+#define OUI_ENCAP_ETHER 0x000000 /* encapsulated Ethernet */
+#define OUI_CISCO 0x00000c /* Cisco protocols */
+#define OUI_IANA 0x00005E /* IANA */
+#define OUI_NORTEL 0x000081 /* Nortel SONMP */
+#define OUI_CISCO_90 0x0000f8 /* Cisco bridging */
+#define OUI_RFC2684 0x0080c2 /* RFC 2427/2684 bridged Ethernet */
+#define OUI_ATM_FORUM 0x00A03E /* ATM Forum */
+#define OUI_CABLE_BPDU 0x00E02F /* DOCSIS spanning tree BPDU */
+#define OUI_APPLETALK 0x080007 /* Appletalk */
+#define OUI_JUNIPER 0x009069 /* Juniper */
+#define OUI_HP 0x080009 /* Hewlett-Packard */
+#define OUI_IEEE_8021_PRIVATE 0x0080c2 /* IEEE 802.1 Organisation Specific - Annex F */
+#define OUI_IEEE_8023_PRIVATE 0x00120f /* IEEE 802.3 Organisation Specific - Annex G */
+#define OUI_TIA 0x0012bb /* TIA - Telecommunications Industry Association - ANSI/TIA-1057- 2006 */
+#define OUI_DCBX 0x001B21 /* DCBX */
+#define OUI_NICIRA 0x002320 /* Nicira Networks */
+#define OUI_BSN 0x5c16c7 /* Big Switch Networks */
+#define OUI_VELLO 0xb0d2f5 /* Vello Systems */
+#define OUI_HP2 0x002481 /* HP too */
+#define OUI_HPLABS 0x0004ea /* HP-Labs */
+#define OUI_INFOBLOX 0x748771 /* Infoblox Inc */
+#define OUI_ONLAB 0xa42305 /* Open Networking Lab */
+#define OUI_FREESCALE 0x00049f /* Freescale */
+#define OUI_NETRONOME 0x0015ad /* Netronome */
+#define OUI_BROADCOM 0x001018 /* Broadcom */
+#define OUI_PMC_SIERRA 0x00e004 /* PMC-Sierra */
+#define OUI_ERICSSON 0xd0f0db /* Ericsson */
+
+/*
+ * These are SMI Network Management Private Enterprise Codes for
+ * organizations; see
+ *
+ * https://www.iana.org/assignments/enterprise-numbers
+ *
+ * for a list.
+ *
+ * List taken from Ethereal's epan/sminmpec.h.
+ */
+#define SMI_IETF 0 /* reserved - used by the IETF in L2TP? */