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-rw-r--r--src/vnet/ip/ip4.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/vnet/ip/ip4.h b/src/vnet/ip/ip4.h
index a7e05a41f75..bed552b982c 100644
--- a/src/vnet/ip/ip4.h
+++ b/src/vnet/ip/ip4.h
@@ -178,6 +178,7 @@ typedef struct ip4_main_t
/** Global ip4 main structure. */
extern ip4_main_t ip4_main;
+extern char *ip4_error_strings[];
/** Global ip4 input node. Errors get attached to ip4 input node. */
extern vlib_node_registration_t ip4_input_node;