diff --git a/sys/netinet/ip_input.c b/sys/netinet/ip_input.c
index 82d7acdd0710..e00f3b77c74c 100644
--- a/sys/netinet/ip_input.c
+++ b/sys/netinet/ip_input.c
@@ -942,6 +942,18 @@ ip_forward(struct mbuf *m, int srcrt)
 	flowid = m->m_pkthdr.flowid;
 	ro.ro_nh = fib4_lookup(M_GETFIB(m), ip->ip_dst, 0, NHR_REF, flowid);
 	if (ro.ro_nh != NULL) {
+		if (ro.ro_nh->nh_flags & (NHF_BLACKHOLE | NHF_BROADCAST)) {
+			IPSTAT_INC(ips_cantforward);
+			m_freem(m);
+			NH_FREE(ro.ro_nh);
+			return;
+		}
+		if (ro.ro_nh->nh_flags & NHF_REJECT) {
+			IPSTAT_INC(ips_cantforward);
+			NH_FREE(ro.ro_nh);
+			icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_HOST, 0, 0);
+			return;
+		}
 		ia = ifatoia(ro.ro_nh->nh_ifa);
 	} else
 		ia = NULL;
diff --git a/tests/sys/netinet/forward.sh b/tests/sys/netinet/forward.sh
index e16927a27d07..3ae83eb3edc5 100755
--- a/tests/sys/netinet/forward.sh
+++ b/tests/sys/netinet/forward.sh
@@ -259,6 +259,58 @@ fwd_ip_icmp_gw_slow_success_cleanup() {
 	vnet_cleanup
 }
 
+atf_test_case "fwd_ip_blackhole" "cleanup"
+fwd_ip_blackhole_head() {
+
+	atf_set descr 'Test blackhole routes'
+	atf_set require.user root
+}
+
+fwd_ip_blackhole_body() {
+	jname="v4t-fwd_ip_blackhole"
+
+	vnet_init
+
+	epair=$(vnet_mkepair)
+	epair_out=$(vnet_mkepair)
+
+	ifconfig ${epair}a 192.0.2.2/24 up
+
+	vnet_mkjail ${jname} ${epair}b ${epair_out}b
+	jexec ${jname} ifconfig lo0 127.0.0.1/8 up
+	jexec ${jname} ifconfig ${epair}b 192.0.2.1/24 up
+	jexec ${jname} ifconfig ${epair_out}b 198.51.100.1/24 up
+	jexec ${jname} sysctl net.inet.ip.forwarding=1
+
+	route add default 192.0.2.1
+
+	atf_check -s exit:2 -o ignore \
+	    ping -c 1 -t 1 198.51.100.2
+	atf_check -s exit:0 -o match:"0 packets not forwardable" \
+	    jexec ${jname} netstat -s -p ip
+
+	# Create blackhole route
+	jexec ${jname} /sbin/route add 198.51.100.2 -blackhole -fib 0
+	jexec ${jname} netstat -rn
+
+	# Include an IP option to ensure slow path
+	atf_check -s exit:2 -o ignore \
+	    ping -c 1 -t 1 -R 198.51.100.2
+	atf_check -s exit:0 -o match:"1 packet not forwardable" \
+	    jexec ${jname} netstat -s -p ip
+
+	# Now try via the fast path
+	atf_check -s exit:2 -o ignore \
+	    ping -c 1 -t 1 198.51.100.2
+	atf_check -s exit:0 -o match:"2 packets not forwardable" \
+	    jexec ${jname} netstat -s -p ip
+}
+
+fwd_ip_blackhole_cleanup() {
+
+	vnet_cleanup
+}
+
 atf_init_test_cases()
 {
 
@@ -266,6 +318,7 @@ atf_init_test_cases()
 	atf_add_test_case "fwd_ip_icmp_gw_fast_success"
 	atf_add_test_case "fwd_ip_icmp_iface_slow_success"
 	atf_add_test_case "fwd_ip_icmp_gw_slow_success"
+	atf_add_test_case "fwd_ip_blackhole"
 }
 
 # end
diff --git a/tests/sys/netinet6/forward6.sh b/tests/sys/netinet6/forward6.sh
index b3ccd30aea62..40d17837d6f2 100755
--- a/tests/sys/netinet6/forward6.sh
+++ b/tests/sys/netinet6/forward6.sh
@@ -466,6 +466,59 @@ fwd_ip6_gu_icmp_gw_ll_slow_success_cleanup() {
 	vnet_cleanup
 }
 
+atf_test_case "fwd_ip6_blackhole" "cleanup"
+fwd_ip6_blackhole_head() {
+
+	atf_set descr 'Test blackhole routing'
+	atf_set require.user root
+}
+
+fwd_ip6_blackhole_body() {
+	jname="v6t-fwd_ip6_blackhole"
+
+	vnet_init
+
+	epair=$(vnet_mkepair)
+	epair_out=$(vnet_mkepair)
+
+	ifconfig ${epair}a inet6 2001:db8::2/64 up no_dad
+
+	vnet_mkjail ${jname} ${epair}b ${epair_out}b
+	jexec ${jname} ifconfig lo0 inet6 ::1/128 up no_dad
+	jexec ${jname} ifconfig ${epair}b inet6 2001:db8::1/64 up no_dad
+	jexec ${jname} ifconfig ${epair_out}b inet6 2001:db8:1::1/64 up no_dad
+	jexec ${jname} sysctl net.inet6.ip6.forwarding=1
+
+	route -6 add default 2001:db8::1
+
+	atf_check -s exit:2 -o ignore \
+	    ping6 -c 1 -t 1 2001:db8:1::2
+	atf_check -s exit:0 -o match:"0 packets not forwardable" \
+	    jexec ${jname} netstat -s -p ip6
+
+	# Create blackhole route
+	jexec ${jname} route -6 add 2001:db8:1::2 -blackhole
+
+	# Force slow path
+	jexec ${jname} sysctl net.inet6.ip6.redirect=1
+	atf_check -s exit:2 -o ignore \
+	    ping6 -c 1 -t 1 2001:db8:1::2
+	atf_check -s exit:0 -o match:"1 packet not forwardable" \
+	    jexec ${jname} netstat -s -p ip6
+
+	# Now try the fast path
+	jexec ${jname} sysctl net.inet6.ip6.redirect=0
+	atf_check -s exit:2 -o ignore \
+	    ping6 -c 1 -t 1 2001:db8:1::2
+	atf_check -s exit:0 -o match:"2 packets not forwardable" \
+	    jexec ${jname} netstat -s -p ip6
+}
+
+fwd_ip6_blackhole_cleanup() {
+
+	vnet_cleanup
+}
+
 atf_init_test_cases()
 {
 
@@ -475,6 +528,7 @@ atf_init_test_cases()
 	atf_add_test_case "fwd_ip6_gu_icmp_iface_slow_success"
 	atf_add_test_case "fwd_ip6_gu_icmp_gw_gu_slow_success"
 	atf_add_test_case "fwd_ip6_gu_icmp_gw_ll_slow_success"
+	atf_add_test_case "fwd_ip6_blackhole"
 }
 
 # end