diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8
--- a/sbin/ifconfig/ifconfig.8
+++ b/sbin/ifconfig/ifconfig.8
@@ -399,9 +399,10 @@
 A FIB
 .Ar fib_number
 is assigned to all packets encapsulated by tunnel interface, e.g.,
-.Xr gif 4
+.Xr gif 4 ,
+.Xr gre 4
 and
-.Xr gre 4 .
+.Xr vxlan 4 .
 .It Cm maclabel Ar label
 If Mandatory Access Control support is enabled in the kernel,
 set the MAC label to
diff --git a/sys/net/if_vxlan.c b/sys/net/if_vxlan.c
--- a/sys/net/if_vxlan.c
+++ b/sys/net/if_vxlan.c
@@ -163,6 +163,7 @@
 struct vxlan_softc {
 	struct ifnet			*vxl_ifp;
 	int				 vxl_reqcap;
+	u_int				 vxl_fibnum;
 	struct vxlan_socket		*vxl_sock;
 	uint32_t			 vxl_vni;
 	union vxlan_sockaddr		 vxl_src_addr;
@@ -2378,6 +2379,20 @@
 		VXLAN_WUNLOCK(sc);
 		break;
 
+	case SIOCGTUNFIB:
+		ifr->ifr_fib = sc->vxl_fibnum;
+		break;
+
+	case SIOCSTUNFIB:
+		if ((error = priv_check(curthread, PRIV_NET_VXLAN)) != 0)
+			break;
+
+		if (ifr->ifr_fib >= rt_numfibs)
+			error = EINVAL;
+		else
+			sc->vxl_fibnum = ifr->ifr_fib;
+		break;
+
 	default:
 		error = ether_ioctl(ifp, cmd, data);
 		break;
@@ -2533,7 +2548,7 @@
 		sin->sin_family = AF_INET;
 		sin->sin_len = sizeof(*sin);
 		sin->sin_addr = ip->ip_dst;
-		ro->ro_nh = fib4_lookup(RT_DEFAULT_FIB, ip->ip_dst, 0, NHR_NONE,
+		ro->ro_nh = fib4_lookup(M_GETFIB(m), ip->ip_dst, 0, NHR_NONE,
 		    0);
 		if (ro->ro_nh == NULL) {
 			m_freem(m);
@@ -2645,7 +2660,7 @@
 		sin6->sin6_family = AF_INET6;
 		sin6->sin6_len = sizeof(*sin6);
 		sin6->sin6_addr = ip6->ip6_dst;
-		ro->ro_nh = fib6_lookup(RT_DEFAULT_FIB, &ip6->ip6_dst, 0,
+		ro->ro_nh = fib6_lookup(M_GETFIB(m), &ip6->ip6_dst, 0,
 		    NHR_NONE, 0);
 		if (ro->ro_nh == NULL) {
 			m_freem(m);
@@ -2719,6 +2734,7 @@
 	fe = NULL;
 	mcifp = NULL;
 
+	M_SETFIB(m, sc->vxl_fibnum);
 	ETHER_BPF_MTAP(ifp, m);
 
 	VXLAN_RLOCK(sc, &tracker);
@@ -3174,6 +3190,7 @@
 
 	sc = malloc(sizeof(struct vxlan_softc), M_VXLAN, M_WAITOK | M_ZERO);
 	sc->vxl_unit = unit;
+	sc->vxl_fibnum = curthread->td_proc->p_fibnum;
 	vxlan_set_default_config(sc);
 	error = vxlan_stats_alloc(sc);
 	if (error != 0)
diff --git a/sys/netinet6/raw_ip6.c b/sys/netinet6/raw_ip6.c
--- a/sys/netinet6/raw_ip6.c
+++ b/sys/netinet6/raw_ip6.c
@@ -352,6 +352,8 @@
 void
 rip6_ctlinput(int cmd, struct sockaddr *sa, void *d)
 {
+	struct rm_priotracker in6_ifa_tracker;
+	struct in6_ifaddr *ia;
 	struct ip6ctlparam *ip6cp = NULL;
 	const struct sockaddr_in6 *sa6_src = NULL;
 	void *cmdarg;
@@ -361,6 +363,49 @@
 	    sa->sa_len != sizeof(struct sockaddr_in6))
 		return;
 
+	switch (cmd) {
+	case PRC_IFDOWN:
+		IN6_IFADDR_RLOCK(&in6_ifa_tracker);
+		CK_STAILQ_FOREACH(ia, &V_in6_ifaddrhead, ia_link) {
+			if (ia->ia_ifa.ifa_addr == sa
+			    && (ia->ia_flags & IFA_ROUTE)) {
+				ifa_ref(&ia->ia_ifa);
+				IN6_IFADDR_RUNLOCK(&in6_ifa_tracker);
+				/*
+				 * TODO: kills the interface route.
+				 */
+				// in6_scrubprefix(...);
+				ifa_free(&ia->ia_ifa);
+				break;
+
+			}
+		}
+		if (ia == NULL)
+			IN6_IFADDR_RUNLOCK(&in6_ifa_tracker);
+		return;
+
+	case PRC_IFUP:
+		IN6_IFADDR_RLOCK(&in6_ifa_tracker);
+		CK_STAILQ_FOREACH(ia, &V_in6_ifaddrhead, ia_link) {
+			if (ia->ia_ifa.ifa_addr == sa)
+				break;
+		}
+		if (ia == NULL || (ia->ia_flags & IFA_ROUTE)) {
+			IN6_IFADDR_RUNLOCK(&in6_ifa_tracker);
+			return;
+		}
+		ifa_ref(&ia->ia_ifa);
+		IN6_IFADDR_RUNLOCK(&in6_ifa_tracker);
+		err = ifa_del_loopback_route((struct ifaddr *)ia, sa);
+		rt_addrmsg(RTM_ADD, &ia->ia_ifa, ia->ia_ifp->if_fib);
+		err = in6_handle_ifaddr_route(RTM_ADD, ia);
+		if (err == 0)
+			ia->ia_flags |= IFA_ROUTE;
+		err = ifa_add_loopback_route((struct ifaddr *)ia, sa);
+		ifa_free(&ia->ia_ifa);
+		return;
+	}
+
 	if ((unsigned)cmd >= PRC_NCMDS)
 		return;
 	if (PRC_IS_REDIRECT(cmd))