Table of Contents

n3k_rel_notes_503_u4_1

Cisco Nexus 3000 Series NX-OS Release Notes, Release 5.0(3)U4(1)

Release Date: October 5, 2012

Current Release: Cisco NX-OS Release 5.0(3)U4(1)

This document describes the features, caveats, and limitations for Cisco Nexus 3000 Series switches. Use this document in combination with documents listed in the “Obtaining Documentation and Submitting a Service Request” section.

Note Table 1-1 shows the online change history for this document.

Table 1-1 Online History Change

Part Number

Revision

Date

Description

OL-27712-01

A0

August 31, 2012

Created NX-OS Release 5.0(3)U4(1) release notes.

B0

September 12, 2012

Added CSCtx36481 to Resolved Caveats in NX-OS Release 5.0(3)U4(1).

C0

September 21, 2012

Added CSCua74854 to Resolved Caveats in NX-OS Release 5.0(3)U4(1).

D0

October 5, 2012

Made a correction in the SPAN a Source Port to Two Dfferent Destination Ports section.

E0

November 1, 2012

to show this release supports the Gigabit Ethernet SFP, LC connector SX transceiver (MMF), GLC-SX-MM.

F0

November 20, 2012

Revised the Twinax Cable Support on Cisco Nexus 3000 Switches section.

G0

January 30, 2013

Removed the Cisco Nexus 3064-TQ switch from the document.

HO

April 15, 2013

Added references to Nexus 3064-T switch, associated hardware, related software support, and new 40G templates.

I0

November 28, 2013

Updated resolved caveat CSCuh79034.

Contents

This document includes the following sections:

- Introduction

- System Requirements

- New and Changed Features

- Upgrade Guidelines

- Limitations

- Caveats

- Obtaining Documentation and Submitting a Service Request

Introduction

The Cisco NX-OS software is a data center-class operating system built with modularity, resiliency, and serviceability at its foundation. Cisco NX-OS helps ensure continuous availability and sets the standard for mission-critical data center environments. The highly modular design of Cisco NX-OS makes zero-effect operations a reality and enables exceptional operational flexibility. Cisco NX-OS software offers the following benefits:

- Cisco NX-OS runs on all Cisco data center switch platforms: Cisco Nexus 7000, Nexus 5000, Nexus 4000, Nexus 3000, Nexus 2000, and Nexus 1000V Series switches.

- Cisco NX-OS software interoperates with Cisco products running any variant of Cisco IOS software and also with any networking operating system that conforms to common networking standards.

- Cisco NX-OS modular processes are triggered on demand, each in a separate protected memory space. Processes are started and system resources are allocated only when a feature is enabled. The modular processes are governed by a real-time preemptive scheduler that helps ensure timely processing of critical functions.

- Cisco NX-OS provides a programmatic XML interface based on the NETCONF industry standard. The Cisco NX-OS XML interface provides a consistent API for devices. Cisco NX-OS also provides support for Simple Network Management Protocol (SNMP) Versions 1, 2, and 3 MIBs.

- Cisco NX-OS enables administrators to limit access to switch operations by assigning roles to users. Administrators can customize access and restrict it to the users who require it.

Cisco Nexus 3000 Series Switches

The Cisco Nexus 3000 Series switches are high-performance, high-density, ultra-low-latency Ethernet switches that provide line-rate Layer 2 and Layer 3 switching. The Cisco Nexus 3000 Series includes the following switches:

- The Cisco Nexus 3064 switch is a 1 RU switch that supports 48 1- or 10-Gigabit downlink ports, four QSFP+ ports that can be used as a 40 Gigabit Ethernet port or 4 x10-Gigabit Ethernet ports, one 10/100/1000 management port, and one console port.

- The Cisco Nexus 3048 switch is a 1 rack unit (RU) switch that supports 48 10/100/1000 Ethernet server-facing (downlink) ports, four 10-Gigabit network-facing (uplink) ports, one100/1000 management port, and one console port.

- The Cisco Nexus 3016 is a 1 RU, 16-port QSFP+ switch. Each QSFP+ port can be used as a 40-Gigabit Ethernet port or 4 x10-Gigabit Ethernet ports.

Each switch includes one or two power supply units and one fan tray module, and each switch can be ordered with either forward (port-side exhaust) airflow or reverse (port-side intake) airflow for cooling. All platforms support both AC and DC power-supplies. All combinations of power (AC/DC) and airflow (forward/reverse) are available. The Cisco Nexus 3000 Series switches run the industry-leading Cisco NX-OS Software operating system.

System Requirements

This section includes the following topics:

- Memory Requirements

- Hardware Supported

- Twinax Cable Support on Cisco Nexus 3000 Switches

Memory Requirements

The Cisco NX-OS Release 5.0(3)U4(1) software requires 135MB of flash memory.

Hardware Supported

.

shows the hardware supported by Cisco NX-OS Release 5.0(3) software.

shows the transceivers supported by Cisco NX-OS Release 5.0(3) software.

Table 1-2 Hardware Supported by Cisco NX-OS Release 5.0(3)Software

Supported Cisco NX-OS Release

Hardware

Part Number

5.0(3)U4(1)

5.0(3)U3(2b)

5.0(3)U3(2a),

5.0(3)U3(2),

5.0(3)U3(1)

5.0(3)U2(2d),

5.0(3)U2(2c),

5.0(3)U2(2b)

5.0(3)U2(2a)

5.0(3)U2(2),

5.0(3)U2(1),

5.0(3)U1(2a),

5.0(3)U1(2)

5.0(3)U1(1d)

Cisco Nexus 3000 Series

Cisco Nexus 3016 switch

N3K-C3016Q-40GE

X

X

X

X

—

—

Cisco Nexus 3048 switch

N3K-C3048TP-1GE

X

X

X

—

—

—

Cisco Nexus 3064-T switch

N3K-C3064PQ-10GT

X

—

—

—

—

—

Cisco Nexus 3064-X switch

N3K-C3064PQ-10GX

X

X

—

—

—

—

Cisco Nexus 3064-E switch

N3K-C3064PQ-10GE

X

X

X

X

X

—

Cisco Nexus 3064 switch

N3K-C3064PQ

X

X

X

X

X

X

Cisco Nexus 3048 fan module, Forward airflow (port-side exhaust)

N3K-C3048-FAN

X

X

X

—

—

—

Cisco Nexus 3048 fan module, Reverse airflow (port-side intake)

N3K-C3048-FAN-B

X

X

X

—

—

—

Nexus 3064-T 500W forward airflow (port side exhaust) AC power supply

NXA-PAC-500W

X

X

—

—

—

—

Nexus 3064-T 500W reverse airflow (port side intake) AC power supply

NXA-PAC-500W-B

X

X

—

—

—

—

Nexus 3064-T 500W forward airflow (port side exhaust) DC power supply

N2200-PDC-400W

X

X

—

—

—

—

Nexus 3064-T 500W reverse airflow (port side intake) DC power supply

N3K-PDC-350W-B

X

X

—

—

—

—

Cisco Nexus 3064-X forward airflow (port-side exhaust), AC power supply

N3K-C3064-X-FA-L3

X

X

—

—

—

—

Cisco Nexus 3064-X reversed airflow (port-side intake), AC power supply

N3K-C3064-X-BA-L3

X

X

—

—

—

—

Cisco Nexus 3064-X forward airflow (port-side exhaust), DC power supply

N3K-C3064-X-FD-L3

X

X

—

—

—

—

Cisco Nexus 3064-X forward airflow (port-side intake), DC power supply

N3K-C3064-X-BD-L3

X

X

—

—

—

—

Cisco Nexus 3064 fan module, Forward airflow (port-side exhaust); also used in the Cisco Nexus 3016

N3K-C3064-FAN

X

X

X

X

X

X

Cisco Nexus 3064 fan module, Reverse airflow (port-side intake); also used in the Cisco Nexus 3016

N3K-C3064-FAN-B

X

X

X

X

X

X

Cisco Nexus 3000 power supply, Forward airflow (port-side exhaust)

N2200-PAC-400W

X

X

X

X

X

X

Cisco Nexus 3000 power supply, Reverse airflow (port-side intake)

N2200-PAC-400W-B

X

X

X

X

X

X

Cisco Nexus 2000 power supply, Forward airflow (port-side exhaust)

N2200-PDC-400W

X

X

X

X

X

X

Cisco Nexus 2000 DC power supply, Reverse airflow (port-side intake)

N3K-PDC-350W-B

X

X

X

X

X

X

Table 1-3 Transceivers Supported by Cisco NX-OS Release 5.0(3)Software

Supported Cisco NX-OS Release

Transceivers

Part Number

5.0(3)U4(1)

5.0(3)U3(2b)

5.0(3)U3(2a),

5.0(3)U3(2),

5.0(3)U3(1)

5.0(3)U2(2c),

5.0(3)U2(2b),

5.0(3)U2(2a),

5.0(3)U2(2)

5.0(3)U2(1)

5.0(3)U1(2a)

5.0(3)U1(2)

5.0(3)U1(1a),

5.0(3)U1(1b),

5.0(3)U1(1d)

QSFP

X

—

—

—

—

—

—

X

—

—

—

—

—

—

40GBASE-SR4 QSFP transceiver module with mpo connector 100 m

QSFP-40G-SR4

X

X

X

X

X

X

X

40GBASE-SR4 QSFP transceiver module with mpo connector 100 m (using fiber splitter cables)

QSFP-40G-SR4

X

X

X

X

X

X

X

40GBASE-CR4 passive copper cable, 1 m

QSFP-H40G-CU1M

X

X

X

X

X

X

X

40GBASE-CR4 passive copper cable, 3 m

QSFP-H40G-CU3M

X

X

X

X

X

X

X

40GBASE-CR4 passive copper cable, 5 m

QSFP-H40G-CU5M

X

X

X

X

X

X

X

QSFP to 4xSFP10G passive copper splitter cable, 1 m

QSFP-4SFP10G-CU1M

X

X

X

X

X

X

X

QSFP to 4xSFP10G passive copper splitter cable, 3 m

QSFP-4SFP10G-CU3M

X

X

X

X

X

X

X

QSFP to 4xSFP10G passive copper splitter cable, 5 m

QSFP-4SFP10G-CU5M

X

X

X

X

X

X

X

10-Gigabit

10GBASE-SR SFP+ module (multimode fiber [MMF])

SFP-10G-SR

X

X

X

X

X

X

X

10GBASE-LR SFP+ module (single-mode fiber [SMF])

SFP-10G-LR

X

X

X

X

X

X

X

10GBASE-ER SFP+ module (single-mode fiber [SMF])

SFP-10G-ER

X

X

X

X

X

X

X

10GBASE-ZR SFP+ module (single-mode fiber [SMF])1

X

X

—

—

—

—

—

X

X

—

—

—

—

—

10GBASE-CU SFP+ cable 1 m (Twinax cable)

SFP-H10GB-CU1M

X

X

X

X

X

X

X

10GBASE-CU SFP+ cable 3 m (Twinax cable)

SFP-H10GB-CU3M

X

X

X

X

X

X

X

10GBASE-CU SFP+ cable 5 m (Twinax cable)

SFP-H10GB-CU5M

X

X

X

X

X

X

X

SFP-H10GB-CU2M2

X

—

—

—

—

—

—

X

—

—

—

—

—

—

1-Gigabit Ethernet

1000BASE-T SFP

GLC-T

X

X

X

X

X

X

X

Gigabit Ethernet SFP, LC connector SX transceiver (MMF)

GLC-SX-MM3

X

X

X

X

X

X

X

Gigabit Ethernet SFP, LC connector SX transceiver (MMF)4

X

—

—

—

—

—

—

Gigabit Ethernet SFP, LC connector LX/LH transceiver (SMF)

GLC-LH-SM

X

X

X

X

X

X

X

1000BASE-T SFP

GLC-T 5

X

—

—

—

—

—

—

1000BASE-T NEBS 3 ESD

X

—

—

—

—

—

—

100 Mbps Ethernet

100BASE-FX SFP module for Gigabit Ethernet ports GLC-GE-100FX6

X

X

X

X

X

X

X

1.Supported on the Cisco Nexus 3064-E and Cisco Nexus 3064-X switches.

1.Supported on the Cisco Nexus 3064-E and Cisco Nexus 3064-X switches.

2.Supported on the Cisco Nexus 3048, Cisco Nexus 3064-X, Cisco Nexus 3064, and Cisco Nexus 3064-E switches.

2.Supported on the Cisco Nexus 3048, Cisco Nexus 3064-X, Cisco Nexus 3064, and Cisco Nexus 3064-E switches.

3.Supported on the Cisco Nexus 3064, Cisco Nexus 3064-E, Cisco Nexus 3064-X, and Cisco Nexus 3064-T switches.

3.Supported on the Cisco Nexus 3064, Cisco Nexus 3064-E, Cisco Nexus 3064-X, and Cisco Nexus 3064-T switches.

4.Supported on the Cisco Nexus 3048 switch.

4.Supported on the Cisco Nexus 3048 switch.

5.Supported on the Cisco Nexus 3064-T switch.

5.Supported on the Cisco Nexus 3064-T switch.

6.Supported on the Cisco Nexus 3064, Cisco Nexus 3064-E, and Cisco Nexus 3064-X switches. For the GLC-GE-100FX, only part number 10-2019-02 is supported.

6.Supported on the Cisco Nexus 3064, Cisco Nexus 3064-E, and Cisco Nexus 3064-X switches. For the GLC-GE-100FX, only part number 10-2019-02 is supported.

Twinax Cable Support on Cisco Nexus 3000 Switches

Starting with Cisco Release NX-OS 5.0(3)U1(1), the following algorithm is used to detect copper SFP+ twinax, QSFP+ twinax, and QSFP+ splitter cables on Cisco Nexus 3000 switches.

If the attached interconnect (transceiver) is a copper SFP+ twinax or QSFP+ twinax cable:

- Verify the transceiver SPROM to match Cisco magic code.

- If the check succeeds, bring up the interface; else print the following warning message stating that a non-Cisco transceiver is attached and try to bring up the port.

2009 Oct 9 01:46:42 switch %ETHPORT-3-IF_NON-CISCO_TRANSCEIVER: Non-Cisco transceiver on interface Ethernet1/18 is detected.

If the attached transceiver is a QSFP+ splitter cable, then no special check is performed. Software tries to bring up the port.

The following disclaimer applies to non-Cisco manufactured and non-Cisco certified QSFP copper splitter cables:

If a customer has a valid support contract for Cisco Nexus switches, Cisco TAC will support twinax cables that are a part of the compatibility matrix for the respective switches. However, if the twinax cables are not purchased through Cisco, a customer cannot return these cables through an RMA to Cisco for replacement.

If a twinax cable that is not part of the compatibility matrix is connected into a system, Cisco TAC will still debug the problem, provided the customer has a valid support contract on the switches. However TAC may ask the customer to replace the cables with Cisco qualified cables if there is a situation that points to the cables possibly being faulty or direct the customer to the cable provider for support. Cisco TAC cannot issue an RMA against uncertified cables for replacement.

New and Changed Features

This section describes the new features introduced in Cisco NX-OS Release 5.0(3)U4(1). This section includes the following topics:

- New Supported Hardware

- New Software Features

New Supported Hardware

Cisco NX-OS Release 5.0(3)U4(1) supports the following new hardware:

- 3064-T (48 ports of 10G BaseT and 4 fixed QSFP ports)

- 40GBASE-CSR4 QSFP transceiver module (QSFP-40G-CSR4)

- 100BASE-FX SFP module for Gigabit Ethernet ports GLC-GE-100FX (10-2019-02)

- 10GBASE-CU SFP+ cable 2.5 m (Twinax cable) (SFP-H10GB-CU2-5M)

- 10GBASE-CU SFP+ cable 2 m (Twinax cable) (SFP-H10GB-CU2M)

New Software Features

All Cisco Nexus 3000 Series switches are supported by Cisco NX-OS Release 5.0(3)U4(1). Cisco NX-OS interoperates with any networking OS, including Cisco IOS software, that conforms to the networking standards mentioned in the product data sheet.

New Software Features in Cisco NX-OS Release 5.0(3)U4(1)

Cisco NX-OS Release 5.0(3)U4(1) is a major release that includes bug fixes and the following new software features and software enhancements:

Nexus 3064-T Support

Added software support for 3064-T hardware options.

40 Gigabit Template Options

To provide flexibility with QSFP mode, these three additional 40 Gigabit template options were added for Nexus 3064 switches:

1x40 Gigabit—60x10G+1x40G

2x40 Gigabit—56x10G+2x40G

3x40 Gigabit—52x10G+3x40G

Enhanced ECN marking

Added support for enhanced explicit congestion notification (ECN) marking, including configurable threshold and global buffer based ECN marking. ECN is an extension to WRED that marks packets instead of dropping them when the average queue length exceeds a specific threshold value. When configured with the WRED ECN feature, routers and end hosts use this marking as a signal that the network is congested to slow down sending packets.

sFlow

sFlow allows you to monitor the real-time traffic in data networks that contain switches and routers. It uses the sampling mechanism in the sFlow Agent software on switches and routers for monitoring traffic and to forward the sample data on ingress and egress ports to the central data collector, also called the sFlow Analyzer.

GRE Tunneling

Cisco NX-OS supports generic routing encapsulation (GRE) as a carrier protocol for a variety of passenger protocols. With GRE you can create tunnel interfaces in all VPN routing and forwarding (VRF) instances.

2-tuple Naming

You can now display Quad small form-factor pluggable (QSFP+) port names 2-tuple mode instead of the default 3-tuple convention mode.

Increased Syslog Destinations

There are now 8 system logging destination ports available on Cisco Nexus 3000 Series switches.

Multicast Multipath Disabling

By default, the RPF interface for multicast is chosen automatically when there are multiple ECMP paths available. You can now disable the automatic selection, allowing you to specify a single RPF interface for multicast.

SCP Server Support

SCP server support is now available on Cisco Nexus 3000 Series switches.

SPAN a Source Port to Two Dfferent Destination Ports

Cisco Nexus 3000 Series switches now support a same source interface that can be spanned out on two destination interfaces. You can have the same source port in two sessions (with different destination ports) in both directions (RX and TX).

ip pim register-source Command

command to configure the IP source address of register messages when the IP source address of a register message is not a uniquely routed address to which the rendezvous point (RP) can send packets.

BFD Support for Static Routes

BFD support for static routes is now available on Cisco Nexus 3000 Series switches.

MTU Messaging Enhancement

When you change the Layer 3 interface MTU value to the jumbo MTU value (1500 bytes or greater), you must also change the network QoS MTU value to 1500 bytes or greater. The device generates a syslog message to inform you of this requirement.

Increased EtherChannel Interfaces

The number of interfaces bundled by an EtherChannel on Cisco Nexus 3000 Series switches is now 32.

Area Range Command Changes

command used to consolidate and summarize routes at an Open Shortest Path First (OSPF) area boundary, now has a cost option. The cost range is from 0 to 16777215.

POAP USB Support

USB support for PowerOn Auto Provisioning (POAP) is now available on Cisco Nexus 3000 Series switches.

Command Changes for ip pim spt-threshold infinity

command. You can now specify up to 500 sequence lines in a route map.

LLDP MIB Support

Support for LLDP MIBs is now available on Cisco Nexus 3000 Series switches.

MAU MIB Support

Limited support for MAU MIBs is now available on Cisco Nexus 3000 Series switches.

Upgrade Guidelines

for details about how to work around this issue.

Note This restriction does not apply to Cisco NX-OS Release 5.0(3)U3(2a) and Cisco NX-OS Release 5.0(3)U3(2).

In Cisco NX-OS Release 5.0(3)U3(1), support for IPv6 has been added in CoPP. To enable redirection of IPv6 control packets to the CPU, IPv6 CoPP must be configured on the system. Performing the write erase command on a device running Release 5.0(3)U3(1) automatically applies CoPP on the device and ensures that all IPv4 and IPv6 related CoPP configuration is setup correctly.

If you upgrade from a Cisco NX-OS release that does not support the CoPP feature to a release that does support the CoPP feature, you must run the setup utility after the upgrade to enable CoPP on the device.

If you upgrade from Cisco NX-OS Release 5.0(3)U2(2) (which supports the CoPP feature) to Cisco NX-OS Release 5.0(3)U3(1) (which adds CoPP classes for IPv6 support), you must run the setup script to enable the IPv6 CoPP feature on the device.

Limitations

There are no known limitations for Cisco NX-OS Release 5.0(3)U4(1).

Caveats

Open and resolved caveat record numbers are provided with links to the Bug Toolkit where you can find details about each caveat.

This section includes the following topics:

- Resolved Caveats in NX-OS Release 5.0(3)U4(1)

- Open Caveats in Release 5.0(3)U4(1)

- Open Caveats in Release 5.0(3)U3(2b)

Resolved Caveats in NX-OS Release 5.0(3)U4(1)

lists descriptions of resolved caveats in Cisco NX-OS Release 5.0(3)U4(1). The record ID links to the Cisco Bug Toolkit where you can find details about the caveat.

Table 1-4 Cisco NX-OS Release 5.0(3)U4(1)—Resolved Caveats

Record Number

Resolved Caveat Headline

CSCtx36481

On a Cisco Nexus 3000 or Cisco Nexus 5000 switch, FHRP vIP cannot be reached from a private VLAN host

CSCtz75694

Flapping the fourth port of a 40G fiber-optic link flaps all ports between a Cisco Nexus 3064-X and a Cisco Nexus 3016.

CSCtz92050

On a Cisco Nexus 3016 switch, port instability occurs in QSFP to SFP+ in a topology with fiber splitting cables.

CSCua09749

Cisco Nexus 3064-E port goes to err disabled state when one of the QSFP ports is shut.

CSCua42621

After flapping or reload occurs on a Cisco Nexus 3064-X switch, SFP-10G-LR and SFP-10G-ER SFP+ modules sometimes remain in link down state.

CSCua48890

Interface input packet counter value is doubled when sending jumbo packets.

CSCua74854

A short loop occurs when Layer 2 port-channel members come up.

CSCua80863

40G link between Cisco Nexus 3064 and E-Cisco Nexus 3016 not coming up.

CSCub02076

Led remains amber on Cisco Nexus 3016 & Cisco Nexus 3064-E when Small Form-Factor Pluggable (SFP) device is inserted.

CSCub04634

Led issues for port 11 on Cisco Nexus 3016 in 64x10G mode.

High CPU utilization due to bcm_usd and syslogd causing protocol flaps.

Note This caveat was resolved in Cisco NX-OS Release 5.0(3)U5(1g)

Open Caveats in Release 5.0(3)U4(1)

lists descriptions of open caveats in Cisco NX-OS Release 5.0(3)U4(1). The record ID links to the Cisco Bug Toolkit where you can find details about the caveat.

Table 1-5 Cisco NX-OS Release 5.0(3)U3(2b) —Open Caveats

Record Number

Open Caveat Headline

CSCua61855

1G copper port stays up during speed mismatch.

CSCua90219

Bidirectional forwarding detection (BFD) neighbor toggles between up and down state when the neighbor's interface is brought up.

CSCub12328

.

CSCub42739

Only 4 user-defined ACEs can be added to a CoPP class-map or copp-ipmcmiss-hiprio class.

CSCub47464

The Cisco Nexus 3048 uplink port does not come up with the GL-SX-MMD.

CSCub55490

If the source and receiver are on different switch virtual interfaces (SVIs) in the last-hop router (LHR), the (S, G) entry is not created for the link-local address aliasing group.

CSCub66729

The Multicast Source Discovery Protocol (MSDP) Source-Active (SA) cache fails on non-default VPN routing and forwarding (VRF) instance.

CSCub42649

When packets per second (PPS) is configured as 0 for a CoPP class-map, the first packet is set to the CPU. All other packets are dropped for that class-map.

CSCub86384

Errors occur while applying SNMP configuration after POAP.

CSCub80210

Python transfer() function to the http server fails in default VRF.

CSCub89680

1G links go down on Cisco Nexus 3064-X and Cisco Nexus 3064-E switches after downgrading from Release 5.0(3)U4(1) to Release 5.0(3)U3(2a).

CSCub89134

2-tuple is not displayed in incompatibility check.

Open Caveats in Release 5.0(3)U3(2b)

lists descriptions of open caveats in Cisco NX-OS Release 5.0(3)U3(2b). The record ID links to the Cisco Bug Toolkit where you can find details about the caveat.

Table 1-6 Cisco NX-OS Release 5.0(3)U3(2b) —Open Caveats

Record Number

Open Caveat Headline

CSCtz75692

On a Cisco Nexus 3064-X switch, 1G port goes down when swapping cables.

CSCua28616

When adding a QSFP transceiver to a Cisco Nexus 3064-E switch, the QSFP ports remain in SFP not inserted mode.

CSCua36472

On a Cisco Nexus 3064-X switch, the link remains up even with a speed mismatch.

CSCua36472

Link stays when there is a speed mismatch on 1GB fibre link with Cisco Nexus 3064-X switch.

CSCua43397

Ethpc core file generated during install when upgrading from NX-OS Release 5.0(3)U3(2) to NX-OS Release 5.0(3)U3(2a).

CSCua85354

Cisco Nexus 3064-E link flapping with auto-negotiation.

CSCub09740

Different behavior is seen between Cisco Nexus 3064-X & Cisco Nexus 3064-E with negotiate-auto.

Related Documentation

Documentation for the Cisco Nexus 3000 Series Switch is available at the following URL:

The documentation set is divided into the following categories:

Release Notes

The release notes are available at the follwing URL:

Installation and Upgrade Guides

The installation and upgrade guides are available at the following URL:

Command References

The command references are available at the following URL:

Technical References

The technical references are available at the following URL:

Configuration Guides

The configuration guides are available at the following URL:

Error and System Messages

The system message reference guide is available at the following URL:

Documentation Feedback

. We appreciate your feedback.

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