1 files changed, 2 insertions, 0 deletions

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 055d8a9a0c61..6c3c1d5232c6 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2401,6 +2401,8 @@ static int __net_init tcp_sk_init(struct net *net)
 
         net->ipv4.sysctl_igmp_max_memberships = 20;
         net->ipv4.sysctl_igmp_max_msf = 10;
+        /* IGMP reports for link-local multicast groups are enabled by default */
+        net->ipv4.sysctl_igmp_llm_reports = 1;
 
         return 0;
 fail: