1 files changed, 7 insertions, 2 deletions
diff --git a/proto/ospf/lsalib.c b/proto/ospf/lsalib.c
index 62ea0b86..d6317125 100644
--- a/proto/ospf/lsalib.c
+++ b/proto/ospf/lsalib.c
@@ -349,8 +349,13 @@ int
 lsa_comp(struct ospf_lsa_header *l1, struct ospf_lsa_header *l2)
 			/* Return codes from point of view of l1 */
 {
-  if(l1->sn>l2->sn) return CMP_NEWER;
-  if(l1->sn<l2->sn) return CMP_OLDER;
+  u32 sn1,sn2;
+
+  sn1=l1->sn-LSA_INITSEQNO+1;
+  sn2=l2->sn-LSA_INITSEQNO+1;
+
+  if(sn1>sn2) return CMP_NEWER;
+  if(sn1<sn2) return CMP_OLDER;
 
   if(l1->checksum=!l2->checksum)
     return l1->checksum<l2->checksum ? CMP_OLDER : CMP_NEWER;