JUNIPER-FRU-MIB

Description: Defines managed objects for Field Replaceable Unit (FRU) monitoring on Juniper Networks devices, including status, type, and operational state.

Start monitoring vendor-neutral, standards-based MIB, any SNMPv3-capable network device (SNMP engine identity/boot/clock status) with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

JUNIPER-FRU-MIB is a Juniper Networks enterprise MIB for monitoring Field Replaceable Units -- the physical, hot-swappable hardware modules (such as line cards, power supplies, fan trays, and in this case OTN-related FRUs) installed in a Juniper chassis. It exposes a configuration table describing each FRU's identity and configured attributes, giving visibility into what hardware is installed and how it is configured. This is directly a hardware-health MIB: it is used to confirm FRUs are present, correctly configured, and by extension (via associated status objects) operational, making it central to detecting a failed or missing power supply, fan, or line card. It is a Juniper-specific enterprise extension, though it parallels the general concept found in ENTITY-MIB for physical component inventory. Typical deployment is any modular Juniper chassis (routers, switches with OTN/optical modules) where hardware component health needs to be tracked for maintenance and failure alerting. Engineers can download the JUNIPER-FRU-MIB file directly to load it into their MIB browser.

An administrator would poll jnxFruCfgTable/jnxFruCfgEntry via jnxFruCfg to check the configuration and presence of each field-replaceable unit, catching a scenario where an OTN FRU has been removed or its configuration no longer matches the expected state, which would prompt a physical inspection. Because the sample objects provided are limited to the configuration table, per-slot operational-status columns are not confirmed here but would typically accompany such a table in a full FRU MIB. This MIB is primarily useful for hardware-inventory and configuration verification of replaceable modules.

Vendor-private Juniper MIB for Field Replaceable Unit (FRU) management; defines objects for monitoring hardware modules, chassis components, and physical inventory on Juniper devices.