Extreme Networks X670V User Manual
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 oers 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.
The power supplies are also highly ecient, 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
trac to be controlled independently based on Class of
Service. PFC allows network trac that requires lossless
throughput to be prioritized, while other trac 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 oer 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-aservice model managing data center interconnect solutions
and large multi-tenant networks.
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-ecient
hardware design.
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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
2
Service (QoS). ExtremeXOS leverages AVB to identify
and reserve network resources for A/V trac 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 oers more cost-eective
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
IPv6 longest prefix matching routing tables, 6,000 IP ARP
entries and 3,000 IP multicast group entries.
One Operating System
Extreme Networks simplifies network operation by
oering 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.
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.
Access Layer
Top of the Rack
®
X670 Summit X670 Summit X670 Summit X670 Summit X670 Summit X670
Summit
Server
Rack
Campus Network
Core Layer
BlackDiamond® X BlackDiamond X
Server
Rack
Figure 1: Top of Rack Switch for Servers in the Enterprise Data Center
Server
Rack
Server
Rack
Server
Rack
Server
Rack
5600_01
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