Release Notes for Cisco Nexus 3000 Series, Release 10.6(3)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
Release Notes for Cisco Nexus 9000 Series, Release 10.6(3)F
Release Notes for Cisco Nexus 9000 Series, Release 10.6(3)F
This document describes the features, issues, and limitations of Cisco NX-OS software Release 10.6(3)F for use on the Cisco Nexus 3000 Series switches.
This document describes the features, issues, and limitations of Cisco NX-OS software Release 10.6(3)F for use on the Cisco Nexus 3000 Series switches.
| Date |
Description |
| April 27, 2026 |
Release 10.6(3)F became available. |
This section provides a brief description of the new software features introduced in this release.
Table 1. New software features for Cisco Nexus 3000 Series switches, Release 10.6(3)F
| Feature Name |
Description |
|
| Scalability |
25G upgrade on 3550-T |
Beginning with NX-OS Release 10.6(3)F, the 25G support on 3550-T feature allows you to select 25G port speed on the 40 front panel ports of N3550-T. This feature also allows you to switch between 10G and 25G using a command. For more information, refer to:
● Cisco Nexus 3550-T NX-OS Interfaces Configuration Guide, Release 10.6(x)
● Cisco Nexus 3550-T Programmable Switch Platform User Guide, Release 10.6(x), and
● Cisco Nexus 3550-T Hardware Installation Guide
|
Cisco NX-OS Release 10.6(3)F does not include any new hardware features for the Cisco Nexus 3000 Series.
This table lists the resolved issues in this specific software release.
Note: This software release may contain bug fixes first introduced in other releases. To see additional information, click the bug ID to access the Cisco Bug Search Tool.
Table 2. Resolved issues for Cisco Nexus 3000 Series switches, Release 10.6(3)F
| Bug ID |
Headline |
| N3500-XL black-holing L2 mcast traffic in pure L2 topology |
|
| Anycast SVI interface IPv6 enter to TEN State after config replace or chassis reload |
|
| telemetry : arp process core with sys/arp/inst ephemeral sensor |
There are no open issues in Cisco Nexus 9000 Series NX-OS Release 10.6(3)F.
This section lists the hardware support information for Cisco Nexus 3000 Series switches.
Table 3. Cisco Nexus 3500 Switches
| Product ID |
Description |
| N3K-C3524P-XL |
Cisco Nexus 3524-XL switch |
| N3K-C3548P-XL |
Cisco Nexus 3548-XL switch |
Table 4. Cisco Nexus 3500 Series Fans, Fan Trays, and Power Supplies
| Product ID |
Description |
| N2200-PAC-400W |
Cisco Nexus 2000 or 3000 400W AC power supply, forward airflow (port side exhaust) |
| N2200-PAC-400W-B |
Cisco Nexus 2000 or 3000 400W AC power supply, reverse airflow (port side intake) |
| N2200-PDC-400W |
Cisco Nexus 2000 or 3000 400W DC power supply, forward airflow (port side exhaust) |
| N3K-PDC-350W-B |
Cisco Nexus 2000 or 3000 350W DC power supply, reverse airflow (port side intake) |
| NXA-FAN-30CFM-B |
Cisco Nexus 2000 or 3000 individual fan, reverse airflow (port side intake) |
| NXA-FAN-30CFM-F |
Cisco Nexus 2000 or 3000 individual fan, forward airflow (port side exhaust) |
Table 5. Cisco Nexus 3600 Switches
| Product ID |
Description |
| N3K-C3636C-R |
The Cisco Nexus 3636C-R is a 1 rack unit (RU) switch with 36 100-Gigabit QSFP28 ports, 40-Gigabit QSFP, 2 management ports, 1 console port, and 1 USB port. The switch supports both port-side exhaust and port-side intake airflow schemes. The switch has two power supplies, one for operations and the other for redundancy. Both power supplies must be either AC power supplies or DC power supplies. |
| N3K-C36180YC-R |
The Cisco Nexus 36180YC-R is a 1 rack unit (RU) switch with 48 1/10/25-Gigabit SFP ports and 6 40Gigabit QSFP/100-Gigabit QSFP28 ports, 1 management port, 1 console port, and 1 USB port. The switch supports both port-side exhaust and port-side intake airflow schemes. The switch has two power supplies, one for operations and the other for redundancy. Both power supplies must be either AC power supplies or DC power supplies. From Cisco NX-OS Release 10.3(3)F, the following AC ports are supported on Cisco Nexus 36180YC-R (N3K-C36180YC-R):
● AC port-side exhaust (NXA-PAC-750W-PE)
● AC port-side intake (NXA-PAC-750W-PI)
The following table provides information about spares support:
● The Typical/Minimum port-side intake and fan speed percentage is 50% and the maximum port-side intake and fan speed percentage is 100%.
● The Typical/Minimum port-side exhaust and fan speed percentage is 70% and the maximum port-side exhaust and fan speed percentage is 100%.
For information about N3K-C36180YC-R, see Cisco Nexus 3600 Hardware Installation Guide. |
This section provides information about the release packages associated with Cisco Nexus 3000 Series switches.
Table 6. Software packages for Cisco Nexus 3000 Series switches, Release 10.6(3)F
| Software package |
Description |
Release |
| nxos64-msll.<version>.bin |
64-bit NX-OS image for Cisco Nexus 3000 Series platforms, supported on 3600 series fixed switches and 3500-XL series switches |
10.6(3)F |
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.
| Document Title |
Description |
| Cisco Nexus 3000 Series documentation |
|
| Cisco NX-OS Software Release and Image-naming Convention |
|
| Cisco Nexus 3000 and 9000 Series NXAPI REST SDK User Guide and API Reference |
Cisco Nexus 3000 and 9000 Series NX-API REST SDK User Guide and API Reference |
| Cisco Nexus 3000 and 3000 Series NX-OS Switch License Navigator |
Licensing Information |
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.