Juniper-PPPOE-MIB

MIB Reference — IPNetwork Monitor · Updated September 09, 2026

All MIBsJuniper-PPPOE-MIB

Organization: Juniper Networks, Inc.

Last Updated: 2008-11-27

Category: Protocol: PPP, Vendor: Juniper

Description: Juniper Networks MIB for monitoring PPPoE session statistics and subscriber connections on Juniper E-series broadband edge routers.

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What Is Juniper-PPPOE-MIB?

Juniper-PPPoE-MIB manages PPPoE (Point-to-Point Protocol over Ethernet) interfaces and subinterfaces on Juniper E-series broadband edge routers, covering both the PPPoE access-concentrator interface layer and per-session subinterfaces used for subscriber connections. It exposes interface creation/deletion via row status, session limits, access-concentrator naming, duplicate-session protection, and PADI (PPPoE Active Discovery Initiation) handling flags. Its monitoring value centers on subscriber session software health: tracking how many PPPoE sessions are active against juniPPPoEIfMaxNumSessions, and diagnosing session establishment failures via duplicate-protection or PADI flag settings, which directly affects broadband subscriber connectivity. Creating/deleting PPPoE interfaces here has documented side effects on the standard IF-MIB ifTable/ifXTable and the Juniper-UNI-IF-MIB, making those dependencies explicit. It is deployed on Juniper E-series routers serving as PPPoE broadband access concentrators. Engineers can download the Juniper-PPPOE-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in Juniper-PPPOE-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 E-series broadband edge router

Monitoring Examples

An administrator monitors juniPPPoEIfTable/juniPPPoEIfEntry to compare current session counts against juniPPPoEIfMaxNumSessions, watching for subscribers being rejected once the limit is reached. Checking juniPPPoEIfDupProtect and juniPPPoEIfPADIFlag helps diagnose why a subscriber's PPPoE session isn't establishing, for example duplicate-session protection blocking a legitimate reconnect. juniPPPoEIfServiceNameTable is reviewed when a subscriber requests a specific PPPoE service name that isn't being offered, and juniPPPoEIfAutoconfig indicates whether subinterfaces are being auto-provisioned as sessions come up.

What Can Be Monitored

  • active PPPoE session count vs. limit
  • PPPoE interface/subinterface status
  • duplicate session protection state
  • PADI handling flag
  • offered PPPoE service names
  • subinterface autoconfiguration state
Imported Objects

From IF-MIB

InterfaceIndex
InterfaceIndexOrZero

From Juniper-MIBs

juniMibsMODULE-IDENTITY

From Juniper-TC

JuniEnable
JuniNextIfIndex

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter32
Integer32
MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

DisplayString
MacAddress
RowStatus
TEXTUAL-CONVENTION
TruthValue

How to Use in IPNetwork Monitor

Example using juniPPPoEIfStatsRxPADI OID:

Select a Juniper E-series broadband edge router (PPPoE interfaces/subinterfaces) 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 juniPPPoEIfStatsRxPADI into the Find box to locate it in the OID tree, selecting the specific row/instance you want to monitor since this is a table column, then select it and click OK. It reports the number of PADI packets received. 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 E-series PPPoE management MIB; defines objects for Point-to-Point Protocol over Ethernet interface creation, configuration, and performance monitoring.

Start monitoring Juniper E-series broadband edge router (PPPoE interfaces/subinterfaces) 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-PPPOE-MIB