diff -Nabur --exclude-from=exclude_files ospfd1.13/src/spfvl.C ospfd1.14/src/spfvl.C
--- ospfd1.13/src/spfvl.C	Thu Sep  7 17:17:14 2000
+++ ospfd1.14/src/spfvl.C	Thu Sep  7 17:30:05 2000
@@ -39,6 +39,10 @@
     RTRrte *endpt;
     SpfArea *bb;
 
+    // Don't allow virtual links to self
+    if (m->nbr_id == my_id())
+        return;
+
     /* Find virtual link by looking up transit area,
      * and then the other endpoint's routing table
      * entry.

.