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Introduction

The Cisco Nexus 3000 Series NX-OS Release Notes document describes the features, issues, and exceptions of Cisco NX-OS Release 10.5(2)F software for use on Cisco Nexus 3500, 3550-T, and 3600 Series switches.

Date

Description

November 27, 2024

Release 10.5(2)F became available.

New and Enhanced Software Features

New Software Features

Cisco NX-OS Release 10.5(2)F does not include any new software features for the Cisco Nexus 3000 Series.

Product Impact

Feature

Description

Feature set

Multicast Fairness Tuning

Beginning with Cisco NX-OS Release 10.5(2)F, the multicast fairness tuning feature aims to minimize the latency difference for a multicast stream across different ports. The deviation can be reduced to a negligible difference of less than 250 pico-seconds.

For more information, see Cisco Nexus 3550-T NX-OS Interfaces Configuration Guide, Release 10.5(x).

New Enhanced Features

Cisco NX-OS Release 10.5(2)F does not include any new enhanced features for the Cisco Nexus 3000 Series.

Hardware Features

Cisco NX-OS Release 10.5(2)F does not include any new hardware features for the Cisco Nexus 3000 Series.

Release Image

Cisco Nexus 3000 Series platforms support only 64-bit image. The 64-bit Cisco NX-OS image filename begins with "nxos64-msll” (for example, nxos64-msll.10.5.2.F.bin) and this image is supported on Cisco Nexus 3600 series fixed switches and Cisco Nexus 3500-XL series switches. 32-bit image is no longer supported.

Open Issues

There are no open issues for Cisco Nexus 3000 Series in Cisco NX-OS Release 10.5(2)F.

Resolved Issues

Bug ID

Description

CSCwh90029

Error fetching entries from hardware -- forwarding l2 table utilization instance all

CSCwk45686

Twamp not working in a server-N9k setup.

CSCwk87547

NAT-Alias deleted after multiple broken TCP sessions

CSCwm06460

Unable to remove "fabric forwarding mode anycast-gateway" from a L3VNI

CSCwm09023

EIGRP flaps when configuring the 'address-family ipv4 unicast' on the Nexus 3548-XL

CSCwm30659

Twampv6 not working in 10.2(4) release

CSCwm34356

Nexus 3548XL crashes after DHCP configuration is added

CSCwm50407

Host Route learning is failing when vPC peer switch is down for orphan host

CSCwm60799

N3500 fails to add valid SPAN IP filter to existing SPAN session

CSCwm60818

N3500 may report 18 minutes PTP correction

CSCwm61956

n9k: Incorrect static route after NH move between VPC peers in  VPC fabric peering

CSCwm63977

Unable to ping SVI with forwarding mode set to Warp

CSCwm80669

Proactive IP SLA not able to be configured

Device Hardware

The following tables list the Cisco Nexus 3500 and Cisco Nexus 3600 Series hardware that Cisco NX-OS Release 10.5(1)F supports. For additional information about the supported hardware, see the Hardware Installation Guide for your Cisco Nexus 3500 and Cisco Nexus 3600 Series devices.

Cisco Nexus 3500 Switches

Product ID

Description

N3K-C3524P-XL

Cisco Nexus 3524-XL switch

N3K-C3548P-XL

Cisco Nexus 3548-XL switch

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)

Cisco Nexus 3550-T Switches

Product ID

Description

N35-T-48X

Cisco Nexus 3550-T switch features a console port, a Micro USB port, and a 1G RJ45 port, which can be used as management interfaces.

Cisco Nexus 3550-T Switches Fans, Fan Trays, and Power Supplies

Product ID

Description

N35-T-FAN-PE

Fan module with port-side exhaust airflow

N35-T-FAN-PI

Fan module with port-side intake airflow

N35-T-PAC-PE

Cisco Nexus 2000 or 3000 400W AC power supply, forward airflow (port side exhaust)

N35-T-PAC-PI

Cisco Nexus 2000 or 3000 350W AC power supply, reverse airflow (port side intake)

Cisco Nexus 3550-T Switches Fans, Fan Trays, and Power Supplies

Power Cable PID

Description

Country

CP-PWR-CORD-AU N35-T-48X

Standard Power Cord

Australia

CAB-AC-10A-BRZ

Power Cord 10A NBR 14136 plug 3 pins

Brazil

CAB-9K12A-NA

Power Cord, 125VAC 13A NEMA 5-15 Plug, 8.2-Ft

North America

CAB-ACC

AC Power Cord, C13, NEMA 5-15P, 2.1m

CAB-C13-C14-2M

Standard Power Cable, 240 Volts, 0.02 Pounds, Length: 6.6 ft., Connectors: 1 x power IEC 320 EN 60320 C13

CAB-N35-AC-EU

AC Power Supply Cord

Europe

CP-PWR-CORD-UK

Cisco CP-PWR-CORD-UK Transformer Power Cord, Cisco VOIP phones

United Kingdom

CAB-IND-10A

Standard Power Cord, Second End Connector Type: IEC 320 EN 60320 C13, Current Rating: 10 A

India

CAB-C13-C14-3M-IN

This is a 10ft C13 to C14 18AWG 100-250V power cable that can be used to extend the lengths of 3-pin devices that utilize a shrouded power connector.

CAB-3P-JPN

Standard AC Power Supply Cord Nema 5-15P to C13. Length: 6 Feet/19.6 Meters

Japan

CAB-C13-C14-2M-JP

Power cable - IEC 60320 C13 to IEC 60320 C14 - 6.6 ft

CP-PWR-CORD-SA

AC Power Supply Cord

South Africa

CP-PWR-CORD-TW

AC Power Supply Cord

Taiwan

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.

Upgrade and Downgrade

To perform a software upgrade or downgrade, follow the instructions in the Cisco Nexus 3500 Series NX-OS Software Upgrade and Downgrade Guide and Cisco Nexus 3600 Series NX-OS Software Upgrade and Downgrade Guide.

For information about an In Service Software Upgrade (ISSU), see the Cisco NX-OS ISSU Support Matrix.

MIB Support

The Cisco Management Information Base (MIB) list includes Cisco proprietary MIBs and many other Internet Engineering Task Force (IETF) standard MIBs. These standard MIBs are defined in Requests for Comments (RFCs). To find specific MIB information, you must examine the Cisco proprietary MIB structure and related IETF-standard MIBs supported by the Cisco Nexus 3000 Series switch. The MIB Support List is available at the following FTP sites:

https://cisco.github.io/cisco-mibs/supportlists/nexus3000/Nexus3000MIBSupportList.html

Optics

To determine which transceivers and cables are supported by Cisco Nexus 3000 Series switches, see the Transceiver Module (TMG) Compatibility Matrix.

To see the transceiver specifications and installation information, see Install and Upgrade Guides.

Related Content

This document describes and provides links to the user documentation available for Cisco Nexus 3000 Series documentation. To find a document online, use one of the links in this section.

Document Title

Description

Cisco Nexus 3000 Series switch documentation

Cisco Nexus 3000 Series documentation

Cisco NX-OS Software Strategy and Lifecycle Guide

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 NX-OS Licensing Guide

Cisco Nexus 9000 and 3000 Series NX-OS Switch License Navigator

Cisco Nexus Smart Licensing Using Policy User Guide

Licensing Information

Documentation Feedback

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.

Legal Information

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