diff --git a/tools/testing/selftests/forwarding/bridge.sh b/tools/testing/selftests/forwarding/bridge.sh
index 7ae4f1639c45..6a34489184ea 100755
--- a/tools/testing/selftests/forwarding/bridge.sh
+++ b/tools/testing/selftests/forwarding/bridge.sh
@@ -101,13 +101,13 @@ trap cleanup EXIT
 setup_prepare
 setup_wait
 
-ping_test "vrf-h1" 192.0.2.2
-ping_test "vrf-h1" 2001:db8:1::2
+ping_test ${PING} "vrf-h1" 192.0.2.2
+ping_test ${PING6} "vrf-h1" 2001:db8:1::2
 
 old_mtu=$(mtu_get $h1)
 mtu_change 9000 "${netifs_arr[@]}"
-ping_test "vrf-h1" 192.0.2.2
-ping_test "vrf-h1" 2001:db8:1::2
+ping_test ${PING} "vrf-h1" 192.0.2.2
+ping_test ${PING6} "vrf-h1" 2001:db8:1::2
 mtu_change $old_mtu "${netifs_arr[@]}"
 
 learning_test "br0" $swp1 1 $h1
diff --git a/tools/testing/selftests/forwarding/forwarding.config.sample b/tools/testing/selftests/forwarding/forwarding.config.sample
index f2b14814e4ba..78262e3b7523 100644
--- a/tools/testing/selftests/forwarding/forwarding.config.sample
+++ b/tools/testing/selftests/forwarding/forwarding.config.sample
@@ -17,3 +17,7 @@ declare -A OPTIONS
 
 # Time to wait after interfaces participating in the test are all UP.
 OPTIONS[wait_time]=5
+
+#PING=ping
+#PING6=ping
+#MZ=mausezahn
diff --git a/tools/testing/selftests/forwarding/lib.sh b/tools/testing/selftests/forwarding/lib.sh
index b9b049af93cb..774f5c68ad0b 100644
--- a/tools/testing/selftests/forwarding/lib.sh
+++ b/tools/testing/selftests/forwarding/lib.sh
@@ -22,8 +22,8 @@ if [[ ! -x "$(command -v jq)" ]]; then
 	exit 0
 fi
 
-if [[ ! -x "$(command -v mausezahn)" ]]; then
-	echo "SKIP: mausezahn not installed"
+if [[ ! -x "$(command -v ${MZ})" ]]; then
+	echo "SKIP: ${MZ} not installed"
 	exit 0
 fi
 
@@ -242,12 +242,13 @@ tc_offload_check()
 
 ping_test()
 {
-	local vrf_name=$1
-	local dip=$2
+	local ping=$1
+	local vrf_name=$2
+	local dip=$3
 
 	RET=0
 
-	ip vrf exec $vrf_name ping $dip -c 10 -i 0.1 -w 2 &> /dev/null
+	ip vrf exec $vrf_name $ping $dip -c 10 -i 0.1 -w 2 &> /dev/null
 	check_err $?
 	print_result "ping"
 }
@@ -266,7 +267,7 @@ learning_test()
 		| jq -e '.[] | select(.mac == "de:ad:be:ef:13:37")' &> /dev/null
 	check_fail $? "found FDB record when should not"
 
-	mausezahn $host_if -c 1 -p 64 -a de:ad:be:ef:13:37 -t ip -q
+	${MZ} $host_if -c 1 -p 64 -a de:ad:be:ef:13:37 -t ip -q
 
 	bridge -j fdb show br $bridge brport $br_port vlan $vid \
 		| jq -e '.[] | select(.mac == "de:ad:be:ef:13:37")' &> /dev/null
@@ -283,7 +284,7 @@ learning_test()
 
 	bridge link set dev $br_port learning off
 
-	mausezahn $host_if -c 1 -p 64 -a de:ad:be:ef:13:37 -t ip -q
+	${MZ} $host_if -c 1 -p 64 -a de:ad:be:ef:13:37 -t ip -q
 
 	bridge -j fdb show br $bridge brport $br_port vlan $vid \
 		| jq -e '.[] | select(.mac == "de:ad:be:ef:13:37")' &> /dev/null
@@ -309,7 +310,7 @@ flood_test_do()
 	tc filter add dev $host2_if ingress protocol ip pref 1 handle 101 \
 		flower dst_mac $mac action drop
 
-	mausezahn $host1_if -c 1 -p 64 -b $mac -B $ip -t ip -q
+	${MZ} $host1_if -c 1 -p 64 -b $mac -B $ip -t ip -q
 
 	tc -j -s filter show dev $host2_if ingress \
 		| jq -e ".[] | select(.options.keys.dst_mac == \"$mac\") \
diff --git a/tools/testing/selftests/forwarding/router.sh b/tools/testing/selftests/forwarding/router.sh
index 79ad6cba9118..f660788e4167 100755
--- a/tools/testing/selftests/forwarding/router.sh
+++ b/tools/testing/selftests/forwarding/router.sh
@@ -119,13 +119,13 @@ trap cleanup EXIT
 setup_prepare
 setup_wait
 
-ping_test "vrf-h1" 198.51.100.2
-ping_test "vrf-h1" 2001:db8:2::2
+ping_test ${PING} "vrf-h1" 198.51.100.2
+ping_test ${PING6} "vrf-h1" 2001:db8:2::2
 
 old_mtu=$(mtu_get $h1)
 mtu_change 9000 "${netifs_arr[@]}"
-ping_test "vrf-h1" 198.51.100.2
-ping_test "vrf-h1" 2001:db8:2::2
+ping_test ${PING} "vrf-h1" 198.51.100.2
+ping_test ${PING6} "vrf-h1" 2001:db8:2::2
 mtu_change $old_mtu "${netifs_arr[@]}"
 
 exit $EXIT_STATUS
diff --git a/tools/testing/selftests/forwarding/router_multipath.sh b/tools/testing/selftests/forwarding/router_multipath.sh
index 58f6e75c627e..bea261d66b52 100755
--- a/tools/testing/selftests/forwarding/router_multipath.sh
+++ b/tools/testing/selftests/forwarding/router_multipath.sh
@@ -202,7 +202,7 @@ multipath4_test()
        t0_rp12=$(link_stats_tx_packets_get $rp12)
        t0_rp13=$(link_stats_tx_packets_get $rp13)
 
-       ip vrf exec vrf-h1 mausezahn -q -p 64 -A 192.0.2.2 -B 198.51.100.2 \
+       ip vrf exec vrf-h1 ${MZ} -q -p 64 -A 192.0.2.2 -B 198.51.100.2 \
 	       -d 1msec -t udp "sp=1024,dp=0-32768"
 
        t1_rp12=$(link_stats_tx_packets_get $rp12)
@@ -234,7 +234,7 @@ multipath6_test()
 
        # Generate 16384 echo requests, each with a random flow label.
        for _ in $(seq 1 16384); do
-	       ip vrf exec vrf-h1 ping 2001:db8:2::2 -F 0 -c 1 -q &> /dev/null
+	       ip vrf exec vrf-h1 ${PING6} 2001:db8:2::2 -F 0 -c 1 -q &> /dev/null
        done
 
        t1_rp12=$(link_stats_tx_packets_get $rp12)
@@ -307,13 +307,13 @@ trap cleanup EXIT
 setup_prepare
 setup_wait
 
-ping_test "vrf-h1" 198.51.100.2
-ping_test "vrf-h1" 2001:db8:2::2
+ping_test ${PING} "vrf-h1" 198.51.100.2
+ping_test ${PING6} "vrf-h1" 2001:db8:2::2
 
 old_mtu=$(mtu_get $h1)
 mtu_change 9000 "${netifs_arr[@]}"
-ping_test "vrf-h1" 198.51.100.2
-ping_test "vrf-h1" 2001:db8:2::2
+ping_test ${PING} "vrf-h1" 198.51.100.2
+ping_test ${PING6} "vrf-h1" 2001:db8:2::2
 mtu_change $old_mtu "${netifs_arr[@]}"
 
 multipath_test
diff --git a/tools/testing/selftests/forwarding/tc_flower.sh b/tools/testing/selftests/forwarding/tc_flower.sh
index de825ff2712c..2e5c1f73a117 100755
--- a/tools/testing/selftests/forwarding/tc_flower.sh
+++ b/tools/testing/selftests/forwarding/tc_flower.sh
@@ -71,7 +71,7 @@ match_dst_mac_test()
 	tc filter add dev $h2 ingress protocol ip pref 2 handle 102 flower \
 		$tcflags dst_mac $h2mac action drop
 
-	mausezahn $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
+	${MZ} $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
 		-t ip -q
 
 	tc -j -s filter show dev $h2 ingress \
@@ -101,7 +101,7 @@ match_src_mac_test()
 	tc filter add dev $h2 ingress protocol ip pref 2 handle 102 flower \
 		$tcflags src_mac $h1mac action drop
 
-	mausezahn $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
+	${MZ} $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
 		-t ip -q
 
 	tc -j -s filter show dev $h2 ingress \
@@ -131,7 +131,7 @@ match_dst_ip_test()
 	tc filter add dev $h2 ingress protocol ip pref 3 handle 103 flower \
 		$tcflags dst_ip 192.0.2.0/24 action drop
 
-	mausezahn $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
+	${MZ} $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
 		-t ip -q
 
 	tc -j -s filter show dev $h2 ingress \
@@ -148,7 +148,7 @@ match_dst_ip_test()
 
 	tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower
 
-	mausezahn $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
+	${MZ} $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
 		-t ip -q
 
 	tc -j -s filter show dev $h2 ingress \
@@ -174,7 +174,7 @@ match_src_ip_test()
 	tc filter add dev $h2 ingress protocol ip pref 3 handle 103 flower \
 		$tcflags src_ip 192.0.2.0/24 action drop
 
-	mausezahn $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
+	${MZ} $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
 		-t ip -q
 
 	tc -j -s filter show dev $h2 ingress \
@@ -191,7 +191,7 @@ match_src_ip_test()
 
 	tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower
 
-	mausezahn $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
+	${MZ} $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
 		-t ip -q
 
 	tc -j -s filter show dev $h2 ingress \