參考資料

http://www.tcpipguide.com/index.htm

SNMP

wikipedia

SNMPv1
RFC1157 - A Simple Network Management Protocol
SNMPv2
RFC1901 - Introduction to Community-based SNMPv2
RFC2578 - Structure of Management Information Version 2 (SMIv2)
RFC2579 - Textual Conventions for SMIv2
RFC2580 - Conformance Statements for SMIv2
RFC3416 - Version 2 of the Protocol Operations for the Simple Network Management Protocol (SNMP)
RFC3417 - Transport Mappings for the Simple Network Management Protocol (SNMP)