diff --git a/examples/openthread/ot_br/sdkconfig.defaults b/examples/openthread/ot_br/sdkconfig.defaults
index e4331e4410..535bec0057 100644
--- a/examples/openthread/ot_br/sdkconfig.defaults
+++ b/examples/openthread/ot_br/sdkconfig.defaults
@@ -37,4 +37,5 @@ CONFIG_OPENTHREAD_BORDER_ROUTER=y
 # lwIP
 #
 CONFIG_LWIP_IPV6_NUM_ADDRESSES=8
+CONFIG_LWIP_MULTICAST_PING=y
 # end of lwIP
diff --git a/examples/openthread/ot_cli/sdkconfig.defaults b/examples/openthread/ot_cli/sdkconfig.defaults
index a19ba9b2f0..b32702d0f1 100644
--- a/examples/openthread/ot_cli/sdkconfig.defaults
+++ b/examples/openthread/ot_cli/sdkconfig.defaults
@@ -36,4 +36,5 @@ CONFIG_OPENTHREAD_ENABLED=y
 # lwIP
 #
 CONFIG_LWIP_IPV6_NUM_ADDRESSES=8
+CONFIG_LWIP_MULTICAST_PING=y
 # end of lwIP