PRVT-PW-TDM-MIB

MIB Reference — IPNetwork Monitor · Updated September 09, 2026

All MIBsPRVT-PW-TDM-MIB

Organization: BATM Advanced Communication

Last Updated: 2019--0-2-

Category: Circuit Emulation, Pseudowire and L2VPN

Description: Manages BATM Advanced Communication TDM pseudowire encapsulation, timing recovery, and circuit emulation over MPLS.

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What Is PRVT-PW-TDM-MIB?

PRVT-PW-TDM-MIB is a vendor-specific MIB from BATM Advanced Communications for its circuit-emulation/pseudowire products, managing the encapsulation of TDM circuits (T1, E1, T3, E3, NxDS0) as pseudowires carried over a packet-switching network such as MPLS. It exposes a TDM pseudowire table describing each circuit's module/circuit identifiers, TDM type, and emulation mode, alongside performance-monitoring style counters for elapsed time, valid intervals, and current/latched defect indications. This MIB is explicitly built for monitoring the operational health of circuit-emulation hardware and links: prvtPwVcTDMCurrentIndications and prvtPwVcTDMLatchedIndications reveal active or historically-latched alarm/defect conditions on a TDM pseudowire, and prvtPwVcTDMLastEsTimeStamp tracks when the last errored second occurred, both critical for detecting timing/circuit-emulation faults. It builds on the concepts of the standard IETF Pseudowire (PW) MIB framework adapted with BATM-private object naming. It is typically deployed in TDM circuit-emulation-over-packet deployments where legacy T1/E1/T3/E3 traffic is transported across a packet/MPLS core. Engineers can download the PRVT-PW-TDM-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in PRVT-PW-TDM-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

  • BATM Advanced Communications circuit emulation/pseudowire gateway

Monitoring Examples

An operator would poll prvtPwVcTDMTable/prvtPwVcTDMEntry, indexed by prvtPwVcTDMModuleId and prvtPwVcTDMCircuitId, to check prvtPwVcTDMCurrentIndications for an active alarm on a given TDM pseudowire, such as loss of frame or excessive jitter buffer underruns. prvtPwVcTDMLatchedIndications and prvtPwVcTDMLastEsTimeStamp would be reviewed to determine when and how often the circuit last experienced errored seconds, useful for correlating a service complaint with a specific timing event. prvtPwVcTDMEmulationMode and prvtPwVcTDMType confirm the circuit is provisioned for the expected TDM signal type (e.g., E1 unstructured vs. structured).

What Can Be Monitored

  • TDM pseudowire current alarm/defect indications
  • latched historical defect indications
  • errored-second timestamps
  • TDM emulation mode and circuit type
  • elapsed time / valid interval counters
Imported Objects

From IF-MIB

InterfaceIndexOrZero

From PerfHist-TC-MIB

PerfCurrentCount
PerfIntervalCount

From PRVT-SWITCH-MIB

switchOBJECT-IDENTITY

From Q-BRIDGE-MIB

PortList

From SNMPv2-CONF

MODULE-COMPLIANCE
NOTIFICATION-GROUP
OBJECT-GROUP

From SNMPv2-SMI

Counter32
Gauge32
Integer32
IpAddress
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE
Unsigned32
transmission

From SNMPv2-TC

RowStatus
StorageType
TEXTUAL-CONVENTION
TimeStamp
TruthValue

How to Use in IPNetwork Monitor

Example using prvtPwVcTDMPerfCurrentPktsOoseq OID:

Select a BATM Advanced Communications circuit emulation/pseudowire gateway (TDM-over-packet) 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 prvtPwVcTDMPerfCurrentPktsOoseq 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 packets detected out of sequence (via TDM header sequence numbers), but successfully re-ordered. 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

Manages TDM (T1, E1, T3, E3, NxDS0) encapsulation as pseudo-wires over packet-switching networks.

Start monitoring BATM Advanced Communications circuit emulation/pseudowire gateway (TDM-over-packet) 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 PRVT-PW-TDM-MIB