Juniper-OSPF-MIB

MIB Reference — IPNetwork Monitor · Updated September 09, 2026

All MIBsJuniper-OSPF-MIB

Organization: Juniper Networks, Inc.

Last Updated: 2002-09-16

Category: Protocol: OSPF, Vendor: Juniper

Description: Juniper Networks MIB extending OSPF protocol management objects for Juniper E-series routers including area and neighbor 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.

What Is Juniper-OSPF-MIB?

Juniper-OSPF-MIB is a Juniper Networks enterprise MIB that extends OSPF protocol management for Juniper's E-series (ERX) routing platforms, supplementing the standard OSPF-MIB with Juniper-specific process, area, and performance parameters. It exposes configuration data (SPF hold interval, reference bandwidth, auto virtual-link enablement, route-preference/distance values per route type) alongside performance-oriented counters such as SPF run timing and received hello/database-description packet counts. Its monitoring value centers on software/protocol status: administrators use it to confirm the OSPF process is active, track SPF recalculation frequency and timing (a proxy for routing instability), and watch neighbor packet exchange counts to detect adjacency problems. The module builds directly on the standard IETF OSPF-MIB, extending its object model with Juniper-specific process- and distance-related parameters rather than replacing it. It is deployed on Juniper E-series routers running OSPF in service-provider or enterprise core/edge networks. Network engineers evaluating or troubleshooting this functionality can download the Juniper-OSPF-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in Juniper-OSPF-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

  • Juniper Networks E-series router

Monitoring Examples

An operator would poll juniOspfProcessId and juniOspfNumActiveAreas to confirm the expected number of OSPF areas are active on the router, then check juniOspfSpfTime and juniOspfSpfHoldInterval to see how frequently SPF recalculations are occurring — frequent SPF runs indicate topology flapping. juniOspfHelloPktsRcv and juniOspfDDPktsRcv per neighbor help confirm two-way adjacency exchange is healthy, while juniOspfRefBw is checked to ensure cost calculations align with the network's actual link speeds.

What Can Be Monitored

  • OSPF process status
  • active area count
  • SPF recalculation frequency and timing
  • hello/DD packet receive counts
  • route preference/distance settings
  • reference bandwidth setting
Imported Objects

From IF-MIB

InterfaceIndexOrZero

From Juniper-MIBs

juniMibsMODULE-IDENTITY

From OSPF-MIB

ospfAddressLessIf
ospfAreaEntryOBJECT-TYPE
ospfIfEntry
ospfIfIpAddress
ospfNbrEntry
ospfVirtIfEntry

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter32
Integer32
IpAddress
MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

RowStatus
TruthValue

How to Use in IPNetwork Monitor

Example using juniOspfNumActiveAreas OID:

Select a Juniper Networks E-series router (OSPF process/area/performance) as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type juniOspfNumActiveAreas into the Find box to locate it in the OID tree, then select it and click OK. The number of active areas. On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is a Counter32-type OID, Value bounds is the most useful condition here — trigger an alert if the counter increases sharply between polls relative to its normal baseline, since an unexpected spike often reflects a real change in traffic or activity. Click Finish to create the monitor; you can adjust any parameter later.
OIDs

RFC description

Extends OSPF protocol management with Juniper-specific operational and configuration extensions for routing.

Start monitoring Juniper Networks E-series router (OSPF process/area/performance) 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.

Download Juniper-OSPF-MIB