diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh b/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh
index 8fa681eb90e72dee85fa5fc9c44f7b9d0f45a622..6f9ef1820e9370c58ce096d7bd2e2e766f8d0df0 100755
--- a/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh
+++ b/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh
@@ -35,6 +35,8 @@ setup_prepare()
 	vrf_prepare
 	mirror_gre_topo_create
 
+	sysctl_set net.ipv4.conf.v$h3.rp_filter 0
+
 	ip address add dev $swp3 192.0.2.161/28
 	ip address add dev $h3 192.0.2.162/28
 	ip address add dev gt4 192.0.2.129/32
@@ -61,6 +63,8 @@ cleanup()
 	ip address del dev $h3 192.0.2.162/28
 	ip address del dev $swp3 192.0.2.161/28
 
+	sysctl_restore net.ipv4.conf.v$h3.rp_filter 0
+
 	mirror_gre_topo_destroy
 	vrf_cleanup