1 files changed, 10 insertions, 0 deletions
diff --git a/pimd/pim_join.c b/pimd/pim_join.c
index c7a80ca8e0..4606aec6a1 100644
--- a/pimd/pim_join.c
+++ b/pimd/pim_join.c
@@ -1,3 +1,5 @@
+
+
 /*
  * PIM for Quagga
  * Copyright (C) 2008  Everton da Silva Marques
@@ -39,6 +41,7 @@
 #include "pim_rp.h"
 #include "pim_jp_agg.h"
 #include "pim_util.h"
+#include "pim_ssm.h"
 
 static void on_trace(const char *label, struct interface *ifp,
 		     struct in_addr src)
@@ -105,6 +108,13 @@ static void recv_join(struct interface *ifp, struct pim_neighbor *neigh,
 			return;
 		}
 
+		if (pim_is_grp_ssm(pim_ifp->pim, sg->grp)) {
+			zlog_warn(
+				"%s: Specified Group(%pI4) in join is now in SSM, not allowed to create PIM state",
+				__func__, &sg->grp);
+			return;
+		}
+
 		sg->src.s_addr = INADDR_ANY;
 	}