OSPF: N-bit should not be set for DBDES packets

diff --git a/proto/ospf/dbdes.c b/proto/ospf/dbdes.c
index d6904343c7b61e387783eab0653f29143012d159..d7d2a0570a87d7a1414ce52355fe5934eba1b70f 100644 (file)
--- a/proto/ospf/dbdes.c
+++ b/proto/ospf/dbdes.c
@@ -121,7 +121,7 @@ ospf_prepare_dbdes(struct ospf_proto *p, struct ospf_neighbor *n)
   {
     struct ospf_dbdes2_packet *ps = (void *) pkt;
     ps->iface_mtu = htons(iface_mtu);
-    ps->options = ifa->oa->options;
+    ps->options = ifa->oa->options & ~OPT_N;
     ps->imms = 0;      /* Will be set later */
     ps->ddseq = htonl(n->dds);
     length = sizeof(struct ospf_dbdes2_packet);
@@ -129,7 +129,7 @@ ospf_prepare_dbdes(struct ospf_proto *p, struct ospf_neighbor *n)
   else /* OSPFv3 */
   {
     struct ospf_dbdes3_packet *ps = (void *) pkt;
-    ps->options = htonl(ifa->oa->options);
+    ps->options = htonl(ifa->oa->options & ~OPT_N);
     ps->iface_mtu = htons(iface_mtu);
     ps->padding = 0;
     ps->imms = 0;      /* Will be set later */