Index: share/man/man4/lagg.4
===================================================================
--- share/man/man4/lagg.4
+++ share/man/man4/lagg.4
@@ -61,7 +61,6 @@
 The driver currently supports the aggregation protocols
 .Ic failover
 (the default),
-.Ic fec ,
 .Ic lacp ,
 .Ic loadbalance ,
 .Ic roundrobin ,
@@ -86,11 +85,6 @@
 .Xr sysctl 8
 variable to a nonzero value,
 which is useful for certain bridged network setups.
-.It Ic fec
-Supports Cisco EtherChannel.
-This is an alias for
-.Ic loadbalance
-mode.
 .It Ic lacp
 Supports the IEEE 802.1AX (formerly 802.3ad) Link Aggregation Control Protocol
 (LACP) and the Marker Protocol.
Index: sys/net/if_lagg.h
===================================================================
--- sys/net/if_lagg.h
+++ sys/net/if_lagg.h
@@ -52,8 +52,7 @@
 #define	LAGG_PROTO_FAILOVER	2	/* active failover */
 #define	LAGG_PROTO_LOADBALANCE	3	/* loadbalance */
 #define	LAGG_PROTO_LACP		4	/* 802.3ad lacp */
-#define	LAGG_PROTO_ETHERCHANNEL	5	/* Cisco FEC */
-#define	LAGG_PROTO_MAX		6
+#define	LAGG_PROTO_MAX		5
 
 struct lagg_protos {
 	const char		*lpr_name;
@@ -63,7 +62,6 @@
 #define	LAGG_PROTO_DEFAULT	LAGG_PROTO_FAILOVER
 #define LAGG_PROTOS	{						\
 	{ "failover",		LAGG_PROTO_FAILOVER },			\
-	{ "fec",		LAGG_PROTO_ETHERCHANNEL },		\
 	{ "lacp",		LAGG_PROTO_LACP },			\
 	{ "loadbalance",	LAGG_PROTO_LOADBALANCE },		\
 	{ "roundrobin",		LAGG_PROTO_ROUNDROBIN },		\
Index: sys/net/if_lagg.c
===================================================================
--- sys/net/if_lagg.c
+++ sys/net/if_lagg.c
@@ -166,7 +166,6 @@
 	{ LAGG_PROTO_ROUNDROBIN,	lagg_rr_attach },
 	{ LAGG_PROTO_FAILOVER,		lagg_fail_attach },
 	{ LAGG_PROTO_LOADBALANCE,	lagg_lb_attach },
-	{ LAGG_PROTO_ETHERCHANNEL,	lagg_lb_attach },
 	{ LAGG_PROTO_LACP,		lagg_lacp_attach },
 	{ LAGG_PROTO_NONE,		NULL }
 };
@@ -918,7 +917,6 @@
 
 		case LAGG_PROTO_ROUNDROBIN:
 		case LAGG_PROTO_LOADBALANCE:
-		case LAGG_PROTO_ETHERCHANNEL:
 			if (LAGG_PORTACTIVE(lp))
 				rp->rp_flags |= LAGG_PORT_ACTIVE;
 			break;
@@ -1436,7 +1434,6 @@
 			break;
 		case LAGG_PROTO_ROUNDROBIN:
 		case LAGG_PROTO_LOADBALANCE:
-		case LAGG_PROTO_ETHERCHANNEL:
 			speed = 0;
 			SLIST_FOREACH(lp, &sc->sc_ports, lp_entries)
 				speed += lp->lp_ifp->if_baudrate;