Answer
Yes, Junos OS supports MIB II, the second version of the MIB standard.
The features of MIB II include:
- Additions that reflect new operational requirements
- Backward compatibility with the original MIBs and SNMP
- Improved support for multiprotocol entities
- Improved readability
For a list of supported standard and enterprise-specific MIBs, click SNMP MIBs and Traps Reference.