diff --git a/ethertypes b/ethertypes
index 7411bbb..5e700f6 100644
--- a/ethertypes
+++ b/ethertypes
@@ -1,32 +1,37 @@
-# all whitespace is ignored
-# comment lines must have a '#' as the first character
-# all protocol numbers are in hexadecimal form
-# maximum namesize = 20 characters
-# always put tabs or spaces between the name and the protocol number
-# anything on a line after the protocol number is ignored
-# programs using this file should not be case sensitive
-IPv4	 	0800
+#
+# Ethernet frame types
+#		This file describes some of the various Ethernet
+#		protocol types that are used on Ethernet networks.
+#
+# This list could be found on:
+#         http://www.iana.org/assignments/ethernet-numbers
+#
+# <name>    <hexnumber> <alias1>...<alias35> #Comment
+#
+IPv4	 	0800  	ip ip4 		# Internet IP (IPv4)
 X25		0805
-ARP		0806
-802_1Q		8100	802.1Q Virtual LAN tagged frame
-IPX		8137
-IPv6		86DD
-NetBEUI		8191
-BPQ		08FF	G8BPQ AX.25 Ethernet Packet
-DEC		6000	DEC Assigned proto
-DNA_DL		6001	DEC DNA Dump/Load
-DNA_RC		6002	DEC DNA Remote Console
-DNA_RT		6003	DEC DNA Routing
-LAT		6004	DEC LAT
-DIAG		6005	DEC Diagnostics
-CUST		6006	DEC Customer use
-SCA		6007	DEC Systems Comms Arch
-RARP		8035	Reverse Addr Res packet
-ATALK		809B	Appletalk DDP
-AARP		80F3	Appletalk AARP
-IPX		8137	IPX over DIX
-PPP_DISC	8863	PPPoE discovery messages
-PPP_SES		8864	PPPoE session messages
-ATMMPOA		884C	MultiProtocol over ATM
-ATMFATE		8884	Frame-based ATM Transport over Ethernet
-LOOP		9000
+ARP		0806	ether-arp	#
+FR_ARP		0808    		# Frame Relay ARP        [RFC1701]
+BPQ		08FF			# G8BPQ AX.25 Ethernet Packet
+DEC		6000			# DEC Assigned proto
+DNA_DL		6001			# DEC DNA Dump/Load
+DNA_RC		6002			# DEC DNA Remote Console
+DNA_RT		6003			# DEC DNA Routing
+LAT		6004			# DEC LAT
+DIAG		6005			# DEC Diagnostics
+CUST		6006			# DEC Customer use
+SCA		6007			# DEC Systems Comms Arch
+TEB		6558             	# Trans Ether Bridging   [RFC1701]
+RAW_FR  	6559                   	# Raw Frame Relay        [RFC1701]
+AARP		80F3			# Appletalk AARP
+ATALK		809B                  	# Appletalk
+802_1Q		8100	8021q 1q 802.1q	dot1q # 802.1Q Virtual LAN tagged frame
+IPX		8137			# Novell IPX
+NetBEUI		8191			# NetBEUI
+IPv6		86DD	ip6 		# IP version 6
+PPP		880B                    # PPP
+ATMMPOA		884C			# MultiProtocol over ATM
+PPP_DISC	8863			# PPPoE discovery messages
+PPP_SES		8864			# PPPoE session messages
+ATMFATE		8884			# Frame-based ATM Transport over Ethernet
+LOOP		9000	loopback 	# loop proto