TCP/IP standards are defined in Requests for Comments (RFCs), which are published by the Internet Engineering Task Force (IETF). The RFCs that are relevant to SNMP features are listed in the following table.
| RFC number | Title |
| 1155 | Structure and identification of management information for TCP/IP-based internets. It defines SMI.MIB. |
| 1157 | Simple network management protocol (SNMP). It defines SNMP itself. |
| 1213 | Management Information Base for Network Management of TCP/IP-based internets: MIB - II. It defines MIB_II.MIB. |