1 files changed, 3 insertions, 0 deletions
diff --git a/ipproto.h b/ipproto.h
index 845cf008..baec4bdc 100644
--- a/ipproto.h
+++ b/ipproto.h
@@ -140,3 +140,6 @@ extern const char *netdb_protoname (const uint8_t);
 #ifndef IPPROTO_MOBILITY
 #define IPPROTO_MOBILITY	135
 #endif
+#ifndef IPPROTO_ETHERNET
+#define IPPROTO_ETHERNET	143 /* TEMPORARY - registered 2020-01-31, expires 2021-01-31 */
+#endif