diff --git a/sys/net/ieee8023ad_lacp.c b/sys/net/ieee8023ad_lacp.c
index c1e91f7fcb3..be047c4913f 100644
--- a/sys/net/ieee8023ad_lacp.c
+++ b/sys/net/ieee8023ad_lacp.c
@@ -1146,6 +1146,7 @@ lacp_compose_key(struct lacp_port *lp)
 		case IFM_1000_KX:
 		case IFM_1000_SGMII:
 		case IFM_1000_CX_SGMII:
+		case IFM_1000_BX:
 			key = IFM_1000_SX;
 			break;
 		case IFM_10G_LR:
diff --git a/sys/net/if_media.h b/sys/net/if_media.h
index c03a4c87b35..2b308ccfea2 100644
--- a/sys/net/if_media.h
+++ b/sys/net/if_media.h
@@ -258,6 +258,7 @@ uint64_t	ifmedia_baudrate(int);
 #define	IFM_400G_AUI8	IFM_X(117)	/* 400G-AUI8 */
 #define	IFM_50G_KR4	IFM_X(118)	/* 50GBase-KR4 */
 #define	IFM_40G_LM4	IFM_X(119)	/* 40GBase-LM4 */
+#define	IFM_1000_BX	IFM_X(120)	/* 1000Base-BX */
 
 /*
  * Please update ieee8023ad_lacp.c:lacp_compose_key()
@@ -442,6 +443,7 @@ struct ifmedia_description {
 	{ IFM_1000_SX,	"1000baseSX" },					\
 	{ IFM_1000_LX,	"1000baseLX" },					\
 	{ IFM_1000_CX,	"1000baseCX" },					\
+	{ IFM_1000_BX,	"1000baseBX" },					\
 	{ IFM_1000_T,	"1000baseT" },					\
 	{ IFM_HPNA_1,	"homePNA" },					\
 	{ IFM_10G_LR,	"10Gbase-LR" },					\
@@ -789,6 +791,7 @@ struct ifmedia_baudrate {
 	{ IFM_ETHER | IFM_10_FL,	IF_Mbps(10) },			\
 	{ IFM_ETHER | IFM_1000_LX,	IF_Mbps(1000) },		\
 	{ IFM_ETHER | IFM_1000_CX,	IF_Mbps(1000) },		\
+	{ IFM_ETHER | IFM_1000_BX,	IF_Mbps(1000) },		\
 	{ IFM_ETHER | IFM_1000_T,	IF_Mbps(1000) },		\
 	{ IFM_ETHER | IFM_HPNA_1,	IF_Mbps(1) },			\
 	{ IFM_ETHER | IFM_10G_LR,	IF_Gbps(10ULL) },		\