Cisco Nexus 3000 Series NX-OS Release Notes, Release 5.0(3)U5(1c)
Cisco Nexus 3000 Series Switches
Twinax Cable Support on Cisco Nexus 3000 Switches
New Software Features in Cisco NX-OS Release 5.0(3)U5(1b)
Resolved Caveats in Cisco NX-OS Release 5.0(3)U5(1c)
Open Caveats in Cisco NX-OS Release 5.0(3)U5(1c)
Obtaining Documentation and Submitting a Service Request
Release Date: February 20, 2013
Part Number: OL-28183-04 B0
Current Release: Cisco NX-OS Release 5.0(3)U5(1c)
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.
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:
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:
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.
For information about the Cisco Nexus 3000 Series, see the Cisco Nexus 3000 Series Hardware Installation Guide.
This section includes the following topics:
Cisco NX-OS Release 5.0(3)U5(1c) supports the Cisco Nexus 3000 Series switches. You can find detailed information about supported hardware in the Cisco Nexus 3000 Series Hardware Installation Guide.
Table 1-2 shows the hardware supported by Cisco NX-OS Release 5.0(3) software.
Table 1-3 shows the transceivers supported by Cisco NX-OS Release 5.0(3) software.
X1 |
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Cisco Nexus 3048 fan module, Forward airflow (port-side exhaust) |
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Cisco Nexus 3048 fan module, Reverse airflow (port-side intake) |
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Nexus 3064-T 500W forward airflow (port side exhaust) AC power supply |
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Nexus 3064-T 500W reverse airflow (port side intake) AC power supply |
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Nexus 3064-T 400W forward airflow (port side exhaust) DC power supply |
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Nexus 3064-T 350W reverse airflow (port side intake) DC power supply |
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Cisco Nexus 3064-X forward airflow (port-side exhaust), AC power supply |
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Cisco Nexus 3064-X reversed airflow (port-side intake), AC power supply |
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Cisco Nexus 3064-X forward airflow (port-side exhaust), DC power supply |
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Cisco Nexus 3064-X forward airflow (port-side intake), DC power supply |
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Cisco Nexus 3064 fan module, Forward airflow (port-side exhaust); also used in the Cisco Nexus 3016 |
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Cisco Nexus 3064 fan module, Reverse airflow (port-side intake); also used in the Cisco Nexus 3016 |
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Cisco Nexus 3000 power supply, Forward airflow (port-side exhaust) |
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Cisco Nexus 3000 power supply, Reverse airflow (port-side intake) |
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Cisco Nexus 2000 power supply, Forward airflow (port-side exhaust) |
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Cisco Nexus 2000 DC power supply, Reverse airflow (port-side intake) |
QSFP-4x10G-AC7M2 |
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QSFP-4x10G-AC10M 1 |
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QSFP-H40G-ACU7M 1 |
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QSFP-H40G-ACU10M 1 |
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40GBASE-CSR4 QSFP transceiver module with mpo connector 300 m |
QSFP-40G-CSR4 1 |
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40GBASE-CSR4 QSFP transceiver module with mpo connector 300 m (using fiber splitter cables) |
QSFP-40G-CSR4 1 |
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40GBASE-SR4 QSFP transceiver module with mpo connector 100 m |
QSFP-40G-SR4 1 |
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40GBASE-SR4 QSFP transceiver module with mpo connector 100 m (using fiber splitter cables) |
QSFP-40G-SR4 1 |
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10GBASE-ZR SFP+ module (single-mode fiber [SMF])3 |
SFP-10G-ZR 2 |
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10GBASE-DWDM SFP+ module (single-mode fiber [SMF]) 2 |
10-2767-01 2 |
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10GBASE-CU SFP+ cable 2 m (Twinax cable) 3 |
SFP-H10GB-CU2M4 |
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10GBASE-CU SFP+ cable 2.5 m (Twinax cable) 3 |
SFP-H10GB-CU2-5M 3 |
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SFP-10G-AOC1M 4 |
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SFP-10G-AOC3M 4 |
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SFP-10G-AOC5M 4 |
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SFP-10G-AOC7M 4 |
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1000BASE-T SFP5 |
GLC-T 4 |
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GLC-SX-MM 3 |
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GLC-LH-SM 4 |
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GLC-LH-SMD 4 |
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GLC-BX-U 4 |
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GLC-BX-D 4 |
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1000BASE-T SFP transceiver module with extended operating temperature range |
SFP-GE-T 4 |
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100BASE-FX SFP module for Gigabit Ethernet ports GLC-GE-100FX6 |
10-2019-02 5 |
2.Supported on the Cisco Nexus 3016, Cisco Nexus 3064-X, Cisco Nexus 3064-T, Cisco Nexus 3064, and Cisco Nexus 3064-E 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:
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.
This section describes the new features introduced in Cisco NX-OS Release 5.0(3)U5(1c). This section includes the following topics:
Cisco NX-OS Release 5.0(3)U3(1) does not support a software upgrade from Cisco NX-OS Release 5.0(3)U2(2c). If you want to upgrade through this path, see CSCty75328 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.
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:
Table 1-4 lists descriptions of resolved caveats in Cisco NX-OS Release 5.0(3)U5(1c). The record ID links to the Cisco Bug Toolkit where you can find details about the caveat.
Table 1-5 lists descriptions of open caveats in Cisco NX-OS Release 5.0(3)U5(1c). The record ID links to the Cisco Bug Toolkit where you can find details about the caveat.
Documentation for the Cisco Nexus 3000 Series Switch is available at the following URL:
http://www.cisco.com/en/US/products/ps11541/tsd_products_support_series_home.html
The documentation set is divided into the following categories:
The release notes are available at the follwing URL:
http://www.cisco.com/en/US/products/ps11541/prod_release_notes_list.html
Installation and Upgrade Guides
The installation and upgrade guides are available at the following URL:
http://www.cisco.com/en/US/products/ps11541/prod_installation_guides_list.html
The command references are available at the following URL:
http://www.cisco.com/en/US/products/ps11541/prod_command_reference_list.html
The technical references are available at the following URL:
http://www.cisco.com/en/US/products/ps11541/prod_technical_reference_list.html
The configuration guides are available at the following URL:
http://www.cisco.com/en/US/products/ps11541/products_installation_and_configuration_guides_list.html
The system message reference guide is available at the following URL:
http://www.cisco.com/en/US/products/ps11541/products_system_message_guides_list.html
To provide technical feedback on this document, or to report an error or omission, please send your comments to nexus3k-docfeedback@cisco.com. We appreciate your feedback.
For information on obtaining documentation, submitting a service request, and gathering additional information, see the monthly What’s New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:
http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html
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