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-rw-r--r--src/vnet/l2/l2_learn.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/vnet/l2/l2_learn.h b/src/vnet/l2/l2_learn.h
index 3aaf48e2544..c1071450852 100644
--- a/src/vnet/l2/l2_learn.h
+++ b/src/vnet/l2/l2_learn.h
@@ -48,7 +48,7 @@ typedef struct
#define L2LEARN_DEFAULT_LIMIT (L2FIB_NUM_BUCKETS * 64)
-l2learn_main_t l2learn_main;
+extern l2learn_main_t l2learn_main;
extern vlib_node_registration_t l2fib_mac_age_scanner_process_node;