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-rw-r--r--proto/ospf/ospf.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/proto/ospf/ospf.h b/proto/ospf/ospf.h
index e52a6efb..1bb7f872 100644
--- a/proto/ospf/ospf.h
+++ b/proto/ospf/ospf.h
@@ -10,6 +10,7 @@
#define _BIRD_OSPF_H_
#define MAXNETS 10
+#define OSPF_VLINK_MTU 576 /* RFC2328 - A.1 */
#undef OSPF_BIG_PACKETS /*
* RFC 2328 says, maximum packet size is 65535
* This could be too much for small systems, so I