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-rw-r--r--lib/libospf.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/libospf.h b/lib/libospf.h
index 856c76df55..ade774db6d 100644
--- a/lib/libospf.h
+++ b/lib/libospf.h
@@ -80,6 +80,7 @@
#define OSPF_FAST_HELLO_DEFAULT 0
#define OSPF_AREA_BACKBONE 0x00000000 /* 0.0.0.0 */
+#define OSPF_AREA_RANGE_COST_UNSPEC -1U
/* SPF Throttling timer values. */
#define OSPF_SPF_DELAY_DEFAULT 200