commit 01879114f73adaf1cd4c9f5e7ae1550b72ff9ca9
author Dinesh Dutt <ddutt@cumulusnetworks.com> Sun Aug 25 03:03:31 2013 +0000
committer David Lamparter <equinox@opensourcerouting.org> Thu Nov 07 18:15:43 2013 -0800
tree 95f60a636ad4e2ebb0c55f31301a897fb6559b24
parent e68a67672ccfabefadac36c66e88af997fb572b2

ospf6d: handle Prefix and Router Options bits correctly

Ensure that prefixes with the NU/LA bit set do not get added to the routing
table. Ensure that routers with the V6/R bit set do not get added as transit
routes.

Signed-off-by: Dinesh Dutt <ddutt at cumulusnetworks.com>
[DL: adjust to rebase]
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>

ospf6d/ospf6_asbr.c

diff --git a/ospf6d/ospf6_asbr.c b/ospf6d/ospf6_asbr.c
index 27726c6..60df6e6 100644
--- a/ospf6d/ospf6_asbr.c
+++ b/ospf6d/ospf6_asbr.c
@@ -181,6 +181,13 @@
       return;
     }
 
+  if (CHECK_FLAG(external->prefix.prefix_options, OSPF6_PREFIX_OPTION_NU))
+    {
+      if (IS_OSPF6_DEBUG_EXAMIN (AS_EXTERNAL))
+        zlog_debug ("Ignore LSA with NU bit set Metric");
+      return;
+    }
+
   ospf6_linkstate_prefix (lsa->header->adv_router, htonl (0), &asbr_id);
   asbr_entry = ospf6_route_lookup (&asbr_id, ospf6->brouter_table);
   if (asbr_entry == NULL ||