Cisco Nexus 3000 Series NX-OS Release Notes, Release 6.0(2)U3(5)
Cisco Nexus 3000 Series Switches
Cisco Nexus 3100 Series Switches
Twinax Cable Support on Cisco Nexus 3000 Switches
Cisco QSFP 40-Gbps Bidirectional Short-Reach Transceiver
Upgrade and Downgrade Guidelines
Upgrade Path to Release 6.0(2)U3(5)
Known Behaviors for this Release
Obtaining Documentation and Submitting a Service Request
Release Date: October 31, 2014
Current Release: Cisco NX-OS Release 6.0(2)U3(5)
This document describes the features, bugs, and limitations for Cisco Nexus 3000 Series and Cisco Nexus 3100 Series switches. Use this document in combination with documents listed in the “Obtaining Documentation and Submitting a Service Request” section.
Note Release notes are sometimes updated with new information about restrictions and bugs. See the following website for the most recent version of the Cisco Nexus 3000 Series release notes: http://www.cisco.com/c/en/us/support/switches/nexus-3000-series-switches/products-release-notes-list.html
Note Table 1 shows the online change history for this document.
Several new hardware and software features are introduced for the Cisco Nexus 3000 Series and Cisco Nexus 3100 Series devices to improve the performance, scalability, and management of the product line. Cisco NX-OS Release 6.x also supports all hardware and software supported in Cisco NX-OS Release 5.1 and Cisco NX-OS Release 5.0.
Cisco NX-OS 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 Cisco NX-OS software.
For information about the Cisco Nexus 3000 Series, see the Cisco Nexus 3000 Series Hardware Installation Guide.
The Cisco Nexus 3100 Series switches are high-performance, high-density, ultra-low-latency Ethernet switches that provide line-rate Layer 2 and Layer 3 switching. In Cisco NX-OS Release 6.0(2)U2(2), the Cisco Nexus 3100 Series includes the Cisco Nexus 3132 and Nexus 3172 switches.
The Cisco Nexus 3172PQ switch is a 10-Gbps Enhanced Small Form-Factor Pluggable (SFP+)–based ToR switch with 48 SFP+ ports and 6 Enhanced Quad SFP+ (QSFP+) ports.
The Cisco Nexus 3172TQ switch is a 10GBASE-T switch with 48 10GBASE-T ports and 6 Quad SFP+ (QSFP+) ports.
Each SFP+ port can operate in 100-Mbps, 1-Gbps, or 10-Gbps mode, and each QSFP+ port can operate in native 40-Gbps or 4 x 10-Gbps mode. This switch is a true physical-layer-free (phy-less) switch that is optimized for low latency and low power consumption.
The Cisco Nexus 3132 switch is a 1RU, 40-Gbps QSFP-based switch that supports 32 fixed 40-Gbps QSFP+ ports. It also has 4 SFP+ ports that can be internally multiplexed with the first QSFP port. Each QSFP+ port can operate in the default 40-Gbps mode or 4 x 10-Gbps mode, up to a maximum of 104 10-Gbps ports.
Each switch includes dual redundant power supply units, four redundant fans, one 10/100/1000 management port, and one console port. Each switch can be ordered with either forward (port-side exhaust) airflow or reverse (port-side intake) airflow for cooling. It supports both AC and DC power supplies. All combinations of power (AC/DC) and airflow (forward/reverse) are available. The Cisco Nexus 3100 Series switches run the Cisco NX-OS software.
For information about the Cisco Nexus 3100 Series, see the Cisco Nexus 3000 Series Hardware Installation Guide.
This section includes the following topics:
Cisco NX-OS Release 6.0(2)U3(5) 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 2 shows the hardware supported by the Cisco NX-OS Release 6.x software. Table 3 shows the hardware supported by the Cisco NX-OS 5.x releases.
Table 4 shows the transceivers supported by the Cisco NX-OS Release 6.x software. Table 5 shows transceivers supported by the Cisco NX-OS 5.x releases.
Table 2 Hardware Supported by Cisco NX-OS Release 6.x Software
X1 |
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Cisco Nexus 3048 fan module with forward airflow (port-side exhaust) |
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Cisco Nexus 3048 fan module with 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 500 W reverse airflow (port side intake) AC 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 with forward airflow (port-side exhaust); also used in the Cisco Nexus 3016 |
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Cisco Nexus 3064 fan module with reverse airflow (port-side intake); also used in the Cisco Nexus 3016 |
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Cisco Nexus 3000 power supply with forward airflow (port-side exhaust) |
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Cisco Nexus 3000 power supply with reverse airflow (port-side intake) |
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Cisco Nexus 2000 power supply with forward airflow (port-side exhaust) |
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Cisco Nexus 2000 DC power supply with reverse airflow (port-side intake) |
Transceivers
2
|
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40GBASE-CR4 QSFP+ direct-attach copper cable, 7 meters active |
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40GBASE-CR4 QSFP+ direct-attach copper cable, 8 meters active |
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40GBASE-CR4 QSFP+ direct-attach copper cable, 9 meters active |
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QSFP-4x10G-AC7M3 |
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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 multifiber push-on (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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40GBASE-LR4 QSFP transceiver module with LC connector 10 km (using single mode fiber) |
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Cisco QSFP to SFP/SFP+ Adapter (QSA) module with 10GBASE-DWDM |
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10GBASE-DWDM long-range transceiver module 80 km with single mode duplex fiber |
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10GBASE-DWDM long-range transceiver module 80 km with single mode duplex fiber |
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10GBASE-ZR SFP+ module (single-mode fiber [SMF])4 |
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-CU2M5 |
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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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GLC-SX-MMD6 |
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GLC-BX-D 4 |
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GLC-BX-U 4 |
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GLC-LH-SM 4 |
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GLC-LH-SMD 4 |
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GLC-SX-MM 3 |
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GLC-SX-MMD 5 |
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1000BASE-T SFP7 |
GLC-T 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-100FX8 |
10-2019-02 5 |
QSFP-4x10G-AC7M9 |
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QSFP-4x10G- |
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QSFP-H40G- |
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QSFP-H40G- |
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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 |
|||||||
10GBASE-ZR SFP+ module (single-mode fiber [SMF])10 |
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- |
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10GBASE-CU SFP+ cable 2.5 m (Twinax cable) 3 |
SFP-H10GB- |
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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 SFP12 |
GLC-T 4 |
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GLC-SX-MM 3 |
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GLC-SX-MMD 5 |
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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-100FX13 |
10-2019-02 5 |
9.Supported on the Cisco Nexus 3016, Cisco Nexus 3064-X, Cisco Nexus 3064-TQ, 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 Series 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. The Cisco NX-OS 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.
The Cisco QSFP 40-Gbps Bidirectional (BiDi) transceiver is a short-reach pluggable optical transceiver with a duplex LC connector for 40-GbE short-reach data communications and interconnect applications by using multimode fiber (MMF). The Cisco QSFP 40-Gbps BiDi transceiver offers a solution that uses existing duplex MMF infrastructure for 40-GbE connectivity. With the Cisco QSFP 40-Gbps BiDi transceiver, customers can upgrade their network from 10-GbE to 40-GbE without incurring any fiber infrastructure upgrade cost. The Cisco QSFP 40-Gbps BiDi transceiver can enable 40-GbE connectivity in a range of up to 100 meters over OM3 fiber, which meets most data center reach requirements. It complies with the Multiple Source Agreement (MSA) QSFP specification and enables customers to use it on all Cisco QSFP 40-Gbps platforms and achieve high density in a 40-GbE network. It can be used in data centers, high-performance computing (HPC) networks, enterprise and distribution layers, and service provider transport applications.
This section describes the new features introduced in Cisco NX-OS Release 6.0(2)U3(5). This section includes the following topics:
All Cisco Nexus 3000 Series switches are supported by Cisco NX-OS Release 6.0(2)U3(5). Cisco NX-OS interoperates with any networking operating system, including Cisco IOS software, that conforms to the networking standards listed in the product data sheet.
Cisco NX-OS Release 6.0(2)U3(5) does not include new software features.
Ensure that you use the install all command to upgrade the switch software from one Cisco NX-OS release to another.
Cisco Nexus 3000 Series switches that use software versions older than Cisco NX-OS Release 5.0(3)U5(1) need to be updated to Cisco NX-OS Release 5.0(3)U5(1) before they are upgraded to Cisco NX-OS Release 6.0(2).
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 It is recommended that you upgrade to Cisco NX-OS Release 6.0(2)U3(5) by using Cisco NX-OS install procedures.
In Cisco NX-OS Release 5.0(3)U3(1), support for IPv6 has been added in Control Plane Policing (CoPP). To enable redirection of IPv6 control packets to the CPU, you must configure IPv6 CoPP on the system. Entering the write erase command on a device that runs Release 5.0(3)U3(1) automatically applies CoPP on the device and ensures that all IPv4 and IPv6-related CoPP configuration is set up 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.
In Cisco NX-OS Release 6.0(2)U2(2), the default interface name in LLDP MIB is in short form. To make it long form, you must set lldp portid-subtype to 1. In Cisco NX-OS Release 6.0(2)U2(3), this behavior was reversed. The default interface name in LLDP MIB is now in long form. To make it short form, you must set lldp portid-subtype to 0.
If you have set lldp port-subtype to 1 and you are upgrading to Cisco NX-OS Release 6.0(2)U2(4), ensure that you set lldp port-subtype to 0.
The following are the known limitations for Cisco NX-OS Release 6.0(2)U3(5):
To provide the priority level 3 queue with some bandwidth, apply max shaper values, which are less than the total port bandwidth on priority level 1 and priority level 2 queues. (See CSCum99198
– Breakout or breakin takes 2-3 minutes if it is done on all QSFP ports simultaneously using the interface range command.
This does not have a workaround.
– Running the speed 40000 command on an interface range of ports to breakin to 40G mode displays an error message:
Interface ranges such as interface ethernet1/49-54 are not supported on QSFP ports with breakout mode. It will behave inconsistently if used. This is applicable for Cisco Nexus 3132, 3172PQ and 3172TQ switches.
However, interface range can be used as follows:
To get back to the 40G breakin mode, run the speed 40000 command on the QSFP ports.
The open and resolved bugs for this release are accessible through the Cisco Bug Search Tool. This web-based tool provides you with access to the Cisco bug tracking system, which maintains information about bugs and vulnerabilities in this product and other Cisco hardware and software products.
Note You must have a Cisco.com account to log in and access the Cisco Bug Search Tool. if you do not have one, you can register for an account.
For more information about the Cisco Bug Search Tool, see the Bug Search Tool Help & FAQ.
This section includes the following topics:
Table 6 lists descriptions of resolved bugs in Cisco NX-OS Release 6.0(2)U3(5). You can use the record ID to search the Cisco Bug Search Tool for details about the bug.
Table 7 lists descriptions of open bugs in Cisco NX-OS Release 6.0(2)U3(5). You can use the record ID to search the Cisco Bug Search Tool for details about the bug.
Table 7 Cisco NX-OS Release 6.0(2)U3(5) —Open Bugs
Large core files are split into 3 or more files. For example:
To decode the multiple core files, first club the files to a single file as demonstrated below:
$ cat 1405964207_0x101_fwm_log.3679.tar.gz* > 1405964207_0x101_fwm_log.3679.tar.gz
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:
ftp://ftp.cisco.com/pub/mibs/supportlists/nexus3000/Nexus3000MIBSupportList.html
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 following 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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