Cisco Nexus 9000 Series NX-OS Release Notes, Release 10.6(2n)F
Available Languages
Bias-Free Language
The documentation set for this product strives to use bias-free language. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. Learn more about how Cisco is using Inclusive Language.
- US/Canada 800-553-2447
- Worldwide Support Phone Numbers
- All Tools
Feedback
Feedback
Cisco Nexus 9000 Series NX-OS Release Notes, Release 10.6(2n)F
Cisco Nexus 9000 Series NX-OS Release Notes, Release 10.6(2n)F
This document describes the features, issues, and limitations of Cisco NX-OS software Release 10.6(2n)F for use on the Cisco Nexus 9000 Series switches.
| Date |
Description |
| April 16, 2026 |
Release 10.6(2n)F became available. |
Nexus 9164E-NS4-O
Cisco Nexus 9164E-NS4-O switch is a 2-rack unit (RU), fixed-port high-density switch designed to support high-density, 800G fabrics for next-generation leaf-and-spine designs. This switch contains Nvidia Spectrum 4 to support AI-ready data center deployments.
Guides listed in the below table contains contents specific only to Cisco NX-OS Release 10.6(2n)F.
| Feature Type |
Description |
| Optics |
● OSFP-800G-DR8
● OSFP-800G-DR8P
● OSFP-800G-VR8
● OSFP-800G-VR8P
● OSFP-2x400G-FR4
|
| Interface |
L3 Interface – L3 Physical- 400G, 800G Interface Consistency Checker |
| Layer 3 |
L3 Support - v4, v6 ECMP, Adaptive Routing Modes BFD – Single Hop L3 Consistency Checker WCMP and WCMP+AR UDM Scale 256 |
| ACL /QoS / SPAN |
ACL – CoPP (including Traps/Exceptions) RACL on L3 Interface System QoS (port map based) - no stats QOS – Buffer carving, Default Queuing and scheduling Queuing - Strict Priority, DWRR Queuing Stats RoCEv2 (PFC + ECN) |
| Telemetry |
Open NX-OS automation Software Telemetry POAP ((Mgmt Interfaces Only) DHCP Relay |
| Management Services |
AAA/RADIUS/TACACS SNMP |
Note: Starting from 10.5(3)F, Cisco NX-OS no longer provides a separate EPLD image. Instead, the EPLD image is bundled with all NX-OS images and so the image sizes are correspondingly larger.
In Cisco NX-OS Release 10.6(2n)F, the following 64-bit image is supported:
● The 64-bit Cisco NX-OS image filename with “nxos64-msx.10.6.2n.F.bin” as the prefix is supported and it is mandatory on Cisco 9000 Series Switches.
Note: The 32-bit image is no longer supported.
There are no open issues in this release.
There are no resolved issues in this release.
For information about transceivers and cables supported on a switch, see the Transceiver Module (TMG) Compatibility Matrix. For the transceiver specifications and installation information, see the Install and Upgrade Guides.
To perform a software upgrade or downgrade, follow the instructions in the Cisco Nexus 9000 Series NX-OS Software Upgrade and Downgrade Guide, Release 10.6(x).
Note: Only Disruptive Upgrade is supported. See Disruptive Upgrade.
| Document Title |
Description |
| Cisco Nexus 9000 Series Switches documentation |
|
| Cisco NX-OS Software Release and Image-naming Convention |
|
| Data sheet for Cisco N9300 Series Smart Switch |
|
| Cisco Nexus 9000 and 3000 Series NX-OS Switch License Navigator |
Licensing Information |
| Cisco Nexus 9000 Series NX-OS Software Upgrade and Downgrade Guide |
Cisco Nexus 9000 Series Software Upgrade and Downgrade Guide, Release 10.6(x) |
|
|
<<Nexus 9164E-NS4-O HW HIGs>> |
|
|
|
To provide technical feedback on this document, or to report an error or omission, please send your comments to nexus9k-docfeedback@cisco.com. We appreciate your feedback.
Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL: https://www.cisco.com/c/en/us/about/legal/trademarks.html. Third-party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (1721R)
Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers. Any examples, command display output, network topology diagrams, and other figures in the document are shown for illustrative purposes only. Any use of actual IP addresses or phone numbers in illustrative content is unintentional and coincidental.
© 2026 Cisco Systems, Inc. All rights reserved.