAPABLE)))
+		   (comp_codes_10g & IXGBE_SFF_10GBASELR_CAPABLE)) ||
+		   (cable_tech & IXGBE_SFF_DA_PASSIVE_CABLE))
 			hw->phy.multispeed_fiber = true;
 
 		/* Determine PHY vendor */