ATT-CNM-ENHANCED-FRAME-RELAY-MIB

MIB Reference — IPNetwork Monitor · Updated September 09, 2026

All MIBsATT-CNM-ENHANCED-FRAME-RELAY-MIB

Category: Frame Relay, Vendor: AT&T

Description: Provides enhanced AT&T CNM Frame Relay objects including SLA monitoring and per-DLCI performance counters.

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What Is ATT-CNM-ENHANCED-FRAME-RELAY-MIB?

ATT-CNM-ENHANCED-FRAME-RELAY-MIB is an AT&T Customer Network Management (CNM) enterprise MIB providing enhanced Frame Relay monitoring objects for AT&T's managed Frame Relay service, layered on top of the standard Frame Relay DTE MIB (RFC 1315/2115). It exposes per-DLCI (Data Link Connection Identifier) performance counters and SLA-related statistics, giving customers visibility into the performance of their contracted Frame Relay virtual circuits. Its monitoring value is centered on WAN link/service performance rather than physical hardware: per-DLCI counters reveal frame/byte throughput, discards, and errors on each virtual circuit, and SLA statistics let a customer verify whether AT&T is meeting its committed information rate (CIR) and delivery guarantees for each circuit. It explicitly extends the standard IETF Frame Relay DTE MIB, adding AT&T-specific CNM/SLA objects on top of the base per-DLCI statistics model. It was typically deployed by enterprise customers of AT&T's managed Frame Relay WAN service to self-monitor circuit performance without direct access to carrier equipment. Network engineers evaluating or troubleshooting this functionality can download the ATT-CNM-ENHANCED-FRAME-RELAY-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ATT-CNM-ENHANCED-FRAME-RELAY-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

  • AT&T managed Frame Relay service CPE/access equipment

Monitoring Examples

No sample_objects were supplied for this module, so specific object names cannot be confirmed; consistent with its stated purpose, a realistic scenario would be a customer polling per-DLCI SLA compliance counters to verify their contracted CIR is being met on a given virtual circuit, and checking discard/error counters on that DLCI to determine whether recent application slowness is due to WAN circuit congestion rather than an internal LAN issue. A sustained rise in DLCI-level discards relative to the SLA baseline would reveal the carrier circuit is oversubscribed or degraded.

What Can Be Monitored

  • per-DLCI throughput and discard/error counters
  • Frame Relay SLA compliance statistics
Imported Objects

From RFC-1212

OBJECT-TYPE

From RFC1155-SMI

Gauge
enterprises

From RFC1213-MIB

DisplayString
OIDs

RFC description

Manages AT&T enhanced Frame Relay customer network management with PVC-level configuration and measurements.

Start monitoring AT&T Customer Network Management (CNM) Frame Relay service equipment (legacy) 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 ATT-CNM-ENHANCED-FRAME-RELAY-MIB