Changes and New Features History

NVIDIA UFM-SDN Appliance User Manual v4.16.1



v4.15.0 (UFM Enterprise v6.16.0)

Syslog Streaming

Added the option for setting UFM syslog streaming facility. For more information, refer to Configuring Syslog.

Switch Cables REST API

Added the option to query specific switch cables (using Ports API).

Switch Power Information

Added support for switch and modules power usage data in UFM telemetry and REST API​. For more information, refer to Devices Window and Inventory Window.

UFM Data Streaming

Added the ability to change the UFM Data streaming log facility. For more information, refer to Configuring Syslog and Configuring UFM Logging.

SM Settings

Changed the default maximal number of VLs to 2 (VL0 – VL1)​. For more information, refer to Appendix – UFM Subnet Manager Default Properties

Cable Management

Added support for showing transceiver information for downed links. For more information, refer to Cables Window and Network Map.

Congestion Control

Added support for SM congestion control settings. For more information, refer to Appendix - OpenSM Configuration Files for Congestion Control.

Secondary Telemetry

Added the secondary_slvl_support flag and information on the default counters . For more information, refer to Secondary Telemetry.


Upgraded the MLNX_OFED version to v23.10-


Packet Mirroring Collector (PMC) Plugin: Added support for event on PF indicating a QP closing with error on any other GVMI/VF. For more information, refer to Packet Mirroring Collector (PMC) Plugin.

PDR Deterministic Plugin: Updated instructions. For more information, refer to PDR Deterministic Plugin.

GNMI-Telemetry Plugin: Added gNMI telemetry streaming support ​(supporting secured mode streaming). For more information, refer to GNMI-Telemetry Plugin.

NDT Plugin (Subnet Merger): Added the option to validate the extended fabric using cable validation tool. For more information, refer to the NDT Plugin.

v4.14.2 (UFM Enterprise v6.15.2)


New routing algorithm for asymmetric QFT topologies

v4.14.1 (UFM Enterprise v6.15.1)

Defining Node Description

Added the option to establish a blacklist containing possible node descriptions that should be avoided when grouping Multi-NIC HCAs during host startup. For more information, refer to Defining Node Description Black-List.

Network Reports

Added the ability to view topology change events related to devices and links. For more information, refer to Events History, Device Status Events and Link Status Events.

Client Certificate Authentication

Added support for pinning SAN with RegEx.

Secondary Telemetry

Added the ability to expose SHARP telemetry in UFM Telemetry. For more information, refer to Exposing Switch Aggregation Nodes Telemetry.

Added the ability to stop SHARP telemetry endpoint using CLI commands. For more information, refer to Stopping Telemetry Endpoint Using CLI Command.


Enhanced the logging REST API by adding the ability to get event logs in JSON file format. For more information, refer to Get Events as JSON.

Added the ability to expose managed switch power consumption in Web UI. For more information, refer ro Get Managed Switches Power Consumption.

Added ability to filter the event logs by source. For more information, refer to Create Log History.

Added the support for TBD Usage Statistics REST API

Added the ability to generate enterprise network reports. For more information, refer to Events History, Device Status Events and Link Status Events.

Introduced REST APIs for various authentication types. For more information, refer to Examples of REST APIs Using Various Authentication Types.

Added the ability to update UFM Configuration REST API.

Added the option to expose cable information. For more information, refer to Get Ports with Cable Information.

Improved dynamic telemetry by adding the ability to instantiate a new instance and delete a running instance. For more information, refer to UFM Dynamic Telemetry Instances REST API.

Added the option to set “down” ports as unhealthy. For more information, refer to Unhealthy Ports REST API.

Added forge InfiniBand anti-spoofing support. For more information, refer to Forge InfiniBand Anti-Spoofing REST API.

Added the ability to expose the "site_name" field in all supported REST APIs. For more information, refer to REST API Complementary Information


Added support for the gNMI-Telemetry plugin that employs the gNMI protocol to stream data from UFM telemetry. In addition, added support for secure mode based on client authentication. For more information, refer to the GNMI-Telemetry Plugin.

Added support for ALM configuration for controlling isolation/de-isolation. For more information, refer to ALM Configurations.

REST over RDMA Plugin: Moved to Ubuntu 22-based docker container, OFED 5.8-, ucx_py 0.35.0 and Python 3.10.

Supported Transceivers

Added support for FR4 transceivers

v4.13.1 (UFM Enterprise v6.14.1)

Cable and Transceivers Burning

UFM supports second-source cable transceivers burn.


Added HW revision field in GET module REST API response.


Added support for the MRCS register read in UFM Telemetry.

UFM Reports

UFM Daily report will be disabled by default after upgrade or clean installation.

v4.12.0 (UFM Enterprise v6.13.0)

Network Fast Recovery

Added the ability to automatically isolate a malfunctioning switch port as detected by the switch. Refer to Enabling Network Fast Recovery

Multi-Subnet UFM

Added support for multiple UFM instances, wherein multiple instances are aggregated, managed and controlled by a centralized UFM instance. Refer to Multi-Subnet UFM.

Switch ASIC Failure Detection

Added support for a new indication (UFM event) that identifies a failure of a specific switch ASIC. Refer to Configuring Partial Switch ASIC Failure Events.

Automatic Switch Grouping

Added support for enabling automatic grouping of 1U switches by UFM, as per a pre-defined user-configured mapping. Refer to Appendix - Switch Grouping.


Incorporated support for a new UFM REST API that presents the current active SHARP trees. Refer to NVIDIA SHARP Resource Allocation REST API.

SHARP Reservation APIs

Added support for SHARP Reservation API enhancements. Refer to NVIDIA SHARP Resource Allocation REST API.

Email Time-Zone Settings

Added the ability to configure time-zone settings for UFM email notifications, ensuring that sent events or daily reports align with the configured time zone. Refer to Email.

Switch Connectivity Failure Indication

Incorporated support for a new UFM event indication that identifies failed communication with a specified managed switch. Refer to Supported Traps and Events.

Dynamic Telemetry

Added APIs that enable the creation and management of UFM Telemetry instances, allowing users to select desired counters and ports as per their requirements. Refer to UFM Dynamic Telemetry Instances REST API.

TFS (Telemetry Fluent Streaming) Plugin

Added support for UFM telemetry data streaming from multiple endpoints to Fluent Bit. Refer to Telemetry to Fluent Streaming (TFS) Plugin REST API.

Added support for enabling white/black counters lists within the TFS Plugin. Refer to Telemetry to Fluent Streaming (TFS) Plugin REST API.

DTS (DPU Telemetry) Plugin

Added support for displaying DPUs data within the UFM Web UI. Refer to DTS Plugin. 

Cyber-AI Plugin

Added support for displaying Cyber-AI software within the UFM Web UI. Refer to UFM Cyber-AI Plugin.

Packet Mirroring Collector (PMC) Plugin

Added the Packet Mirroring Collector (PMC) plugin that allows users to catch and collect mirrored pFRN and congestion notifications from switches for enhanced real-time network visibility. Refer to Packet Mirroring Collector (PMC) Plugin.

SNMP Traps Listener Plugin

Added the capability to enable registration and monitoring of SNMP traps from managed switches, in addition to updating UFM with the relevant trap information. Refer to SNMP Plugin.

Bright Cluster Integration Plugin

Added support for integration of data from Bright Cluster Manager (BCM) into UFM, providing a more comprehensive network perspective. Refer to UFM Bright Cluster Integration Plugin.

Expanding Non-Blocking Fabric (NDT Plugin extension)

Added a feature that facilitates seamless expansion of the IB fabric, ensuring uninterrupted functionality and optimal performance throughout the fabric. Refer to NDT Format – Merger.

PDR (Packet Drop Rate) Plugin

Added a new functionality that enables automatic detection and isolation of port failures through monitoring of PDR (Packet Drop Rate), BER (Bit Error Rate), and high cable temperatures. Refer to PDR Deterministic Plugin.

v4.11.0 (UFM Enterprise v6.12.0)

Managed Switches - Sysinfo Mechanism

Added the ability to save switches inventory data into JSON format files and present the latest fetched switches data upon UFM start-up. The saved switches data is available UFM upon system dump. Refer to Appendix - Managed Switches Configuration Info Persistency

REST over RDMA Plugin

Introduced security improvements (allowed read-only options in remote ibdiagnet) and added support for Telemetry API. Refer to rest-rdma Plugin

Events and Notifications

Added support for indicating potential switch ASIC failure by detecting a defined percentage of unhealthy switch ports. Refer to Additional Configuration (Optional)

SHARP AM Multi-Port

Added support for detecting IB fabric interface failure and automatic failover to an alternative active port in SHARP Aggregation Manager (AM). Refer to Multi-port SM

UFM System Dump

Added support for downloading the generated UFM system dump. Refer to UFM System Dumb Tab


Added support for adding or removing hosts to Partition key (PKey) assignments (when adding/removing hosts, all the related host GUIDs are assigned to/removed from the PKey). Refer to Add Host REST API

UFM System Dump Improvements including Creating New System Dump API

Managed Switch Operations

Added support for persistent enablement/disablement of managed switches ports. Refer to Ports Window


Created a script to get TopX data by category. Refer to UFM Aggregation TopX file

Proxy Authentication

Added option to delegate authentication to a proxy. Refer to Delegate Authentication to a Proxy

UFM Initial Settings

Removed the requirement to set the IPoIB address to the main IB interface used by UFM/SM (gv.cfg → fabric_interface)


Upgraded the MLNX_OFED version to v 5.8-1.0.1

MFT Package

Integrated with MFT version 4.23.0-104

v4.10.0 (UFM Enterprise v6.11.0)

UFM Discovery and Device Management

  • InBand autosicovery of switchs' IP addresses using ibdiagnet

  • Discovering the device's PSID and FW version using ibdiagnet by default instead of using an SM vendor plugin

CPU Affinity

Enabling the user to control CPU affinity of UFM's major processes


Added support for streaming UFM REST API data over gRPC as part of new UFM plugin. Refer to GRPC-Streamer Plugin.


  • Added support for flexible counters infrastructure (ability to change counter sets that are sampled by the UFM)

  • Updated the set of available counters for Telemetry (removed General counters from default view: Row BER, Effective BER and Device Temperature.

    Now available through the secondary telemetry instance). Refer to Secondary Telemetry

EFS UFM Plugin

Added support for streaming UFM events data to FluentD destination as part of a new UFM plugin. Refer to UFM Telemetry Fluentd Streaming (TFS) Plugin

General UI Enhancements

• Displayed columns of all tables are persistent per user, with the option to restore defaults. Refer to Displayed Columns

• Improved look and feel in Network Map. Refer to Network Map

• Added Reveal Uptime to the general tab in the devices information tabs. Refer to Device General Tab


Added support for PKey filtering for default session data. Refer to Get Default Monitoring Session Data by PKey Filtering.

Added support for filtering session data by groups. Refer to Monitoring Sessions REST API.

Added support for resting all unhealthy ports at once. Refer to Mark All Unhealthy Ports as Healthy at Once

Added support for presenting system uptime in UFM REST API. Refer to Systems REST API.

Deployment Installation

UFM installation is now based on Conda-4.12 (or newer) for Python v3.9 environment and third party packages deployments


Upgraded the MLNX_OFED version to v5.7-

Diagnostics Utilities

Added CLI commands for new diagnostic utilities


Updated NVIDIA SHARP software version to v3.1.1.

UFM Logical Elements

UFM Logical Elements (Environments, Logical Servers, Networks) views are deprecated and will no longer be available starting from UFM v4.11.0 (January 2023 release)

v4.9.0 (UFM Enterprise v6.10.0)

UFM Package

Integrated with UFM Enterprise v6.10.0

System health enhancements

Add support for the periodic fabric health report, and reflected the ports' results in UFM's dashboard

UFM Plugins Management

Add support for plugin management via UFM web UI

UFM Extended Status

Added REST API for exposing UFM readiness

Failover to Other Ports

Add support for SM and UFM Telemetry failover to other ports on the local machine

UFM Appliance Upgrade

Added a set of REST APIs for supporting the UFM Appliance upgrade

Configuration Audit

Add support for tracking changes made in major UFM configuration files (UFM, SM, SHARP, Telemetry)

UFM Plugins

Add support for new SDK plugins


Add support for statistics processing based on UFM telemetry csv format

UFM High Availability Installation

UFM high availability installation has changed and it is now based on an independent high availability package which should be deployed in addition to the UFM Enterprise standalone package.

for further details about the new UFM high availability installation, please refer to - Installing UFM Server Software for High Availability

Network Map

Add support for network map topology persistency on server side


Add option to copy and paste tables content ( GUIDS and LIDS ) via UFM Web UI

UFM Authentication

Add support for token based authentication

SM Configuration

Setting AR (Adaptive Routing) Up Down as the default routing configuration in UFM / SM ( for new UFM installations )


Add Support for CloudX API in UFM for OpenStack integration and allow auto provisioning of the InfiniBand fabric

NDR Support

Add support for discovering and monitoring Nvidia NDR switches

UFM Plugins

Added a support to deploy and run UFM plugins.


Upgraded the MLNX_OFED version integrated with UFM Appliance to v5.5-1.0.3

© Copyright 2024, NVIDIA. Last updated on May 29, 2024.