Network Interconnection for Cisco Nexus 6004 Switch
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Network Interconnection for Cisco Nexus 6004 Switch

Posted on by FS.COM

Cisco Nexus 6000 series switches can provide high-density 10 and 40 Gigabit Ethernet in an energy-efficient, compact form factor. They features the benefits of offering high performance, saving space and capital expenditures. This article will introduce one of these switches – Cisco Nexus 6004 switch.


The Cisco Nexus 6004 switch, with up to 384 x 10Gbps or 96 x 40Gbps ports, is a 4 four-rack-unit (4RU) 10 and 40 Gigabit Ethernet switch. The Cisco Nexus 6004 can support up to 384 SFP+ connectivity over breakout cables. Each port on the chassis can operate in either 1 x 40 Gigabit Ethernet or 4 x 10 Gigabit Ethernet mode. The Cisco Nexus 6004 is also equipped with four expansion modules to accommodate network growth. And the expansion modules provide 12x40Gbps ports and FCoE (Fibre Channel over Ethernet) ports using a Quad Small Form-Factor Pluggable (QSFP) interface. With all four expansion modules installed, the Cisco Nexus 6004 supports 96 x 40G connectivity.


Transceiver and Cabling Options

Usually high-bandwidth Gigabit Ethernet connectivity may bring transmission challenges. However, the Cisco Nexus 6004 switch can support numerous 10G and 40G Ethernet connectivity options using 40G QSFP+ transceivers such as QSFP-40G-SR4, QSFP-40G-CSR4 and breakout cable options (as shown in the following figure).

Cisco-6004 -connections

For short link, Cisco Nexus 6004 switches can support 40G direct attach copper (DAC) cables integrating QSFP connectors into an energy-efficient, low-cost, and low-latency solution. FS.COM supplies Cisco compatible 40G QSFP+ DAC cables including passive (lengths up to 7m) and active cables (lengths up to 10m). In addition to the QSFP+ to QSFP+ DACs, FS.COM also offers the QSFP+ to 4 x SFP+ breakout DACs which are ideal for Cisco device user to run 40G over existing traditional 10G backbones.

For longer links, 40G active optical cable (AOC) can be chosen for supporting Cisco Nexus 6004 switches cabling network. FS.COM offers Cisco compatible 40G QSFP+ to QSFP+ (lengths up to 100m)and QSFP+ to 4 x SFP+ breakout AOC cables.

Cabling Infrastructure

As the network speed increases, data center consolidates into more complex systems. The infrastructure of the speed changing from 1G to 10G is easy to understand. But with speed increasing from 10G to 40G, the cabling infrastructure and optical technologies are required. This following will show the cabling requirements for 10G and 40G infrastructure (cabling only for transceiver modules) supporting Cisco Nexus 6004 switch.

    • 10G Connectivity In a 10G deployment infrastructure, the network equipment include Cisco Nexus 7000 series device and Cisco Nexus 6004 switch. For a 10Gbps flow between the Cisco Nexus 7000 series and the Cisco Nexus 6004, it uses an MTP module with LC jumpers. This approach provides more flexibility when patching at the SFP+ connections, especially when patching between port groups or across blades.


    • 40G Connectivity The Cisco Nexus 6004 is a high-density 10G and 40G switch. It can be an EoR (end of row) or MoR (middle of row) device, too. In this case, the Cisco Nexus 6004 can be used in both the aggregation and access layers. This configuration takes advantage of the MTP cabling and also allows full support of 40Gbps flows between the devices. The following figure shows the 40G network cabling between two Cisco Nexus 6004 Switches.



The Cisco Nexus 6004 switch is important for data center network. It is especially suitable for virtualized and cloud-based deployment. In 10G Ethernet optimized environments, the switch scales up to 384 ports of 10G Ethernet interfaces. And you can easily meet increasing demand for 40G Ethernet connectivity up to 96 QSFP+ interface ports. Fiberstore provides all these Cisco compatible 40G QSFP+ transceivers, DACs and MTP/MPO cables, patch panels for the cabling of Cisco Nexus 6004 switch. Any service please contact via

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