--- zzzz-none-000/linux-4.9.231/net/ipv4/Kconfig	2020-07-22 07:10:54.000000000 +0000
+++ falcon-5590-729/linux-4.9.231/net/ipv4/Kconfig	2022-03-30 12:03:35.000000000 +0000
@@ -729,3 +729,7 @@
 	  on the Internet.
 
 	  If unsure, say N.
+
+config MCAST_LATENCY_OPTIMIZATION
+	bool "Lantiq Multicast Latency Optimization"
+	default y