Release Notes for Cisco Nexus 3000 Series, Release 10.6(2)F
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Release Notes for Cisco Nexus 9000 Series, Release 10.6(2)F
Release Notes for Cisco Nexus 9000 Series, Release 10.6(2)F
This document describes the features, issues, and limitations of Cisco NX-OS software Release 10.6(2)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(2)F for use on the Cisco Nexus 3000 Series switches.
| Date |
Description |
| December 14, 2025 |
Initial Release |
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(2)F
| Feature Impact |
Feature Name |
Description |
| Licensing |
SLP Licensing support on Cisco Nexus 9396Y12C-SE1 switch |
Starting from Cisco NX-OS Release 10.6(2)F, Smart Licensing using Policy (SLP) is supported on Cisco Nexus 9396Y12C-SE1 switch. For more information, see Cisco Nexus 9000 and 3000 Series NX-OS Smart Licensing Using Policy User Guide. |
| SLP Licensing support on Cisco Nexus 9396T12C-SE1 switch |
Starting from Cisco NX-OS Release 10.6(2)F, Smart Licensing using Policy (SLP) is supported on Cisco Nexus 9396T12C-SE1 switch. For more information, see Cisco Nexus 9000 and 3000 Series NX-OS Smart Licensing Using Policy User Guide. |
|
| Programmability |
DME model for RTP flow monitoring |
Beginning with Cisco NX-OS Release 10.6(2)F, DME support is added to get the on-change details of RTP flows that are experiencing losses. For more information, see Cisco Nexus 3000 and 9000 Series NX-API REST SDK User Guide and API Reference, Release 10.6(x). |
| SSH Connectivity through kstack |
Beginning with Cisco NX-OS Release 10.6(2)F, SSH connections can be accepted over the Linux kernel network stack (kstack) in addition to the existing netstack path. The SSH daemon (sshd) will start on the configured loopback interface and default SSH port. For more information, see Cisco Nexus 9000 Series NX-OS Programmability Guide, Release 10.6(x). |
|
| syslog gnmi.subscribe on openconfig |
Beginning with Cisco NX-OS Release 10.6(2)F, you can retrieve SYSLOG data through gNMI. It is supported only through “ONCE” and “ON_CHANGE” subscribe RPC. It doesnt support app-name, msgid, and procid properties. For more information, see https://developer.cisco.com/docs/cisco-nexus-3000-and-9000-series-nx-api-rest-sdk-user-guide-and-api-reference-release-10-6-x-/. |
Cisco NX-OS Release 10.6(2)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(2)F
| Bug ID |
Headline |
| Clearing the IP ARP suppression cache incorrectly returns an error stating that the cache failed to clear |
|
| N3500-XL reports frequently excessive latency in range of multiple seconds. |
|
| NXOS - OSPFv3 adj to FTD fails with IPSec ESP Auth |
|
| N3500 PTP T3 time stamp may get stuck |
|
| N9K DNS: source-interface not working for ip name-server command in 10.5(3) |
|
| N3500 logs incorrectly ACLQOS VACL/NAT related error message |
|
| N3500XL may allocate incorrect NAT index for new dynamic NAT flow |
|
| Abnormal IPv4 LPM Route Counters |
|
| N3500-XL may log falsely syslog %ACLQOS-SLOT1-2-ACLQOS_NAT_TABLE_FULL |
|
| NPACL GRACEFUL_EXIT prevents subsequent ACL updates |
|
| BGP sessions using type 6 encryption fail after device power-cycle |
|
| Configuring Port-channel L3 sub-interface affects MAC learn on other port-channel trunks |
This table lists the open issues in this specific software release.
Note: Note: This software release may contain open bugs first identified in other releases. To see additional information, click the bug ID to access the Cisco Bug Search Tool.
Table 3. Open issues for Cisco Nexus 9000 Series switches, Release 10.6(2)F
| Bug ID |
Headline |
| N3500-XL black-holing L2 mcast traffic in pure L2 topology |
This section lists the hardware support information for Cisco Nexus 3000 Series switches.
Table 4. Cisco Nexus 3500 Switches
| Product ID |
Description |
| N3K-C3524P-XL |
Cisco Nexus 3524-XL switch |
| N3K-C3548P-XL |
Cisco Nexus 3548-XL switch |
Table 5. 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 6. 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 7. Software packages for Cisco Nexus 3000 Series switches, Release 10.6(2)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(2)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 |
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