diff --git a/headers/posix/net/if_types.h b/headers/posix/net/if_types.h
index f95dd24379..4927200d97 100644
--- a/headers/posix/net/if_types.h
+++ b/headers/posix/net/if_types.h
@@ -5,14 +5,20 @@
 #ifndef _NET_IF_TYPES_H
 #define _NET_IF_TYPES_H
 
+// Standard:
+// http://www.iana.org/assignments/smi-numbers/smi-numbers.xhtml
 
 #define IFT_OTHER		0x01
 #define IFT_ETHER		0x06
 #define IFT_PPP			0x17
 #define IFT_LOOP		0x18
 #define IFT_SLIP		0x1c
+#define IFT_LOCALTALK	0x2a
 #define IFT_MODEM		0x30
-#define IFT_TUN			0x40
+#define IFT_TUN			0x83
+#define IFT_L2VLAN		0x87
+#define IFT_IEEE1394	0x90
+#define IFT_BRIDGE		0xd1
 
 
 #endif	/* _NET_IF_TYPES_H */