diff -Naur ixgbe-5.13.4/src/ixgbe_phy.c ixgbe-5.13.4-Free-ONUv1/src/ixgbe_phy.c
--- ixgbe-5.13.4/src/ixgbe_phy.c	2021-09-07 09:07:07.000000000 +0000
+++ ixgbe-5.13.4-Free-ONUv1/src/ixgbe_phy.c	2022-02-25 20:54:03.176521699 +0000
@@ -1374,6 +1374,7 @@
 				if (hw->bus.lan_id == 0)
 					hw->phy.sfp_type =
 						ixgbe_sfp_type_1g_cu_core0;
+
 				else
 					hw->phy.sfp_type =
 						ixgbe_sfp_type_1g_cu_core1;
@@ -1391,6 +1392,16 @@
 				else
 					hw->phy.sfp_type =
 						ixgbe_sfp_type_1g_lx_core1;
+			} else if (comp_codes_1g == 0 && comp_codes_10g == 0 && cable_tech == 0) {
+			  /* This is just a simple workaround for Free. 
+			   * Free ONUv1  answers to cable_tech, and compatibilty codes requests with 0
+			   * However, its acts as if it were a 1Gbps Copper tranceiver.
+			   */
+			  if (hw->bus.lan_id == 0)
+			    hw->phy.sfp_type =
+			      ixgbe_sfp_type_1g_cu_core0;
+			  else
+			    hw->phy.sfp_type =
+			      ixgbe_sfp_type_1g_cu_core1;
 			} else {
 				hw->phy.sfp_type = ixgbe_sfp_type_unknown;
 			}
@@ -1461,6 +1472,8 @@
 				else if (cable_tech & IXGBE_SFF_DA_ACTIVE_CABLE)
 					hw->phy.type =
 						ixgbe_phy_sfp_active_unknown;
+				else if (comp_codes_1g == 0 && comp_codes_10g == 0 && cable_tech == 0)
+						 ixgbe_phy_sfp_passive_unknown;
 				else
 					hw->phy.type = ixgbe_phy_sfp_unknown;
 				break;
 		}