ATM-OPT-MIB

MIB Reference — IPNetwork Monitor · Updated September 09, 2026

All MIBsATM-OPT-MIB

Category: ATM

Description: Manages optional ATM interface capabilities and extended configuration beyond the base ATM-MIB standard.

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What Is ATM-OPT-MIB?

ATM-OPT-MIB defines optional ATM interface capabilities and extended configuration beyond the base ATM-MIB standard. The only objects present in the available data, cdx6500PCTStationProtocolGroup and cdx6500PSTStationProtocolGroup, indicate this particular optional module is tied to Cabletron/Cisco CDX 6500 chassis hardware rather than being a generic vendor-neutral extension. Its monitoring value is narrow: it tracks the configured station protocol group for PCT and PST modules in a CDX 6500 chassis, which reveals a mismatch between a module's configured protocol group and the type of station actually attached to it. It builds on the base ATM-MIB (RFC 1695/2515) as an optional supplement rather than a standalone protocol. It is used on legacy Cabletron/Cisco CDX 6000-series ATM switching hardware. Engineers can download the ATM-OPT-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ATM-OPT-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

  • Motorola Codex 6500-series data/statistical multiplexer (legacy)

Monitoring Examples

The available objects are cdx6500PCTStationProtocolGroup and cdx6500PSTStationProtocolGroup, representing station protocol group settings for the PCT and PST modules of a CDX 6500 chassis. An administrator would poll these to confirm the protocol group configured on a given module matches the type of station physically attached to it, catching a misconfiguration that would otherwise cause lost ATM connectivity for that station.

What Can Be Monitored

  • station protocol group configuration (PCT module)
  • station protocol group configuration (PST module)
Imported Objects

From RFC-1212

OBJECT-TYPE

From RFC1155-SMI

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OIDs

RFC description

Monitors ATM port configuration and statistics for Codex CDX6500 ATM transport equipment.

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Download ATM-OPT-MIB