Cisco Nexus 9000 Series ACI-Mode Switch FPGA/EPLD Upgrade Release Notes, Release 12.3(1)

 

This document lists the current and past versions of EPLD images and describes how to update them for use with the Cisco Nexus 9000 Series switches.

The following table lists the changes to this document.

 

Introduction

The Cisco Nexus 9000 Series ACI-mode switches contain several programmable logical devices (PLDs) that provide hardware functionalities in all modules. Cisco provides electronic programmable logic device (EPLD) image upgrades to enhance hardware functionality or to resolve known issues. PLDs include electronic programmable logic devices (EPLDs), field programmable gate arrays (FPGAs), and complex programmable logic devices (CPLDs), but they do not include ASICs. In this document, the term EPLD is used for FPGA and CPLDs.

The advantage of having EPLDs for some module functions is that when you need to upgrade those functions, you just upgrade their software images instead of replacing their hardware.

NOTE: EPLD image upgrades for an I/O module disrupt the traffic going through the module because the module must power down briefly during the upgrade. The system performs EPLD upgrades on one module at a time, so at any one time the upgrade disrupts only the traffic going through one module.

Cisco provides the latest EPLD images with each release. Typically, these images are the same as provided in earlier releases but occasionally some of these images are updated. These EPLD image updates are not mandatory unless otherwise specified. The EPLD image upgrades are independent from the Cisco ACI In Service Software Upgrade (ISSU) process, which upgrades the system and kickstart images with no impact on the network environment.

When Cisco makes an EPLD image upgrade available, these release notes announce their availability, and you can download them from http://www.cisco.com.

Deciding When to Upgrade EPLDs

When new EPLD images are available, the upgrades are always recommended if your network environment allows for a maintenance period in which some level of traffic disruption is acceptable. If such a disruption is not acceptable at this time, then you might consider postponing the upgrade until a better time.

NOTE: The EPLD upgrade operation is a disruptive operation. You should execute this operation only at a programmed maintenance time. The system ISSU upgrade is a nondisruptive upgrade.

NOTE: Do not perform an EPLD upgrade during an ISSU system/kickstart upgrade.

Switch Requirements

The Cisco Nexus 9000 Series switch must be running the Cisco ACI operating system and include the following hardware:

·         Supervisor modules (2)—each with at least 800 MB of available bootflash memory (Cisco Nexus 9504, 9508, and 9516 switches)

·         System controller modules (2) (Cisco Nexus 9504, 9508, and 9516 switches)

·         Line cards (Cisco Nexus 9504, 9508, and 9516 switches)

o    Cisco Nexus 9504 switch (1-4 modules)

o    Cisco Nexus 9508 switch (1-8 modules)

o    Cisco Nexus 9516 switch (1-16 modules)

·         Fabric modules (Cisco Nexus 9504, 9508, and 9516 switches)

o    Fabric modules for 40-Gigabit line cards on a Cisco Nexus 9504, 9508, or 9516 switch (3-6)

o    Fabric modules for 100-Gigabit line cards on a Cisco Nexus 9504 or 9508 switch (4)

·         Fan modules

o    Cisco Nexus 93120TX switch (2)

o    Cisco Nexus 93128TX, 9396PX, and 9396TX switch (3)

o    Cisco Nexus 93108TC-EX, 93108TC-FX, 93180LC-EX, 93180YC-EX, 93180YC-FX, 9332PQ, 9372PX, 9372PX-E, 9372TX, or 9372TX-E switch (4)

o    Cisco Nexus 9504, 9508, or 9516 switch (3)

·         Power supplies—The following table lists the number and type supported by each switch.

·         Uplink module (Cisco Nexus 93128TX, 9396PX, and 9396TX switches only)

o    M6PQ

o    M6PQ-E

o    M12PQ

You must have administrator privileges to work with the Cisco Nexus 9000 Series switch.

EPLD Upgrades Available for ACI Mode Releases 12.1(1) to 12.3(1)

Each EPLD image that you can download from http:/​/​www.cisco.com is a bundle of EPLD upgrades. To see the updated EPLD versions for the Cisco Nexus Cisco Nexus 9300 platform ACI-mode fixed switches, and the Cisco Nexus 9500 platform ACI-mode modular switches, see the following tables.

NOTE: All updates to an image are shown in boldface. If more than one release is shown for a column, the boldface applies to the first release listed for the column.

 
Available EPLD Images for the Cisco Nexus 9200 and 9300 Platform Top-of-Rack Switches

 

Available EPLD Images for the Cisco Nexus 9500 Platform Modular Switches

 

 

Related Documentation

Cisco Application Centric Infrastructure (ACI) Documentation

The ACI documentation is available at the following URL: http://www.cisco.com/c/en/us/support/ cloud-systems-management/application-policy-infrastructure-controller-apic/ tsd-products-support-series-home.html.

Cisco Application Centric Infrastructure (ACI) Simulator Documentation

The Cisco ACI Simulator documentation is available at http://www.cisco.com/c/en/us/support/ cloud-systems-management/application-centric-infrastructure-simulator/tsd-products-support-series-home.html.

Cisco Nexus 9000 Series Switches Documentation

The Cisco Nexus 9000 Series Switches documentation is available at http://www.cisco.com/c/en/us/support/ switches/nexus-9000-series-switches/tsd-products-support-series-home.html.

Cisco Application Virtual Switch Documentation

The Cisco Application Virtual Switch (AVS) documentation is available at http://www.cisco.com/c/en/us/ support/switches/application-virtual-switch/tsd-products-support-series-home.html.

Cisco Application Centric Infrastructure (ACI) Integration with OpenStack Documentation

Cisco ACI integration with OpenStack documentation is available at http://www.cisco.com/c/en/us/support/ cloud-systems-management/application-policy-infrastructure-controller-apic/ tsd-products-support-series-home.html.

Release Notes

The release notes are available at the following URL:
http:/​/​www.cisco.com/​en/​US/​products/​ps13386/​prod_​release_​notes_​list.html

Documentation Feedback

To provide technical feedback on this document, or to report an error or omission, please send your comments to apic-docfeedback@cisco.com. We appreciate your feedback.

Obtaining Documentation and Submitting a Service Request

For information on obtaining documentation, using the Cisco Bug Search Tool (BST), submitting a service request, and gathering additional information, see What's New in Cisco Product Documentation, at: http:/​/​www.cisco.com/​c/​en/​us/​td/​docs/​general/​whatsnew/​whatsnew.html.

Subscribe to What's New in Cisco Product Documentation, which lists all new and revised Cisco technical documentation as an RSS feed and delivers content directly to your desktop using a reader application. The RSS feeds are a free service.

 

 

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