IEEE8021-PSFP-MIB

MIB Reference — IPNetwork Monitor · Updated September 09, 2026

All MIBsIEEE8021-PSFP-MIB

Organization: IEEE 802.1 Working Group

Last Updated: 2018-06-28

Category: Quality of Service, Standard: IEEE 802

Description: IEEE 802.1 MIB for Per-Stream Filtering and Policing (802.1Qci) managing ingress filtering gates and flow meters.

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What Is IEEE8021-PSFP-MIB?

This is a vendor-neutral IEEE 802.1Qci standards MIB for Per-Stream Filtering and Policing, part of the Time-Sensitive Networking toolset used to protect critical traffic streams from bandwidth interference (babbling talker protection). It exposes stream filter and stream gate configuration tables plus frame/SDU counters tracking matching, passing, and non-passing frames per stream filter instance. Its monitoring value is centered on traffic-policing/fault detection: a spike in the non-passing frame count reveals a stream exceeding its configured gate/filter and being dropped, a leading indicator of a misbehaving talker or mis-provisioned stream. As part of the 802.1Q TSN family it depends on and interoperates with other 802.1Q components such as stream identification and gating, and is commonly deployed alongside 802.1Qbv scheduling and 802.1Qbu preemption. It is typically deployed on TSN-capable industrial, automotive, or professional AV network switches guarding time-critical streams. Engineers implementing or auditing this functionality typically reference the IEEE8021-PSFP-MIB RFC/standard documentation for the authoritative specification.

IPNetwork Monitor allows you to monitor SNMP objects defined in IEEE8021-PSFP-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

  • vendor-neutral, IEEE 802.1Qci standards-based MIB, not tied to a specific manufacturer
  • TSN-capable Ethernet bridge or switch

Monitoring Examples

An operator would poll ieee8021PSFPStreamFilterTable (indexed by ieee8021PSFPStreamFilterInstance) to read ieee8021PSFPMatchingFramesCount alongside ieee8021PSFPPassingFramesCount and ieee8021PSFPNotPassingFramesCount, watching for a rising not-passing count that indicates a stream violating its ieee8021PSFPFilterSpecificationList. Cross-referencing ieee8021PSFPStreamGateInstanceID and ieee8021PSFPPrioritySpec helps identify which gate/priority combination is dropping frames, and SDU-level counters (ieee8021PSFPPassingSDUCount/ieee8021PSFPNotPassingSDUCount) confirm whether the issue is at the frame or service-data-unit level.

What Can Be Monitored

  • matching/passing/non-passing frame counts per stream filter
  • stream gate instance and priority mapping
  • SDU-level pass/fail counts
  • filter specification enforcement
Imported Objects

From IEEE8021-BRIDGE-MIB

ieee8021BridgeBaseComponentIdOBJECT-TYPE

From IEEE8021-ST-MIB

IEEE8021STPTPtimeValue

From IEEE8021-TC-MIB

ieee802dot1mibsOBJECT-IDENTITY

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter64
Integer32
MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

RowStatus
TruthValue

How to Use in IPNetwork Monitor

Example using ieee8021PSFPMatchingFramesCount OID:

Select a device implementing IEEE8021-PSFP-MIB 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 ieee8021PSFPMatchingFramesCount 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 MatchingFramesCount counter counts received frames that match this stream filter. 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 Counter64-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

IEEE 802.1 Per-Stream Filtering and Policing MIB; defines managed objects for stream-based traffic control and policing per IEEE 802.1Qci.

Start monitoring Vendor-neutral IEEE 802.1Qci standard (TSN-capable Ethernet bridge or switch) 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 IEEE8021-PSFP-MIB