RFC 2172 (rfc2172) - Page 2 of 3
MAPOS Version 1 Assigned Numbers
Alternative Format: Original Text Document
RFC 2172 MAPOS June 1997 2. Protocol Field Assignments The MAPOS Version 1 Data Link Layer [1] contains a 16 bit Protocol field to identify the the encapsulated protocol. The Protocol field is consistent with the ISO 3309 (HDLC) extension mechanism for address fields. All protocol numbers 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". Assigned MAPOS Protocol Numbers Value (in hex) Protocol Name 0001-001F Not Used - reserved 0021 MAPOS Version 1 Internet Protocol Version 4 [8] 0023-FCFF Not Used - reserved FE01 MAPOS Version 1 Address Resolution Protocol (ARP[8]) FE03 MAPOS Version 1 Node Switch Protocol (NSP[9]) FE05 MAPOS Version 1 Switch Switch Protocol (SSP[10]) FE07-FEFF Not Used - reserved References [1] Murakami, K. and M. Maruyama, "MAPOS - Multiple Access Protocol over SONET/SDH, Version 1," RFC-2171, June 1997. [2] CCITT Recommendation G.707: Synchronous Digital Hierarchy Bit Rates (1990). [3] CCITT Recommendation G.708: Network Node Interface for Synchronous Digital Hierarchy (1990). [4] CCITT Recommendation G.709: Synchronous Multiplexing Structure (1990). [5] American National Standard for Telecommunications - Digital Hierarchy - Optical Interface Rates and Formats Specification, ANSI T1.105-1991. [6] Simpson, W., editor, "PPP in HDLC-like Framing," RFC-1662, July 1994. [7] Postel, J., "Internet Protocol (IP)," RFC-791, September 1981. [8] Murakami, K. and M. Maruyama, "IPv4 over MAPOS Version 1," RFC-2176, June, 1997. Maruyama & Murakami Informational
