BGP4-V2-MIB-JUNIPER

MIB Reference — IPNetwork Monitor · Updated September 09, 2026

All MIBsBGP4-V2-MIB-JUNIPER

Organization: IETF IDR Working Group

Last Updated: 2012--1-2-

Category: Routing Protocols, Vendor: Juniper

Description: Extends BGP-4 version 2 MIB with Juniper-specific objects for peer groups, policy, and routing instance statistics.

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What Is BGP4-V2-MIB-JUNIPER?

BGP4-V2-MIB-JUNIPER is Juniper Networks' extension of the standard BGP4 version-2 MIB, adding vendor-specific objects for peer groups, routing policy, and per-routing-instance BGP statistics on Juniper routers. It builds on the base BGP4-MIB peer table structure to expose additional grouping and policy-related attributes alongside standard peer state and route statistics. Its monitoring value centers on software/protocol health: peer session state and established/idle transitions reveal BGP session flaps or routing instability, which are critical faults in service-provider and enterprise WAN routing. It explicitly extends and depends on the IETF BGP4-MIB (RFC 4273) and the underlying BGP4 protocol standard. It is typically deployed on Juniper MX/M-series routers running multiple BGP routing instances in ISP or large enterprise backbone networks. Engineers can download the BGP4-V2-MIB-JUNIPER file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in BGP4-V2-MIB-JUNIPER. 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 router (MX/M-series)

Monitoring Examples

An operator would poll the peer-group and routing-instance BGP statistics extensions to confirm the number of established peers per instance matches expectations, cross-referencing against the base BGP4-MIB peer state objects. A drop in established peer count or a spike in peer resets within a given routing instance would indicate a BGP session flap caused by a link failure, MTU mismatch, or policy misconfiguration.

What Can Be Monitored

  • BGP peer group configuration
  • per-routing-instance peer statistics
  • BGP session state
  • routing policy application
  • peer established/reset counts
Imported Objects

From INET-ADDRESS-MIB

InetAddress
InetAddressPrefixLength
InetAddressType
InetAutonomousSystemNumber
InetPortNumber

From JUNIPER-EXPERIMENT-MIB

jnxBgpM2ExperimentOBJECT-IDENTITY

From SNMP-FRAMEWORK-MIB

SnmpAdminString

From SNMPv2-CONF

MODULE-COMPLIANCE
NOTIFICATION-GROUP
OBJECT-GROUP

From SNMPv2-SMI

Counter32
Gauge32
Integer32
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE
TimeTicks
Unsigned32

From SNMPv2-TC

RowPointer
RowStatus
StorageType
TEXTUAL-CONVENTION
TruthValue

How to Use in IPNetwork Monitor

Example using jnxBgpM2PathAttrCount OID:

Select a Juniper Networks router 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 jnxBgpM2PathAttrCount into the Find box to locate it in the OID tree, then select it and click OK. The number of entries in the jnxBgpM2PathAttrTable. 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

Juniper Networks extension to draft IETF BGPv4 MIB version 2, with Juniper-specific BGP routing instance and prefix counter enhancements.

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Download BGP4-V2-MIB-JUNIPER