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+/* VLAN (802.1q) common header.
+ * Copyright (C) 2016, 2017 Cumulus Networks, Inc.
+ *
+ * This file is part of FRR.
+ *
+ * FRR is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * FRR is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with FRR; see the file COPYING. If not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#ifndef __VLAN_H__
+#define __VLAN_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* VLAN Identifier */
+typedef uint16_t vlanid_t;
+#define VLANID_MAX 4095
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __VLAN_H__ */