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This chapter provides an overview of the Cisco Nexus 6000 Series switches. The overview includes information on the expansion modules, power supplies, and fan modules that you can include with the switches. This chapter describes the Cisco Nexus 6000 Series switches and includes the following sections:
This section describes the Cisco Nexus 6001 switches (N6K-C6001-64P and N6K-C6001-64T) and their components. This section includes the following topics:
The Cisco Nexus 6001 Switch is a compact 1RU (1 Rack Unit), high-performance, low-latency 10/40-Gigabit Ethernet and Fibre Channel over Ethernet (FCoE) switch. It runs the industry-leading Cisco NX-OS Software operating system, providing features and capabilities that are widely deployed. There are two versions of the device, a Small Form-Factor Pluggable (SFP+) version (N6K-C6001-64P) and a 10G BASE-T (N6K-C6001-64T) version.
The Cisco Nexus 6001 switch has the following features:
The Cisco Nexus 6001 switch chassis is 1 RU, 1.75 inches (4.4 cm) tall, 17.3 inches (43.9 cm) wide, and 30 inches (76.2 cm) deep. The front of the switch is shown in Figure 1-1.
Figure 1-1 Front View of the Cisco Nexus 6001 switch
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The rear of the Cisco Nexus 6001 switch chassis, is shown in Figure 1-2.
Figure 1-2 Rear View of the Cisco Nexus 6001 switch
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The Cisco Nexus 6001 switch uses a front-end power supply. The chassis has slots for two redundant power supplies. Power Supply options need to be configured with the base chassis. It needs minimum of one power supply to operate. OIR is supported on the power supplies and the power supplies are hot swappable. The Cisco Nexus 6001 supports front-to-back (port-side exhaust) and back-to-front airflow (port-side intake). Table 1-1 lists the power supplies that you can order with a Cisco Nexus 6001 switch.
Note The 1100 W, AC/DC, back-to-front, power supply (PID: N55-PAC-1100W-B) is not supported on the N6K-C6001-64T.
Note The Cisco Nexus 6001 AC power supplies support both 110 and 220-volt (V) inputs.
The Cisco Nexus 6001 has three individual fan modules supporting four fans per module. Fan modules are hot-swappable. Fan modules operate in a 2+1 redundancy mode. If a fan fails, the unit can run indefinitely with only 3 operational fans. Fan options need to be configured with the base chassis. The Cisco Nexus 6001 switch supports front-to-back and back-to-front airflow.OIR is supported on the fan tray. Table 1-2 lists the fans that you can order with a Cisco Nexus 6001 switch.
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Cisco Nexus 6001 Fan Module, Front-to-Back (Port Side Exhaust) Airflow, spare |
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Cisco Nexus 6001 PSU module, 100-240VAC 1100W, Back-to-Front (Port Side Intake) Airflow, Spare |
The Cisco Nexus 6001 supports a wide variety of 1, 10, and 40 Gigabit Ethernet connectivity options. This section includes the following topics:
Note The platform supports a Twinax copper cabling solution that connects to standard QSFP connectors for in-rack use, and optical cabling for longer cable runs:
For in-rack or adjacent-rack cabling, the Cisco Nexus 6001 supports QSFP+ direct-attach 40 Gigabit Ethernet copper cables, an innovative solution that integrates transceivers with Twinax cables into an energy-efficient, low-cost, and low-latency solution. QSFP+ direct-attach 40 Gigabit Twinax copper cables use only 1.5 watt (W) of power per transceiver and introduce approximately 0.1 microsecond of latency per link.
|For longer cable runs, the Cisco Nexus 6001 supports multimode, short-reach optical QSFP+ transceivers. These optical transceivers use approximately 1.5W per transceiver and have a latency of approximately 0.1 microsecond.
This section describes the Cisco Nexus 6004 Switches (N6K-C6004-96Q and N6004-B-24Q) and their components. This section includes the following topics:
The Cisco Nexus 6004 offers the industry’s highest 10 and 40 Gigabit Ethernet and Fibre Channel over Ethernet (FCoE) port density in a compact energy-efficient form factor, with integrated Layer 2 and Layer 3 features at wire speed and low latency of approximately 1 microsecond for any packet size. With a choice of front-to-back or back-to-front airflow options, the switch is designed for a broad range of traditional data center and large-scale virtualized cloud deployments. The Cisco Nexus 6004 switches are 4RU switches. The N6K-C6004-96Q is a 96-port,10/40-Gigabit Ethernet and Fibre Channel over Ethernet (FCoE) switch and has the following features:
The Cisco Nexus 6004 Extensible Fixed (EF) version (N6004-B-24Q) offers eight line-card expansion module (LEM) slots to support a total of 96 ports of 40 Gbps throughput in a fully populated system. It provides low-cost entry point for small-scale deployments. Each LEM supports 12 ports of 40 Gigabit Ethernet in a QSFP form factor. Each 40 Gigabit Ethernet port can also be split into four line-rate 10 Gigabit Ethernet ports using QSFP breakout cables. this Cisco Nexus 6004 chassis along with the LEMs offers incredible flexibility for scaling deployments, making it the only fully extensible fixed 10 and 40 Gigabit Ethernet platform in the industry.
The Cisco Nexus 6004 switch chassis is 4 RU, 6.97 inches (17.7 cm) tall, 17.3 inches (43.9 cm) wide, and 30 inches (76.2 cm) deep.
It is designed to be mounted in a standard 19-inch wide rack. The front of the switch, shown in Figure 1-3, has a console management port and USB port, six power supplies, and four fan modules.
Figure 1-3 Front View of the Cisco Nexus 6004 switch
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Note The fans and power supplies need to be configured.
The rear of the Cisco Nexus 6004 switch (N6K-C6004-96Q) chassis, shown in Figure 1-4, has 48 fixed 10/40-Gigabit Ethernet ports, and four slots for expansion modules.
Figure 1-4 Rear View of the Cisco Nexus 6004 Switch (N6K-C6004-96Q)
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The rear of the Cisco Nexus 6004 switch (N6004-B-24Q) chassis, shown in Figure 1-5, has 8 removable line-card expansion module (LEM) slots to support a total of 96 ports of 40 Gbps.
Figure 1-5 Rear View of the Cisco Nexus 6004 Switch (N6004-B-24Q)
Expansion modules allow the Cisco Nexus 6004 switch to be configured as a cost-effective 10/40/100-Gigabit Ethernet switch and as an I/O consolidation platform with native Fibre Channel connectivity.
The Cisco Nexus 6004EF switch has eight slots, and the Cisco Nexus 6004 switch has four slots, that can be used for the following expansion modules:
You can hot swap the expansion modules during operations.
The Cisco Nexus 6004-M12Q expansion module provides up to twelve 40 Gigabit Ethernet and FCoE ports for the Cisco Nexus 6004EF switch.
Figure 1-6 shows the N6004-M12Q expansion module.
Figure 1-6 12 Port 40 Gbps Linecard Expansion Module
Note The Cisco Nexus N6004-M12Q LEM is supported from Cisco NX-OS Release 7.0(4)N1(1).
The Unified Port LEM (N6004X-M20UP) for the Cisco Nexus 6004EF switch provides up to twenty 1/10 Gigabit Ethernet and FCoE ports using the SFP+ interface or up to twenty ports of native Fibre Channel connectivity using 8/4/2-Gbps SFP+ and SFP interfaces. The use of 1/10 Gigabit Ethernet or 8/4/2-Gbps Fibre Channel on a port is mutually exclusive but can be selected for any of the twenty physical ports per module.
Note The Cisco Nexus N6004X-M20UP LEM is supported from Cisco NX-OS Release 7.0(1)N1(1).
The Cisco Nexus 5696-M4C LEM is a 4-port 100G LEM that provides 100 Gigabit Ethernet ports for the Cisco Nexus 6004EF switch. Each 5696-M4C offers 4 CXP optical module connections, which provide a total bandwidth of 400Gbps. The port interface supports CXP optical PMD modules such as CXP-100G-SR10 and CXP-100G-SR12. You can configure a total of 8 100G LEM modules in a Cisco Nexus 6004EF switch to provide a total of 32 CXP 100 Gigabit Ethernet connections.
Figure 1-7 4 Port 100Gbps Linecard Expansion Module
Note The Cisco Nexus 5696-M4C LEM requires a minimum of 4 operating power supplies when installed.
Note The Cisco Nexus 5696-M4C LEM is supported from Cisco NX-OS Release 7.1(0)N1(1b) and BIOS version 2.8.0 (included in the Cisco NX-OS release).
All the individual ports on the Cisco Nexus 6004 switch are numbered and groups of ports are numbered based on their function. Depending on how it is configured, there are 96 ports on the Cisco Nexus 6004 switch. The ports are numbered from top-to-bottom and from left-to-right. The fixed ports are grouped together and the modular ports are grouped together.
For the M4C LEM, port 1 and 2 are on the left and port 3 and 4 are on the right.
Figure 1-8 shows how ports are numbered and grouped by function.
Figure 1-8 Port Numbering of the Cisco Nexus 6004 switch
The Cisco Nexus 6004 switch uses a front-end power supply. The chassis has slots for six power supplies. Table 1-3 lists the power supplies that you can order with the Cisco Nexus 6004 N6K-C6004-96Q and N6004-B-24Q switches.
Figure 1-9 shows a Cisco Nexus 6004 Power Supply. You can see the Cisco Nexus 5000 Series Hardware Installation Guide for details about the power supplies.
Figure 1-9 Cisco Nexus 6004 Power Supply
Note Never leave a power supply slot empty. If you remove a power supply, replace it with another one. If you do not have a replacement power supply, leave the non functioning one in place until you can replace it.
The Cisco Nexus 6004 switch has four fan modules. Although the switch can function when a fan stops functioning within a fan module, if a whole fan module stops functioning, you must replace the fan module. The Cisco Nexus 6004 switch supports the front to back airflow (N6K-C6004-FAN-F) and back to front airflow (N6K-C6004-FAN-B).
Note On a Cisco Nexus 6004 Extensible Fixed Switch, if you upgrade from an earlier release to Cisco NX-OS Release 7.1(4)N1(1) or later, the fan speed on all fans will increase and it will operate at 100%. This is according to the design and will not have any longevity issues.
Figure 1-10 shows a fan module.
Figure 1-10 Cisco Nexus 6004 Fan Module
The bicolor status LED indicates fan tray health. Green indicates normal operation, while amber indicates a fan failure. For more information about LEDs, see Table D-1 .
Power supplies and fan modules should be selected depending on the desired air flow direction.
Figure 1-11 shows a fan module
The Cisco Nexus 6004 series switch supports a wide variety of 10 and 40 Gigabit Ethernet connectivity options using Cisco 40GBASE QSFP and breakout cable options.
The Cisco Nexus 6004 switch also supports the following QSFP transceivers:
Note For in-rack or adjacent-rack cabling, the Cisco Nexus 6004 platform supports QSFP+ direct-attach 40 Gigabit Ethernet copper cables, an innovative solution that integrates transceivers with Twinax cables into an energy-efficient, low-cost, and low-latency solution. QSFP+ direct-attach 40 Gigabit Ethernet Twinax copper cables use only 1.5 watts (W) of power per transceiver and introduce less than 0.1 microsecond of latency per link. For longer cable runs, the Cisco Nexus 6004 platform supports multimode, short-reach optical QSFP transceivers. These optical transceivers use approximately 1.5W per transceiver and have a latency of less than 0.1 microsecond.