Extreme Networks X670-G2 User Manual
DATA SHEET
Summit X670-G2 Series
Scalable advanced 10Gb aggregation and data center switch with
ExtremeXOS™ modular operating system.
HIGHLIGHTS
BUSINESS ALIGNMENT
• X670-G2-48x-4q – 48 ports of 1/10Gb
SFP+ with 4 ports of 10/40Gb QSFP+
• X670-G2-72x – 72 ports of 1/10Gb SFP+
in 1 RU form factor
OPERATIONAL EFFICIENCY
• Full ExtremeXOS® feature set supporting
switching, routing, SDN, Data Center
Bridging, MPLS, and Audio Video
Bridging
• SummitStack™ support enables flexible
stacking configurations with entire
stackable Summit product line
• IEEE 1588 PTP Timing with integrated
timing output ports
• All configurations provide non-blocking,
line rate performance
• Low latency cut-through mode
• Front-to-Back or Back-to-Front airflow
Product Overview
The Summit X670-G2 product family provides high density 10 Gigabit Ethernet and
40 Gigabit Ethernet switching in a small 1RU form factor. With its versatile design,
the Summit X670-G2 provides high density Layer 2/3 10Gb networking 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.
The Summit X670-G2 simplifies network operation with the ExtremeXOS modular
operating system (OS), which is used among 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.
The Summit X670-G2 comes in two models:
• X670-G2-48x-4q – 48 ports of 1/10Gb SFP+ with 4 ports of 10/40Gb QSFP+
• X670-G2-72x – 72 ports of 1/10Gb SFP+ in 1 RU form factor
The Summit X670-G2-48x-4q supports four QSFP+ ports of 40 GbE. Each 40
Gigabit Ethernet port can be independently configured as 40 Gigabit Ethernet or 4
x 10 Gigabit Ethernet.
The X670-G2-72x model supports 72 ports of native 1Gb/10Gb SFP+ ports in a
single compact system without the requirement to use break-out cables to achieve
high density 10Gb connections.
High-Performance Stacking
The Summit X670-G2 supports 4 dierent methods of stacking: SummitStack-V,
SummitStack-V80, SummitStack-V160, and SummitStack-V320.
SummitStack-V—Flexible Stacking Over 10 Gigabit Ethernet
ExtremeXOS supports the SummitStack-V capability using 2 of the native 10
GbE ports on the faceplate as stacking ports, enabling the use of standard
cabling and optics technologies used for 10 GbE SFP+, SummitStack-V provides
long-distance stacking connectivity of up to 40 km while reducing the cable
complexity of implementing a stacking solution. SummitStack-V is compatible
with Summit X440, X460, X460-G2, X480, X670, X670V, and X770 switches
running the same version of ExtremeXOS. SummitStack-V enabled 10 GbE ports
must be physically direct-connected.
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ExtremeSwitching™ X670-G2 – Data Sheet 1
SummitStack-V80/V160/V320—Flexible Stacking Over 40
Gigabit Ethernet
The Summit X670-G2-48x-4q also supports high-speed
80Gbps,160 Gbps, and 320Gbps stacking using QSFP+ ports,
which is ideal for demanding applications where a high volume
of trac traverses through the stacking links, yet bandwidth
is not compromised through stacking. SummitStack-V80,
-V160, and -V320 can support passive copper cables (up to
1m), active multi-mode fiber cable (up to 100m), and QSFP+
optical transceivers for 40 GbE up to 10km. With SummitStack,
the Summit X670-G2-48x-4q provides a flexible stacking
solution inside the data center or central oce to create a
virtualized switching infrastructure across rows of racks.
Intelligent Switching and MPLS/H-VPLS Support
Summit X670-G2 supports sophisticated and intelligent Layer
2 switching, as well as Layer 3 IPv4/IPv6 routing including
policy-based switching/routing, Provider Bridges, bidirectional
ingress and egress Access Control Lists, and bandwidth
control by 8 Kbps granularity both for ingress and egress.
To provide scalable network architectures used mainly for
Carrier Ethernet network deployment, Summit X670-G2
supports MPLS LSP-based Layer 3 forwarding and Hierarchical
VPLS (H-VPLS) for transparent LAN services. With H-VPLS,
transparent Layer 3 networks can be extended throughout the
Layer 3 network cloud by using a VPLS tunnel between the
regional transparent LAN services typically built by Provider
Bridges (IEEE 802.1ad) technology
1588 Precision Time Protocol (PTP)
Summit X670-G2 oers Boundary Clock (BC), Transparent
Clock (TC), and Ordinary Clock (OC) for synchronizing phase
and frequency and allowing the network and the connected
devices to be synchronized down to microseconds of accuracy
over Ethernet connection.
Audio Video Bridging (AVB)
The X670-G2 series supports IEEE 802.1 Audio Video Bridging to
enable reliable, real-time audio/video transmission over Ethernet.
AVB technology delivers the quality of service required for
today’s high-definition and time-sensitive multimedia streams.
Low Latency Switching for Cluster Computing
Summit X670-G2 can achieve latency less than 600
nanoseconds and supports cut-through switching for latencysensitive cluster computing.
GREEN DESIGN – LOW POWER CONSUMPTION
WITH OPTIMIZED COOLING OPTIONS
The Summit X670-G2 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. The power supplies are also highly ecient, which
minimizes the loss of power and unnecessary heat generated
by the power supply. Summit X670-G2 series switches can be
used in AC or DC powered environments.
DESIGNED FOR CLOUD DATA
CENTERS – VEPA, XNV, DCB,
OPENFLOW, OPENSTACK
Summit X670-G2 has a variety of features that fit your data
center needs:
DIRECT ATTACH (VEPA)
With the optional feature pack, Summit X670-G2 switches
can 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.
DATA CENTER BRIDGING (DCB)
The Summit X670-G2 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.
PFC
Summit X670-G2 switches 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) OPENFLOW
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 a high degree of automation
in provisioning network services for many upper layer
businesscritical applications running the OpenFlow-based
SDN controller.
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ExtremeSwitching™ X670-G2 – Data Sheet 2
OPENSTACK
ExtremeXOS-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 APIdriven system that enables networking-as-a- service
model managing data center interconnect solutions and large
multitenant networks.
VIRTUAL ROUTERS
In a virtualized environment there is a requirement to support
multiple tenants. In an eort to isolate tenants from each other,
logical separation is established at Layer 3 and Layer 2 level.
ExtremeXOS supports multiple, isolated Layer 3 forwarding
domains by way of Virtual Routers.
ENTERPRISE CORE CLASS SCALABILITY
The Summit X670-G2 series oers more cost-eective
10 Gigabit Ethernet switches, for both small-sized core
backbone and traditional three-tier network architectures.
Summit X670-G2 series can support 10 Gigabit Ethernet
campus aggregations with its core class routing and
switching scalability.
PROCESS MONITORING AND RESTART
ExtremeXOS increases network availability using process
monitoring and restart. Each independent OS process is
monitored in real time. If a process becomes unresponsive or
stops running, it can be automatically restarted.
Rich OAM Suite – CFM, Y.1731, BFD
Summit X670-G2 series switches supports a rich suite of
protocols to help with Operations, Administration and
Maintenance. Connectivity Fault Management (CFM) allows
detection, verification, and isolation of connectivity failures
in virtual bridged LAN. Y.1731 is largely similar to CFM but
also supports performance management by way of frame
delay and frame delay variation measurements. Bidirectional
Forwarding Detection (BFD) is a hello protocol that provides
the rapid detection of failures in the forwarding path and helps
the separation of control plane connectivity from forwarding
plane connectivity. By having multiple control plane protocols
like OSPF or MPLS rely on BFD to detect forwarding plane
connectivity failures, network operators can benefit from
simpler network profiling and planning, and consistent and
predictable re-convergence times.
ONE OPERATING SYSTEM
Extreme Networks simplifies network operation by
oering one common OS – ExtremeXOS – throughout the
BlackDiamond and Summit portfolio. From 10/100 Mbps
switching products such as Summit X430 and Summit X440
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.
Modular Operating System for
Non-Stop Operation
LOADABLE SOFTWARE MODULES
The modular design of the ExtremeXOS OS allows the adding
or upgrading of individual software modules dynamically
without requiring a system reboot, leading to higher
availability in the network.
PREEMPTIVE MULTITASKING AND PROTECTED
MEMORY
Summit X670-G2 series switches allow each of many
applications— such as Open Shortest Path First (OSPF)
and Spanning Tree Protocol (STP)—to run as separate OS
processes that are protected from each other. This drives
increased system integrity and inherently protects against
cross-platform DoS attacks.
MPLS
On the Summit X670-G2 series switches MPLS can be enabled,
if needed, by way of an optional feature pack. MPLS provides
the ability to implement trac engineering and multi-service
networks, and improve network resiliency. The MPLS protocol
suite provides the ability to deploy services based on L2VPNS
(VPLS/VPWS), BGP-based L3VPNS; LSP Establishment based
on LDP, RSVP-TE, Static provisioning; Integrated OAM tools
like VCCV, BFD and CFM; And MPLS Fast Reroute to support
rapid local convergence around network failures.
High Availability Network Protocols
ETHERNET AUTOMATIC PROTECTION
SWITCHING (EAPS)
EAPS allows the IP network to provide the level of resiliency
and uptime that users expect from their traditional voice
network. EAPS is more adaptable than Spanning Tree or Rapid
Spanning Tree protocols and can achieve sub-second recovery
that delivers consistent failover regardless of the number
of VLANs, network nodes or network topology in Extreme
Networks-recommended configurations.. EAPS functionality
increases network recovery time, which results in significant
reduction in Voice-over IP call drop rates and improvement in
digital video performance in supported solution configurations.
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ExtremeSwitching™ X670-G2 – Data Sheet 3
SPANNING TREE / RAPID SPANNING
TREE PROTOCOLS
Summit X670-G2 supports Spanning Tree (802.1D), Per VLAN
Spanning Tree (PVST+), Rapid Spanning Tree (802.1w) and
Multiple Instances of Spanning Tree (802.1s) protocols for
Layer 2 resiliency.
SOFTWARE-ENHANCED AVAILABILITY
Software-enhanced availability allows users to remain
connected to the network even if part of the network
infrastructure is down. Summit X670-G2 continuously checks
for problems in the uplink connections using advanced
Layer 3 protocols such as OSPF, VRRP and Extreme Standby
Router Protocol (ESRP, supported in Layer 2 or Layer 3), and
dynamically routes trac around the problem.
EQUAL COST MULTIPATH
Equal Cost Multipath (ECMP) routing allows uplinks to be
load balanced for performance and cost savings while also
supporting redundant failover. If an uplink fails, trac is
automatically routed to the remaining uplinks and connectivity
is maintained.
Robust IP and MAC Security
Framework
MEDIA ACCESS CONTROL (MAC) LOCKDOWN
MAC security allows the lockdown of a port to a given MAC
address and limiting the number of MAC addresses on a
port. This capability can be used to dedicate ports to specific
hosts or devices such as VoIP phones or printers and avoid
abuse of the port—a capability that can be especially useful
in environments such as hotels. In addition, an aging timer
can be configured for the MAC lockdown, protecting the
network from the eects of attacks using (often rapidly)
changing MAC addresses.
IP SECURITY
ExtremeXOS IP security framework helps protect the network
infrastructure, network services such as DHCP and DNS and
host computers from spoofing and man-in-the-middle attacks.
It also protects the network from statically configured and/or
spoofed IP addresses and builds an external trusted database
of MAC/ IP/port bindings providing the trac’s source from a
specific address for immediate defense.
LINK AGGREGATION (802.3AD)
Link aggregation allows trunking of up to 32 links on a
single logical connection, for up to 320 Gbps of redundant
bandwidth per logical connection.
MULTI-SWITCH LAG (M-LAG)
M-LAG can address bandwidth limitations and improve
network resiliency, in part by routing network trac around
bottlenecks, reducing the risks of a single point of failure, and
allowing load balancing across multiple switches.
HARDWARE REDUNDANCY
Summit X670-G2 series switches support a dual redundant
AC/DC power supply to provide high availability. The power
supply can be hot-swapped and replaced should it fail. Summit
X670-G2 also supports standardized N+1 redundant hotswappable fan units.
IDENTITY MANAGEMENT
Identity Manager allows network managers to track users
who access their network. User identity is captured based
on NetLogin authentication, LLDP discovery and Kerberos
snooping. ExtremeXOS uses the information to then report on
the MAC, VLAN, computer hostname, and port location of the
user. Further, Identity Manager can create both roles and policies,
and then bind them together to create role-based profiles based
on organizational structure or other logical groupings, and
apply them across multiple users to allow appropriate access
to network resources. In addition, support for Wide Key ACLs
further improves security by going beyond the typical source/
destination and MAC address as identification criteria access
mechanism to provide filtering capabilities.
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ExtremeSwitching™ X670-G2 – Data Sheet 4
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