Cabling Solutions for Extreme X670 Series Switch Data Center Deployment

Cabling Solutions for Extreme X670 Series Switch Data Center Deployment

Posted on by FS.COM

Data centers today demand highly virtualized, converged, and scalable infrastructure. Cloud computing is driving the need for simplicity and cost efficiency from the network fabric. With Extreme’s Open Fabric solution, using its flagship BlackDiamond X8 platform for the data center core and the Summit X670 for the top of the server rack, then a data center switching plan that embraces standards and partnerships to take customers to the cloud. How to deploy this data center? Cabling solutions for the above deployment may be provided in this article.

Extreme X670 Series Switches Overview
The Summit X670 series switches are purpose-built top-of-rack switches designed to support emerging 10 Gigabit Ethernet-enabled servers in enterprise and cloud data centers, which is available in Summit X670V and Summit X670 two models. The Summit X670-48x and Summit X670V-48x both have 48 SFP+ ports support dual interface speeds of Gigabit Ethernet and 10-Gigabit Ethernet. SFP+ ports can accept both gigabit SFP and 10 gigabit SFP, and depending upon the pluggable optics you choose, SFP+ modules can work in both modes. The difference between them is that Summit X670V model provides a slot for the optional VIM4-40G4X module. Unlike Summit X670V-48x, the Summit X670V-48t has 48 100/1000/10000 BASE-T copper ports and 4 fiber combo ports that support dual interface speeds of Gigabit Ethernet and 10-Gigabit Ethernet.

Extreme X670

VIM4-40G4X Module for the Summit X670 Switch
The Summit X670V model provides a VIM4 slot for the optional VIM4-40G4X module. The VIM4-40G4X module (shown in the figure below) supports four QSFP+ optics, and supports up to four ports of 40 GbE. 40 GbE QSFP+ ports can accept QSFP+ passive and active cables, as well as QSFP+ transceivers. Each 40 GbE port can be configured as a 40 GbE port or as four 10 GbE ports. Thus with the VIM4- 40G4X module, Summit X670V can support up to 64 ports of 10 Gigabit Ethernet in a 1RU form factor. Besides, the 10 GbE port mode can be supported by a 40GBASE-SR4 QSFP+ transceiver and fan-out optical cables, and is compatible with the 10GBASE-SR optical interface for distances up to 100 meters.

VIM4-40G4X

Cabling Solutions for Extreme X670 Fat-Tree Architecture 40G Uplinks Deployment
The Summit X670V model can support an additional four QSFP+ ports of 40 GbE with the optional VIM4-40G4X module. With this option, you can maximize the number of interfaces for servers up to 48 ports while using the dedicated four-port 40 GbE module for uplink connectivity. The following picture shows Extreme X670 series ToR switches together with Extreme BlackDiamond X8 switches in the Fat-Tree architecture data center 40G uplinks deployment.

Cabling Solutions for Extreme X670
Fat-Tree architecture is typically implemented in large data center. In this architecture, we can see that the Extreme X670 serves as access ToR switches and the BlackDiamond X8 serves as the interconnection switches. All access switches are connected to servers in either end-of-row (EoR) or top-of-rack (ToR) design. In this 40G uplinks ToR deployment, we usually use MTP fiber trunk cables to connect each interconnection switch to smaller access switches placed in each cabinet. Within each cabinet, the ToR switches connect directly to the servers in that cabinet using point-to-point copper cabling often via direct attach SFP+ twinaxial cable assemblies, SFP+ active optical cable assemblies or RJ45 modular patch cords.

Item Number Item Name MFG PART# Description
1 10G SFP+ DAC 10304 1m Extreme Networks 10304 10G SFP+ Passive Direct Attach Copper Twinax Cable
10305 3m Extreme Networks 10305 10G SFP+ Passive Direct Attach Copper Twinax Cable
10306 5m Extreme Networks 10306 10G SFP+ Passive Direct Attach Copper Twinax Cable
2 10G RJ45 Cable CAT6-UTP Category 6 Twisted Pair Cables
FS-CAT7 Category 7 Twisted Pair Cables
3 QSFP+ Transceiver 10319 Extreme Networks 10319 40GBASE-SR4 QSFP+ 850nm 150m DOM Transceiver
4 24-Fiber MTP Cable FS24OM3-4MPO-x 24 Fibers 10G OM3 MTP Trunk Cable 3.0mm LSZH/Rise
FS24OM4-4MPO-x 24 Fibers 10G OM4 MTP Trunk Cable 3.0mm LSZH/Rise
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