A management information base (MIB) is a table of definitions for managed objects in a network device. SNMP uses MIBs to maintain standard definitions of all of the components and their operating conditions within a network device. Each object in the MIB has an identifying code called an object identifier (OID).
MIBs are either standard or enterprise-specific. Standard MIBs are created by the Internet Engineering Task Force (IETF) and documented in various RFCs. Enterprise-specific MIBs are developed and supported by a specific equipment manufacturer.
The enterprise branch number for Junos OS is 2636. Enterprise branch numbers are used in SNMP MIB configurations, and they are also known as SMI network management private enterprise codes.
For a list of supported standard and enterprise-specific MIBs, click SNMP MIBs and Traps Reference
This article provides answers to the most common questions about Junos OS MIBs.