Nortel-Magellan-Passport-StateSummaryMIB

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › Nortel-Magellan-Passport-StateSummaryMIB

Organization: Nortel

Last Updated: 1997-07-15

Category: Alarm & Fault Management, Nortel Magellan Passport

Description: Provides SNMP objects for summarizing operational state across components of the Nortel Magellan Passport switch.

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What Is Nortel-Magellan-Passport-StateSummaryMIB?

This MIB module provides state summary functionality for the Nortel Magellan Passport WAN switch, aggregating operational health information across all major hardware and software components on the node into a single summarized view, as its module description explicitly states. It exposes a component-class table (compClassTable) that groups components by class/type and tracks, per class, the number currently down (numberDown) and the number in a troubled/degraded state (numberTroubled), along with timestamps of the last state or table change. This is explicitly a hardware/software health-monitoring MIB: it gives operators a fast top-level check of overall switch health without polling every individual component subsystem, flagging fault conditions across cards, links, and processes. It complements the many component-specific Passport MIBs (hunt groups, ATM, LEC, etc.) by rolling their individual states up into this summary, depending conceptually on the state conventions used throughout the Magellan Passport MIB suite. It is typically deployed as the first-line health dashboard data source when monitoring a Nortel Magellan Passport switch. Engineers can download the Nortel-Magellan-Passport-StateSummaryMIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in Nortel-Magellan-Passport-StateSummaryMIB. 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

  • Nortel Magellan Passport WAN switch

Monitoring Examples

An operator would poll compClassTable/compClassEntry to read numberDown and numberTroubled for each compClass (e.g., a card type or protocol component class), immediately spotting which component category has failures without walking every individual component MIB. Checking timeOfLastStateStatusChange and timeOfLastStateSummTableChange reveals when the last fault event occurred, helping correlate an alarm with a recent state transition. A nonzero numberDown for a critical compClass like a trunk card would trigger deeper investigation into that specific component MIB.

What Can Be Monitored

  • number of components down per class
  • number of components troubled per class
  • time of last state status change
  • time of last table change
  • component class summary
Imported Objects

From Nortel-Magellan-Passport-UsefulDefinitionsMIB

componentsOBJECT-IDENTITY
passportMIBsOBJECT-IDENTITY

From SNMPv2-SMI

Gauge32
MODULE-IDENTITY
OBJECT-TYPE
TimeTicks

From SNMPv2-TC

DisplayString

How to Use in IPNetwork Monitor

Example using numberDown OID:

Select a Nortel Magellan Passport WAN switch (aggregated component state summary) 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 numberDown 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. The number of component instances that are down. 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 Gauge32-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

State summary functionality for Nortel Magellan Passport. Tracks state information timestamps for component classes.

Start monitoring Nortel Magellan Passport WAN switch (aggregated component state summary) 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 Nortel-Magellan-Passport-StateSummaryMIB