P-791R v2 Support Notes
Reference
1. PPP Numbers
POINT-TO-POINT PROTOCOL FIELD ASSIGNMENTS
PPP DLL PROTOCOL NUMBERS
The Point-to-Point Protocol (PPP) Data Link Layer [146,147,175] contains a 16
bit Protocol field to identify the encapsulated protocol. The Protocol field is
consistent with the ISO 3309 (HDLC) extension mechanism for Address fields.
All Protocols MUST be assigned such that the least significant bit of the most
significant octet equals "0", and the least significant bit of the least significant
octet equals "1".
•
Network Layer Numbers
Value (in hex) Protocol Name
---------------------------------------------------------------------
0001 Padding Protocol
0003 to 001f reserved (transparency inefficient)
0021 Internet Protocol version 4
0023 OSI Network Layer
0025 Xerox NS IDP
0027 DECnet Phase IV
0029 AppleTalk
002b Novell IPX
002d Van Jacobson Compressed TCP/IP
002f Van Jacobson Uncompressed TCP/IP
0031 Bridging PDU
0033 Stream Protocol (ST-II)
0035 Banyan Vines
0037 reserved (until 1993)
0039 AppleTalk EDDP
003b AppleTalk SmartBuffered
003d Multi-Link [RFC1717]
003f NETBIOS Framing
0041 Cisco Systems
0043 Ascom Timeplex
0045 Fujitsu Link Backup and Load Balancing (LBLB)
0047 DCA Remote Lan
0049 Serial Data Transport Protocol (PPP-SDTP)
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