Highlights
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. Summit X670 helps optimize new server deployments with its optional, future-proofing 40 GbE uplink support while providing seamless support from existing Gigabit Ethernetbased servers to 10 GbE-based highperformance servers to start the transition to the new virtualized environment.
Data Sheet
Summit X670 Series
Product Overview
The Summit X670 series is available in two models: Summit X670V and Summit X670. Summit X670V provides high-density for 10 Gigabit Ethernet switching in a small 1RU form factor. The switch supports up to 64 ports
in one system and 448 ports in a stacked system using high-speed SummitStack-V160, which provides 160 Gbps throughput and distributed forwarding. The Summit X670 model provides up to 48 ports in one system and up to 352 ports in a stacked system using SummitStack-V technology.
With its versatile design, the Summit X670 series provides high density Layer 2/3 switching with low latency cut-through switching, and IPv4 and IPv6 unicast and multicast routing to enable enterprise aggregation and core backbone deployment in AC-powered and DC-powered environments.
Summit X670 series simplifies network operation with the ExtremeXOS modular operating system (OS), which is used amongst all Extreme Networks Summit and BlackDiamond Ethernet switches. The high availability ExtremeXOS operating system provides simplicity and ease of operation through the use of one OS everywhere in the network.
10 Gigabit Ethernet Switching
The Summit X670 model offers 48-port 10 Gigabit Ethernet non-blocking switching with 10GBASE-X SFP+ interfaces. Summit X670 is capable of Layer 2 and Layer 3 forwarding at up to 714 million packets per second forwarding rate in a small 1RU form factor, enabling next-generation highperformance server deployment in data centers. Both models support SummitStack-V high-speed, longer distance stacking.
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SummitStack-V: Flexible Stacking Over 10 Gigabit Ethernet
SummitStack-V capability utilizes 10 GbE ports as stacking ports, enabling the use of standard cabling and optics technologies used for 10 GbE such as XFP, SFP+, 10GBASE-T and XENPAK. SummitStack-V provides longdistance stacking connectivity of up to 40 km while reducing the cable complexity of implementing a stacking solution. SummitStack-V enabled 10 GbE ports must be physically direct-connected.
40 Gigabit Ethernet Uplinks and High-Speed 160 Gbps Stacking
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 optional VIM4-40G4X provides 160 Gbps aggregated bandwidth to the backbone. Each 40 Gigabit Ethernet port can be independently configured as 40 Gigabit Ethernet or 4 x 10 Gigabit Ethernet; thus with the VIM4-40G4X module, Summit X670V can support up to 64 ports of 10 Gigabit Ethernet in a 1RU form factor and is capable of Layer 2 and Layer 3 forwarding at up to 952 million packets per second forwarding rate. This configuration provides 3:1 oversubscription from front ports (total 480 Gbps bandwidth) to uplink ports (total 160 Gbps bandwidth) and maximizes server port density.
Summit X670V together with VIM4-40G4X provides high speed stacking running at 160 Gbps through the SummitStack-V160 technology. SummitStack-V160 can be enabled on two 40 Gigabit Ethernet QSFP+ ports on the VIM4-40G4X, using half of the module’s four ports as stacking interfaces. SummitStack-V160 is compatible with
SummitStack-V80, which is available for Summit X460 and Summit X480 series switches.
Low Latency Switching for High-Frequency Trading anD Cluster Computing
Summit X670 provides sub-microsecond latency and supports cut-through switching to help optimize the high frequency trading application as well as latency sensitive cluster computing.
Green Design
The Summit X670 series is designed to be environmentally green. System power consumption is very low at both high-load and idle situations through the power-efficient hardware design.
The power supplies are also highly efficient, which minimizes the loss of power and unnecessary heat generated by the power supply. Summit X670 series switches can be used in AC or DC powered environments.
Supports Virtualized Data Centers
With the optional feature pack, Summit X670 switches can also support Direct Attach (VEPA), which eliminates the virtual switch layer, simplifying the network and improving performance. Direct Attach enables data center simplification by reducing network tiers from 4 or 5 tiers to just 3 or 2 tiers, depending on the size of the data center.
To further enhance data center operations, Summit X670 switches support XNV (ExtremeXOS Network Virtualization), which is natively supported in the ExtremeXOS operating system and is a licensable feature pack for Ridgeline, a network and service management
application, sold separately. XNV provides insight, control and automation for virtualized data centers.
Summit X670 switches also support Priority-based Flow Control (PFC, or IEEE 802.1Qbb), which allows network traffic to be controlled independently based on Class of Service. PFC allows network traffic that requires lossless throughput to be prioritized, while other traffic types that do not require or perform better without PFC can continue as normal.
Software Defined Networking (SDN)
ExtremeXOS implementations of OpenFlow APIs allow an external OpenFlow-based SDN controller to access and control the forwarding plane of ExtremeXOS network
devices. ExtremeXOS-based switches offer a programming interface through OpenFlow to enable high degree of automation in provisioning network services for many upper layer business critical applications running the OpenFlowbased SDN controller.
Extreme XOS-based switches also allow for integration with the OpenStack open source cloud computing platform for public and private clouds through the Extreme Networks Quantum plugin. The plugin provides a scalable, automated, rich API-driven system that enables networking-as-a- service model managing data center interconnect solutions and large multi-tenant networks.
Audio Video Bridging (AVB)
ExtremeXOS supports IEEE Audio Video Bridging (AVB) standards to enable reliable real-time audio and video transmissions over Ethernet, for high-definition and timesensitive multimedia streams with assigned Quality of
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Service (QoS). ExtremeXOS leverages AVB to identify and reserve network resources for A/V traffic streams and supports synchronous streaming capabilities to ensure reliable and high-quality A/V transmissions over Ethernet. AVB also enables time sensitive multimedia streams to
be sent over the Ethernet network with low latency and provides service quality for high definition information and entertainment applications.
DCB Support with Enterprise Core Class Scalability
The Summit X670 series supports Data Center Bridging features such as Priority Flow Control (PFC), Enhanced Transmission Selection (ETS) and Data Center Bridging eXchange (DCBX) for data center convergence. At the same time, the Summit X670 series offers more cost-effective
10 Gigabit Ethernet switches, for both small-sized core backbone and traditional three-tier network architectures. Summit X670 series can support 10 Gigabit Ethernet campus aggregation with its core class routing and switching scalability. The Summit X670 series can support up to 16,000
One Operating System
Extreme Networks simplifies network operation by offering one common OS – ExtremeXOS – throughout the
BlackDiamond and Summit switchIng portfolio. From 10/100 Mbps switching products such as Summit X150 and Summit X250e to the multi-10 gigabit core backbone BlackDiamond modular chassis switches, all switches can run the same version of the OS, which helps deploy, operate and maintain your entire network and reduce operating costs.
10 Gigabit Ethernet SFP+
The Summit X670 series supports SFP+ optics, which can support passive copper cable for up to 10 meters for Summit X670V and up to 3 meters for Summit X670. The switches also support fiber-optical cable installation with SFP+ transceivers. Summit X670 SFP+ ports support dual interface speeds of Gigabit Ethernet and 10 GbE. SFP+ ports can accept both gigabit SFP and 10 gigabit SFP, and depending upon the pluggable optics you choose, SFP+ ports can work in both modes.
IPv6 longest prefix matching routing tables, 6,000 IP ARP entries and 3,000 IP multicast group entries.
40 Gigabit Ethernet QSFP+
The Summit X670V model provides a VIM4 slot for the optional VIM4-40G4X module. The VIM4-40G4X module 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.
Campus Network
Core Layer
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Figure 1: Top of Rack Switch for Servers in the Enterprise Data Center
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