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DATA SHEET
Brocade VDX 6940 Switches
Advanced Features Enable Data Center Transformation
The data center is evolving, driving requirements for infrastructure that
can support dynamic growth in Virtual Machines (VMs), distributed
applications, and Big Data, as well as the transition to cloud-based
computing—without compromising performance. The Brocade® VDX®
6940 and the Brocade VDX family of switches deliver the performance,
exibility, scale, and eciency essential to modern data centers, including
cloud and highly virtualized environments.
HIGHLIGHTS
Transforms networks to deliver cloud
•
scale, agility, and operational eciency
with Brocade data center fabrics
Oers the market’s highest 10, 40, and
•
100 GbE density in a xed form factor
Meets today’s application demands with
•
high performance and low latency
Delivers line-rate throughput for all ports
•
and packet sizes
Fits into any data center design by
•
leveraging 40 GbE/100 GbE uplinks
and Ports on Demand (PoD)
Maximizes network availability with
•
eciency and resiliency
Supports storage environments with
•
advanced exibility
Optimizes Scale-Out
Architecture
Brocade VDX switches are designed
to help organizations stay ahead of
application-driven network change by
enabling agile growth through a scaleout architecture. This approach oers
three key benets. First, it enables
network expansion as a business grows
over time. Data center administrators
can horizontally scale spine switches as
the number of leaf switches increases.
Second, scale-out architecture also
enables the creation of resilient network
fabrics, eliminating a single point of failure
and potential downtime. Third, and most
important, scale-out network architecture
delivers a compelling economic benet.
Unlike scale-up, a scale-out model
reduces upfront investment. And by using
high-density xed switches, it lowers the
Total Cost of Ownership (TCO), reducing
power, cooling, and data center space.
Brocade VDX 6940 Switches
The Brocade VDX 6940-36Q is a xed
40 Gigabit Ethernet (GbE)-optimized
switch in a 1U form factor. It oers
36 40 GbE QSFP+ ports and can be
deployed as a spine or leaf switch (see
Figure 1). Each 40 GbE port can be
broken out into four independent
10 GbE SFP+ ports, providing a total of
144 10 GbE SFP+ ports. Deployed as
a spine, it provides options to connect
either 40 GbE or 10 GbE uplinks from
leaf switches. By deploying this highdensity, compact switch, data center
administrators can reduce their TCO
through savings on power, space,
and cooling.
In a leaf deployment, 10 GbE and
40 GbE ports can be mixed, oering
exible design options to cost-eectively
support demanding data center and
service provider environments. As
in other Brocade VDX platforms, the
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Brocade VDX 6940-36Q oers a Ports
on Demand (PoD) licensing model.
Brocade VDX 6940-36Q is available
with 24 ports or 36 ports. The 24-port
model oers a lower entry point for
organizations that want to start small
and grow their networks over time. By
installing a software license, organizations
can upgrade their 24-port switch to the
maximum 36-port switch.
Figure 1: The Brocade VDX 6940-36Q Switch
provides 36 40 GbE ports.
The Brocade VDX 6940-144S is a
10 GbE-optimized switch with 40 GbE
or 100 GbE uplinks in a 2U form factor.
It oers 96 native 1/10 GbE SFP/SFP+
ports and 12 40 GbE QSFP+ ports, or
4 100 GbE QSFP28 ports. In addition,
the Brocade VDX 6940-144S provides
exibility for uplinks, 40 GbE or 100 GbE
from leaf switches, and delivers greater
cross-sectional bandwidth for east-west
trac. Purpose-built for scale-out data
centers and service providers, it enables
aggregation of multiple server racks with
a single switch.
With its high density, the Brocade
VDX 6940-144S is an ideal t for
middle-of-row or end-of-row data
center deployments (see Figure 2). By
connecting multiple racks to a single
cut-through switch, this architecture
oers greater cross-sectional bandwidth
for applications. Servers from multiple
racks can be just one hop away from
one another. The compact 2U form
factor saves space, also reducing power
and cooling, resulting in lower TCO.
Brocade VDX 6940 Switches provide
the advanced feature set that data
centers require while delivering the high
performance and low latency virtualized
environments demand. Together with
Brocade data center fabrics, these
switches transform data center networks
to support the New IP by enabling cloudbased architectures that deliver new levels
of scale, agility, and operational eciency.
These highly automated, software-driven,
and programmable data center fabric
design solutions support a breadth of
network virtualization options and scale
for data center environments ranging from
tens to thousands of servers. Moreover,
they make it easy for organizations to
architect, automate, and integrate current
and future data center technologies
while they transition to a cloud model
that addresses their needs, on their own
timetable and on their terms.
Figure 2: The Brocade VDX 6940-144S
Switch provides 96 1/10 GbE ports and
12 40 GbE or 4 100 GbE ports.
Transforms Networks to Deliver
New Levels of Scale, Agility, and
Operational Eciency
Brocade VDX switches enable
organizations to evolve their data center
networks at their own pace, with full
investment protection. As the foundation
for several data center architectures,
Brocade VDX switches support Brocade
IP fabrics, Brocade VCS® fabrics, as
well as network virtualization, including
controller-based network virtualization
architectures, such as VMware NSX,
and standards-based (BGP-EVPN)
controller-less architectures with Brocade
BGP-EVPN Network Virtualization for
architectural exibility (see Figure 3).
For organizations seeking automated
provisioning capabilities to improve IT
agility, Brocade VDX switches, together
with Brocade VCS Fabric technology,
accelerate time to value through
automated provisioning of network
devices and network virtualization.
Automated service and resource upgrades
further reduce ongoing maintenance time
and costs. High availability is achieved
through non-disruptive In-Service
Software Upgrade (ISSU) and self-healing
fabrics.
Read more about Brocade data center
fabrics.
Organizations that aim to automate the
entire network lifecycle and integrate with
cross-domain technologies to improve
business agility—but lack sucient
engineering resources or training—can
transform their networks with Brocade
Workow Composer™. Brocade Workow
Composer supports the Brocade VDX
platform, enabling enterprise and cloud
service provider IT organizations to bring
network automation to IT operations
(see Figure 4). Unlike other network
automation solutions that require
proprietary hardware platforms and focus
solely on conguration management,
Brocade Workow Composer provides
turnkey, customizable, or do-it-yourself
network workow automation for
provisioning, validation, troubleshooting,
and remediation of the entire Brocade
VDX platform—while integrating with
tool chains and processes from other IT
domains. Brocade Workow Composer
is powered by StackStorm, an open,
extensible, and microservices-based
framework that leverages the power
of proven DevOps methodologies;
popular open source technologies such
as Puppet, Python, and Mistral; and a
thriving technical community for peer
collaboration and innovation to provide
event-driven, cross-domain workow
automation.
Additionally, Brocade VDX switches oer
programmability and interoperability
options through a PyNOS Library and
YANG model-based REST and Netconf
APIs. Cloud orchestration and control
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Brocade Data Center Fabrics and Network Virtualization Options
Layer 2 Scale-Out: Up to 10,000 Servers
Controller-based Network Virtualization
(VMware NSX,
VxLAN
)
OVERL
A
Y
VDX
VDX
VDX
VDX
VDX
VDX
VDX
VDX
VDX
VDX
VDX
VDX
Controller-less
Network Virtualization
(BGP-EVPN, VxLAN)
VDX
UNDERLAY
Figure 3: Multiple network architectures oer the exibility that can help organizations rapidly adapt to changing business conditions and trac patterns.
through OpenStack and OpenDaylightbased SDN controller support enable
full network integration with compute
and storage resource provisioning and
management.
VDX
and 100 GbE uplinks can easily aggregate
high-bandwidth trac and reduce
bottlenecks that occur when aggregating
multiple 10 GbE or 40 GbE connections,
keeping data center networks working at
OVERLAY OPTIONS
UNDERLAY
Layer 3 Scale-Out: Up to 500,000 Servers
peak performance.
Meets Today’s Application
Demands with High Performance
and Low Latency
As data centers virtualize more of their
servers and VM density per server
increases, organizations will require
higher bandwidth connectivity to support
the explosion of data and application
processing. With 1/10 GbE and
40 GbE options, Brocade VDX 6940
Switches deliver the high-performance
computing needed to keep up with
the demands of a virtualized data
center, allowing organizations to reduce
network congestion, improve application
performance, and meet the capacity
required by 10 GbE servers. The 40 GbE
In a Brocade VCS fabric, Brocade VDX
6940 Switches also help maximize
network utilization with hardware-based
Brocade ISL Trunking. Organizations
can create a 120 GbE Brocade ISL
trunk by utilizing three 40 GbE ports
or 12 10 GbE ports between Brocade
VDX 6940 Switches. The Brocade ISL
trunk is automatically formed between
two Brocade VDX switches when they
are linked together, allowing trac to be
equally distributed among all ports. This
increases link eciency and limits trac
disruptions, especially during high-trac
times. Also, 40 GbE and 10 GbE trunking
is supported between Brocade VDX
OR
6940, 6740, and 8770 Switches. Refer
to the
Brocade VDX 6940 Hardware
Reference Manual
Brocade VDX 6940 Switches oer a
unique balance between two conicting
attributes—buer and latency. Niche
products with very high buer often suer
from high latency, and products with
ultra-low latency are not a good t for
data centers with bursty trac. Brocade
VDX 6940 Switches, with a purpose-built
data center chip, excel in optimizing buer
and latency to deliver better application
performance. These switches deliver
800 ns any-port-to-any-port latency. In
addition, they oer an industry-leading
24 MB deep buer. This provides the
buering capacity to handle increases in
trac, especially during peak times when
ports are congested, allowing trac to be
distributed across the ports. Brocade VDX
6940 Switches also feature a single ASIC
Controller-based
Network Virtualization
(VMware NSX, VxLAN)
for details.
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Workflows
Visual Flow
Web GUI
CLI
ChatOps
User
I
nterfaces
Composable
S
ervices
Credential /
Authorization
Workflow
Engine
Device
Inventory
Data Store
Message Bus
Rules
Engine
REST API
Sensors /
A
ctions
Sensor
Sensor Action Action
Systems Devices Tools
Figure 4: Brocade Workow Composer brings workow-centric, cross-domain network automation to IT operations.
Audit
design, instead of multiple ASIC designs
commonly found in other switches. This
improves performance since all ports
communicate via the one ASIC.
Cloud and Big Data Environments
Brocade VDX 6940 Switches deliver
optimized buer and latency and high
performance to enable greater crosssectional bandwidth for east-west trac—
exactly what cloud workloads demand.
These switches oer the exibility needed
to scale out networks, deliver intelligence
to more eectively manage VM mobility,
as well as provide an SDN-enabled and
programmable infrastructure. In addition,
Brocade VDX 6940 Switches oer an
advanced feature set that non-virtual and
Big Data environments require. With 10,
40, and 100 GbE options for designing
oversubscribed or non-oversubscribed
networks, high throughput, and optimized
buer and latency, the Brocade VDX
6940 is an ideal switch for Big Data
applications. Together with Brocade
data center fabrics, Brocade VDX 6940
Switches can simplify network design and
operations for both cloud and Big Data
network fabrics.
Fits into Any Data Center Design
Brocade VDX 6940-36Q and
6940-144S front access ports are
positioned to enable easy server or switch
connectivity and to simplify cabling.
With a choice of front-to-back or backto-front airow, these switches are ideal
for deployments connecting servers,
storage, and other switches, as well as
for providing compatibility for either hot
aisle or cold aisle data center designs.
For the 40 GbE ports that also support
10 GbE connections with breakout cables,
the switches oer the exibility needed
to support a mixed environment as data
centers or service providers transition to
higher bandwidth.
Brocade VDX 6940 Switches are
designed to connect data centers in
multiple ways to meet individual design
requirements. This exible design
provides investment protection, giving
organizations a single switch that can
support varying data center requirements.
The following features help organizations
meet their evolving needs:
10/40/100 GbE uplinks: The 40 GbE
•
QSFP+ ports oer the exibility to
expand and interconnect the network
infrastructure intelligently and eciently
while reducing bottlenecks. Brocade
VDX 6940 Switches oer the option
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to separate each 40 GbE uplink into
four 10 GbE uplinks via breakout
cables. As capacity and need increase,
organizations can revert to 40 GbE
when ready.
Ports on Demand: Ports on Demand
•
(PoD) enables organizations to activate
additional ports. They can purchase
the number of ports that they currently
need and seamlessly scale up later by
simply applying a software license. This
exible and cost-ecient “pay as you
grow” licensing model solves scalability
challenges by allocating IT resources
as needed.
Maximizes Network Availability
with Eciency and Resiliency
Brocade data center fabrics create a
more ecient and resilient network, and
deliver the high performance and high
reliability required by modern data
centers, including cloud and highly
virtualized environments.
Optimizing East-West Trac
Traditional data centers are architected
with a rigid, three-tier tree topology
optimized for the north-south trac ow
of client-server computing environments,
compromising performance, increasing
latency, and creating bottlenecks. With
the increased prevalence of virtualization
and distributed applications, data center
network trac is now predominantly
east-west, or server-server. Brocade
data center fabrics were designed and
optimized to address these trac patterns
by moving trac through any of the active
paths and avoiding the multiple hops
required in other tiered topologies.
In-Service Software Upgrade
The Brocade VDX 6940 delivers a highly
ecient In-Service Software Upgrade
(ISSU) by leveraging a software model
that uses a dual-OS infrastructure on a
multi-core CPU. This enables data center
administrators to deliver enterprise-class
business continuity on xed switches
during a software upgrade/downgrade
process. This software change process is
non-disruptive to Layer 2, Layer 3, Fibre
Channel, and Fibre Channel over Ethernet
(FCoE) trac. Moreover, the ISSU
implementation is hardware-optimized,
thus reducing the time it takes to complete
the upgrade/downgrade process.
Advanced Storage Support
Brocade VDX 6940 Switches provide
advanced storage support with multiple
storage connectivity options, including
FCoE, iSCSI, and NAS. They also feature
Data Center Bridging (DCB), which
enables the reliable exchange of storage
trac over the LAN, eliminating packet
loss when network congestion occurs and
allocating bandwidth as needed to keep
the network running eciently. Moreover,
Brocade VDX 6940 Switches oer
NAS Auto QoS intelligence to prioritize
delay-sensitive IP storage trac within
the fabric and to help ensure consistent
performance while decreasing latency.
Brocade Global Services
Brocade Global Services has the
expertise to help organizations build
scalable, ecient cloud infrastructures.
Leveraging 20 years of expertise in
storage, networking, and virtualization,
Brocade Global Services delivers
world-class professional services,
technical support, and education
services, enabling organizations to
maximize their Brocade investments,
accelerate new technology deployments,
and optimize the performance of
networking infrastructures.
Acquisition Options That Match
Balance Sheet Objectives
Successful network deployments drive
business forward, providing technical
and nancial agility. Brocade oers
the broadest nancing models, from
traditional leasing to Brocade Network
Subscription. Network-as-a-Service
allows organizations to subscribe to
network assets today then upgrade
on demand, scale up or down, or return
them with 60-day notication. Brocade
Network Subscription plans can be
structured to meet IASC guidelines
for OpEx or CapEx treatment to align with
nancial goals. Learn more at
www.nonetworkcapex.com.
Maximizing Investments
To help optimize technology investments,
Brocade and its partners oer complete
solutions that include professional
services, technical support, and education.
For more information, contact a Brocade
sales partner or visit www.brocade.com.
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Brocade VDX 6940-36Q and 6940-144S Feature Overview
Overview Brocade VDX 6940-36Q Brocade VDX 6940-144S
Form factor 1U 2U
Switching bandwidth (data rate, full duplex) 2.88 Tbps 2.88 Tbps
Switch performance 2.16 Bpps 2.16 Bpps
Port-to-port latency 800 ns 800 ns
Dimensions and weight Width: 44 cm (17.32 in.)
Height: 4.4 cm (1.73 in.)
Depth: 43.8 cm (17.22 in.)
Weight: 8.9 kg (19.6 lb) without media;
10.1 kg (22.3 lb) with media
10 GbE SFP+ ports 144 10 GbE ports using breakout cables 96 xed 10 GbE ports and additional 48
1 GbE SFP 0 96
1/10 GBASE-T 0 0
40 GbE QSFP+ 36 12
100 GbE QSFP28 0 4
40 GbE Ports on Demand (PoD) 24, 36 6, 12
10 GbE Ports on Demand (PoD) N/A 64, 80, 96
Power supplies Two internal, redundant, eld-replaceable,
load-sharing AC/DC power supplies
Cooling fans 5 eld-replaceable fans (FRUs);
each fan FRU has 2 fans
Airow Rear-to-front or front-to-rear airow Rear-to-front or front-to-rear airow
Width: 44 cm (17.32 in.)
Height: 8.7 cm (3.41 in.)
Depth: 48.5 cm (19.1 in.)
Weight: 15.46 kg (34.1 lb) empty;
17.32 kg (38.2 lb) with media
10 GbE ports with breakout cables
Two internal, redundant, eld-replaceable, loadsharing AC/DC power supplies
4 eld-replaceable fans (FRUs);
each fan FRU has 1 fan
Brocade VDX 6940-36Q and 6940-144S Specications
Scalability Information*
Out-of-band Ethernet management: RJ-45 (xed)
Connector options
Maximum VLANs 4,096
Maximum MAC addresses 112,000 (L2 MACs); fabric-wide 256,000 (CML)
Maximum port proles (AMPP) 512
Maximum members in a standard LAG 16
Maximum per-port priority pause level 8
Maximum switches that a vLAG can span 8
Maximum members
in a vLAG
Maximum jumbo frame size 9,216 bytes
* Please refer to the latest version of the release notes for the most up-to-date scalability numbers suppor ted in software.
6
Console management: RJ45 to RS-232 (xed)
Firmware and diagnostic: USB
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Brocade VDX 6940-36Q and 6940-144S Specications
Scalability Information*
Queues per port 8
DCB Priority Flow Control (PFC) classes 8
Maximum ACLs 10,000
Maximum ARP entries 84,000
Maximum IPv4 unicast routes 12,000
Maximum IPv6 unicast routes 3,000
DCB Priority Flow Control (PFC) classes 8
HA/ISSU ISSU fully supported
Mechanical
Enclosure Front-to-rear, rear-to-front airow; 1U (6940-36Q) and 2U (6940-144S), 19-inch EIA-compliant;
power from non-port side
Environmental Brocade VDX 6940-36Q Brocade VDX 6940-144S
(continued)
Temperature Operating: 0°C to 40°C (32°F to 104°F)
Non-operating and storage: −25°C to 70°C
(−13°F to 158°F)
Humidity Operating: 5% to 93% at 50°C (122°F)
Non-operating and storage: 10% to 95% at
60°C (140°F)
Altitude Operating: 0 to 3,000 m (9,842 ft.)
Non-operating and storage: 0 to 12,000 m
(39,370 ft.)
Shock Operating: 15 G, 11 ms, half-sine wave
Non-operating and storage: 33 G, 11 ms, half-sine
wave, 5/ea axis, and 33 G 6 ms, trapezoidal,
1/ea axis
Vibration Operating: 1 G sine, 0.5 gms random,
5 to 500 Hz
Non-operating and storage: 2.4 G sine, 1.1 gms
random, 5 to 500 Hz
Airow Maximum: 159 CMH (94 CFM)
Minimum: 65 CMH (38 CFM)
Power
Power supplies Two internal, redundant, eld-replaceable, load-
sharing power supplies
Operating: 0°C to 40°C (32°F to 104°F)
Non-operating and storage: −25°C to 70°C
(−13°F to 158°F)
Operating: 5% to 93% at 50°C (122°F)
Non-operating and storage: 10% to 95% at 60°C
(140°F)
Operating: 0 to 3,000 m (9,842 ft.)
Non-operating and storage: 0 to 12,000 m
(39,370 ft.)
Operating: 15 G, 11 ms, half-sine wave
Non-operating and storage: 33 G, 11 ms, half-sine
wave, 5/ea axis, and 33 G 6 ms, trapezoidal,
1/ea axis
Operating: 1 G sine, 0.5 gms random,
5 to 500 Hz
Non-operating and storage: 2.4 G sine, 1.1 gms
random, 5 to 500 Hz
Maximum: 370 CMH (218 CFM)
Minimum: 95 CMH (56 CFM)
Two internal, redundant, eld-replaceable, loadsharing power supplies
Power inlet C13 C13
Input voltage 100 to 240 V or 48 V DC 100 to 240 V or 48 V DC
Input line frequency 50 to 60 Hz 50 to 60 Hz
Inrush current 30 A peak at cold start and 50 A peak at warm
* Please refer to the latest version of the release notes for the most up-to-date scalability numbers suppor ted in software.
start for <10 ms, 10 A peak for cycles 10 ms to
150 ms, <7 A peak for >150 ms
40 A peak at either cold or warm start <10 ms,
10 A peak for cycles 10 ms to 150 ms, <7 A peak
for >150 ms
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Brocade VDX 6940-36Q and 6940-144S Specications
Power
(continued)
Brocade VDX 6940-36Q Brocade VDX 6940-144S
(continued)
Maximum current 6 A at 100 VAC
7 A at 90 VAC
Typical power consumption At 100 VAC 2.18 A, 215 W, 733.81 BTU/hr
At 200 VAC 1.12 A, 212 W, 723.57 BTU/hr
Input current calculated with 1 PSU; watts and
BTU/hour with 2 PSUs
Maximum power consumption At 100 VAC 2.84 A, 282 W, 962.5 BTU/hr
At 200 VAC 1.44 A, 276 W, 942 BTU/hr
Input current calculated with 1 PSU; watts and
BTU/hour with 2 PSUs
Safety Compliance
CAN/CSA C22.2 No. 60950-1-07 including A1 / UL
•
60950-1-07, Ed. 2 including A1
CAN/CSA-C22.2 No. 60950-1 Second Edition
•
EN 60950-1 Second Edition +A1/A12
•
EMC
FCC Class A
•
ICES-003 Class A
•
VCCI-Class A
•
CE
•
Immunity
IEC 60950-1 Second Edition +A1
•
GB 4943.1-2011 and GB9254-2008
•
CNS14336-1(99)
•
CSA/NRTL Certication
•
C-T i ck
•
BSMI
•
KCC Class A
•
6 A at 100 VAC
7 A at 85 VAC
At 100 VAC 3.288 A, 327 W, 1,116 BTU/hr
At 200 VAC 1.639 A, 321 W, 1,095 BTU/hr
Input current calculated with 1 PSU; watts and
BTU/hour with 2 PSUs
At 100 VAC 2.706 A, 512 W, 1,747 BTU/hr
At 200 VAC 1.375 A, 500 W, 1,706 BTU/hr
Input current calculated with 1 PSU; watts and
BTU/hour with 2 PSUs
EN5 5024
•
Environmental Regulatory Compliance
RoHS-6 (with lead exemption) Directive 2002/95/EC
NEBS-Compliant
Standards Compliance
Brocade VDX 6940 products conform to the following Ethernet standards:
IEEE 802.1D Spanning Tree Protocol
•
IEEE 802.1s Multiple Spanning Tree
•
IEEE 802.1w Rapid Reconguration of Spanning Tree Protocol
•
IEEE 802.3 Ethernet
•
IEEE 802.3ad Link Aggregation with LACP
•
IEEE 802.3ae 10G Ethernet
•
IEEE 802.1Q VLAN Tagging
•
The following draft versions of the Data Center Bridging (DCB) and Fibre Channel over Ethernet (FCoE) standards are also supported on the
Brocade VDX 6940:
IEEE 802.1Qbb Priority-based Flow Control
•
IEEE 802.1Qaz Enhanced Transmission Selection
•
IEEE 802.1 DCB Capability Exchange Protocol (Proposed under the DCB Task Group of IEEE 802.1 Working Group)
•
FC-BB-5 FCoE (Rev 2.0)
•
IEEE 802.1p Class of Service Prioritization and Tagging
•
IEEE 802.1v VLAN Classication by Protocol and Port
•
IEEE 802.1AB Link Layer Discovery Protocol (LLDP)
•
IEEE 802.3x Flow Control (Pause Frames)
•
IEEE 802.3ab 1000BASE-T
•
IEEE 802.3z 1000BASE-X
•
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Brocade VDX 6940-36Q and 6940-144S Specications
RFC Support
RFC 768 User Datagram Protocol (UDP)
RFC 783 TFTP Protocol (revision 2)
RFC 791 Internet Protocol (IP)
RFC 792 Internet Control Message Protocol (ICMP)
RFC 793 Transmission Control Protocol (TCP)
RFC 826 ARP
RFC 854 Telnet Protocol Specication
RFC 894 A Standard for the Transmission of IP Datagram over Ethernet Networks
RFC 959 FTP
RFC 1027 Using ARP to Implement Transparent Subnet Gateways (Proxy ARP)
RFC 1112 IGMP v1
RFC 1157 Simple Network Management Protocol (SNMP) v1 and v2
RFC 1305 Network Time Protocol (NTP) Version 3
RFC 1492 TACACS+
(continued)
RFC 1519 Classless Inter-Domain Routing (CIDR)
RFC 1584 Multicast Extensions to OSPF
RFC 1765 OSPF Database Overow
RFC 1812 Requirements for IP Version 4 Routers
RFC 1997 BGP Communities Attribute
RFC 2068 HTTP Server
RFC 2131 Dynamic Host Conguration Protocol (DHCP)
RFC 2154 OSPF with Digital Signatures (Password, MD-5)
RFC 2236 IGMP v2
RFC 2267 Network Ingress Filtering
RFC 2328 OSPF v2
RFC 2370 OSPF Opaque Link-State Advertisement (LSA) Option—Partial Support
RFC 2375 IPv6 Multicast Address Assignments
RFC 2385 Protection of BGP Sessions with the TCP MD5 Signature Option
RFC 2439 BGP Route Flap Damping
RFC2460 Internet Protocol, Version 6 (v6) Specication (on management interface)
RFC 2462 IPv6 Stateless Address Auto-Conguration
RFC 2464 Transmission of IPv6 Packets over Ethernet Networks (on management interface)
RFC 2474 Denition of the Dierentiated Services Field in the IPv4 and IPv6 Headers
RFC 2571 An Architecture for Describing SNMP Management Frameworks
RFC 2711 IPv6 Router Alert Option
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Brocade VDX 6940-36Q and 6940-144S Specications
(continued)
RFC Support
RFC 2865 Remote Authentication Dial-In User Service (RADIUS)
RFC 3101 The OSPF Not-So-Stubby Area (NSSA) Option
RFC 3137 OSPF Stub Router Advertisement
RFC 3176 sFlow
RFC 3392 Capabilities Advertisement with BGPv4
RFC 3411 An Architecture for Describing SNMP Frameworks
RFC 3412 Message Processing and Dispatching for the SNMP
RFC 3413 Simple Network Management Protocol (SNMP) Applications
RFC 3587 IPv6 Global Unicast Address Format
RFC 3623 Graceful OSPF Restart—IETF Tools
RFC 3768 VRRP
RFC 4271 BGPv4
RFC 4291 IPv6 Addressing Architecture
RFC 4292 IP Forwarding MIB
RFC 4293 Management Information Base for the Internet Protocol (IP)
RFC 4443 ICMPv6 (replaces 2463)
(continued)
RFC 4456 BGP Route Reection
RFC 4510 Lightweight Directory Access Protocol (LDAP): Technical Specication Road Map
RFC 4601 Protocol Independent Multicast—Sparse Mode (PIM-SM): Protocol Specication (Revised)
RFC 4724 Graceful Restart Mechanism for BGP
RFC 4861 IPv6 Neighbor Discovery
RFC 4893 BGP Support for Four-Octet AS Number Space
RFC 5082 Generalized TTL Security Mechanism (GTSM)
RFC 5880 Bidirectional Forwarding Detection (BFD)
RFC 5881 Bidirectional Forwarding Detection (BFD) for IPv4 and IPv6 (Single Hop)
RFC 5882 Generic Application of Bidirectional Forwarding Detection (BFD)
RFC 5883 Bidirectional Forwarding Detection (BFD) for Multihop Paths
RFC 5942 IPv6 Neighbor Discovery
RFC 7432 BGP-EVPN—Network Virtualization Using VXLAN Data Plane
IPv6 Routing
RFC 2545 Use of BGP-MP Extensions for IPv6
RFC 2740 OSPFv3 for IPv6
IPv6 Multicast
RFC 2710 Multicast Listener Discovery (MLD) for IPv6
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Brocade VDX 6940-36Q and 6940-144S Specications
VRRP/VRRPe
RFC 5798 VRRP Version 3 for IPv4 and IPv6
(continued)
Brocade Network OS Software Capabilities
VCS Fabrics IP Fabrics
Software scalability Maximum switches in a fabric 48 Unlimited
Maximum ECMP paths in a fabric 32 32
Maximum LAGs in a fabric 2,000 144
Layer 2 switching Service Node Load Balancing BFD/ARP Optimizations X X
Conversational MAC Learning X X
Virtual Link Aggregation Group (vLAG) spanning X X
Layer 2 Access Control Lists (ACLs) X X
Edge Loop Detection (ELD) X X
Address Resolution Protocol (ARP) RFC 826 X X
Private VLANs X
Maintenance Mode/Graceful Trac Diversion X
Distributed VXLAN Gateway X
Diagnostic Ports X
IP Maps Support X
L2 Loop prevention in an overlay environment X
High availability/In-Service Software Upgrade—hardware-enabled X X
IGMP v1/v2 Snooping X X
MAC Learning and Aging X X
Link Aggregation Control Protocol (LACP) IEEE 802.3ad/802.1AX X X
Virtual Local Area Networks (VLANs) X X
VLAN Encapsulation 802.1Q X X
Per-VLAN Spanning Tree (PVST+/PVRST+) X X
Rapid Spanning Tree Protocol (RSTP) 802.1w X X
Multiple Spanning Tree Protocol (MSTP) 802.1s X X
STP PortFast, BPDU Guard, BPDU Filter X X
STP Root Guard X X
Pause Frames 802.3x X X
Static MAC Conguration X X
Uni-Directional Link Detection (UDLD) X X
Transparent LAN Services X
11
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Brocade Network OS Software Capabilities
Layer 3 switching Border Gateway Protocol (BGP4+) X X
DHCP Helper X X
Layer 3 ACLs X X
Multicast: PIM-SM, IGMPv2 X X
OSPF v2/v3 X X
Static routes X X
IPv4/v6 ACL X X
Policy-Based Routing (PBR) X X
Bidirectional Forwarding Detection (BFD) X X
32-Way ECMP X X
VRF Lite X X
VRF-aware OSPF, BGP, VRRP, static routes X X
VRRP v2 and v3 X X
IPv4/IPv6 dual stack X X
(continued)
VCS Fabrics IP Fabrics
IPv6 ACL packet ltering X X
BGP Additional-Path X X
BGP-Allow AS X X
BGP Generalized TTL Security Mechanism (GTSM) X X
BGP Peer Auto Shutdown X X
Multicast Refactoring X X
IPv6 routing X X
OSPF Type-3 LSA Filter X X
Wire-speed routing for IPv4 and IPv6 using any routing protocol X X
BGP-EVPN Control Plane Signaling RFC 7432 X
BGP-EVPN VXLAN Standard-based Overlay X
Multi-VRF X X
IP Unnumbered Interface X
Intersubnet Routing (Symmetric and Asymmetric) X
IP over Port Channel X
VRRP-E X X
Fabric Virtual Gateway X
Static Anycast Gateway X
ARP Suppression X
12
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Brocade Network OS Software Capabilities
(continued)
VCS Fabrics IP Fabrics
Automation and
programmability
Multitenancy and
virtualization
OpenFlow 1.3 X X
REST API with YANG data model X X
Puppet X X
Python X X
PyNOS libraries X X
Ansible X X
VMware vRealize plugins X X
DHCP automatic fabric provisioning X X
Netconf API X X
TRILL FGL-based VCS Virtual Fabric feature X
Virtual fabric extension X
VM-Aware Network Automation X
BFD for virtual fabric extension X
Brocade VCS Gateway for NSX X
Brocade IP Fabric Gateway for NSX X
VMware NSX-v Certication X X
Automatic Migration of Port Proles (AMPP) X X
DCB Priority-based Flow Control (PFC) 802.1Qbb X
Enhanced Transmission Selection (ETS) 802.1Qaz X
Manual conguration of lossless queues for protocols other than FCoE and iSCSI X
Data Center Bridging Exchange (DCBX) X
DCBX Application Type-Length-Value (TLV) for FCoE and iSCSI X
Fibre Channel/FCoE Multi-hop Fibre Channel over Ethernet (FCoE); requires Brocade VCS Fabric
technology
FC-BB5 compliant Fibre Channel Forwarder (FCF) X
Native FCoE forwarding X
FCoE to Fibre Channel Bridging X
FCoE on Brocade VDX 6940 X
FCoE on QSFP+ port X
Multi-hop Access Gateway Support X
End-to-end FCoE (initiator to target) X
FCoE Initialization Protocol (FIP) v1 support for FCoE device login and initialization X
Name Server-based zoning X
X
Supports connectivity to FIP Snooping Bridge (FSB) device X
FCoE trac over standard LAG X
13
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Brocade Network OS Software Capabilities
(continued)
VCS Fabrics IP Fabrics
Fibre Channel/FCoE
Interface Binding X
(continued)
Dual Personality Ports X
Logical SANs X
High availability ISSU L2 and L3 X X
BFD X X
OSPF3-NSR X X
BGP4-GR X X
Quality of Service
(QoS)
ACL-based QoS X X
Eight priority levels for QoS X X
Class of Service (CoS) IEEE 802.1p X X
DSCP Trust X X
DSCP to Trac Class Mutation X X
DSCP to CoS Mutation X X
DSCP to DSCP Mutation X X
Random Early Discard X X
Per-port QoS conguration X X
ACL-based Rate Limit X X
Management and
monitoring
Dual-rate, three-color token bucket X X
ACL-based remarking of CoS/DSCP/Precedence X X
ACL-based sFlow X X
Scheduling: Strict Priority (SP), Decit Weighted Round-Robin (DWRR), Hybrid
Scheduling (Hybrid)
Queue-based Shaping X X
Flow-based QoS X X
Logical chassis management X
IPv4/IPv6 management X X
Industry-standard Command Line Interface (CLI) X X
Netconf API X X
REST API with YANG data model X X
Brocade VDX Plugin for OpenStack X X
Link Layer Discovery Protocol (LLDP) IEEE 802.1AB X X
MIB II RFC 1213 MIB X X
Switch Beaconing X X
Management VRF X X
X X
Switched Port Analyzer (SPAN) X X
14
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Brocade Network OS Software Capabilities
(continued)
VCS Fabrics IP Fabrics
Management and
monitoring
(continued)
Security Port-based Network Access Control 802.1X X X
Telnet X X
SNMP v1, v2C, v3 X X
sFlow RFC 3176 X X
Out-of-band management X X
Remote SPAN (RSPAN) X X
RMON-1, RMON-2 X X
NTP X X
Management Access Control Lists (ACLs) X X
Role-Based Access Control (RBAC) X X
Range CLI support X X
UDLD X X
OpenStack Neutron ML2 plugin X X
Python X X
Puppet X X
Distributed Conguration Management X
Maps switch health monitoring X
RADIUS (AAA) X X
TACACS+ X X
Secure Shell (SSHv2) X X
BPDU Drop X X
Lightweight Directory Access Protocol (LDAP) X X
Secure Copy Protocol X X
Port Security X X
Brocade VDX 6940-36Q and 6940-144S Software License Ordering Information
Software SKU Description
BR-VDX6940-FCOE FCoE software license for Brocade VDX 6940
BR-VDX6940-144S-16-10GPOD 16×10 GbE Ports on Demand (PoD) license for Brocade VDX 6940-144S
BR-VDX6940-144S-6X40G-POD 6×40 GbE or 2×100 GbE Ports on Demand (PoD) license for Brocade VDX 6940-144S
BR-VDX6940-36Q-12X40G-POD 12×40 GbE Ports on Demand (PoD) license for Brocade VDX 6940-36Q
15
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Brocade VDX 6940-36Q and 6940-144S Hardware Ordering Information
See the Brocade VDX Transceiver Support Matrix for optics and cable ordering details.
Harware SKU Description
BR-VDX6940-36Q-AC-F
BR-VDX6940-36Q-AC-R
BR-VDX6940-24Q-DC-F
BR-VDX6940-24Q-DC-R
Brocade VDX 6940-36Q base system with 36 40 GbE QSFP+ ports, AC power supply, non-port-side
exhaust airow
Brocade VDX 6940-36Q base system with 36 40 GbE QSFP+ ports, AC power supply, port-side
exhaust airow
Brocade VDX 6940-36Q base system with 24 40 GbE QSFP+ ports, DC power supply, non-port-side
exhaust airow
Brocade VDX 6940-36Q base system with 24 40 GbE QSFP+ ports, DC power supply, port-side
exhaust airow
BR-VDX6940-24Q-AC-F Brocade VDX 6940-36Q base system with 24 40 GbE QSFP+ ports, AC power supply, non-port-side
exhaust airow
BR-VDX6940-24Q-AC-R Brocade VDX 6940-36Q base system with 24 40 GbE QSFP+ ports, AC power supply, port-side
exhaust airow
BR-VDX6940-64S-AC-R Brocade VDX 6940-144S base system with 64 10 GbE SFP+ ports, AC power supply, port-side
exhaust airow
BR-VDX6940-64S-AC-F Brocade VDX 6940-144S base system with 64 10 GbE SFP+ ports, AC power supply, non-port-side
exhaust airow
BR-VDX6940-96S-AC-R Brocade VDX 6940-144S base system with 96 10 GbE SFP+ ports, AC power supply, port-side
exhaust airow
BR-VDX6940-96S-AC-F Brocade VDX 6940-144S base system with 96 10 GbE SFP+ ports, AC power supply, non-port-side
exhaust airow
BR-VDX6940-144S-AC-R Brocade VDX 6940-144S base system with 96 10 GbE SFP+ ports and up to 12 40 GbE QSFP+ ports or up
to 4 100 GbE QSFP28 ports, AC power supply, port-side exhaust airow
BR-VDX6940-144S-AC-F Brocade VDX 6940-144S base system with 96 10 GbE SFP+ ports and up to 12 40 GbE QSFP+ ports or up
to 4 100 GbE QSFP28 ports, AC power supply, non-port-side exhaust airow
BR-VDX6940-64S-DC-F Brocade VDX 6940-144S base system with 64 10 GbE SFP+ ports, DC power supply, non-port-side
exhaust airow
BR-VDX6940-64S-DC-R Brocade VDX 6940-144S base system with 64 10 GbE SFP+ ports, DC power supply, port-side
exhaust airow
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T: +1-408-333-8000
[email protected]
© 2016 Brocade Communic ations Systems, Inc. All Right s Reser ved. 07/16 GA-DS-1 902-0 8
Brocade, Broc ade Assurance, the B-wing symbol, ClearLink, DCX, Fabric OS, HyperEdge, ICX, MLX, MyBrocade, OpenScr ipt,
VCS, VDX, Vplane, and Vyatta are registere d trademarks , and Fabric Vision is a trademark of Brocade Communications Systems,
Inc., in the United States and/or in other countri es. Other brands, products, or service names mentioned may be trademarks
of others .
Notice: This document is fo r informational purpo ses only and does not set for th any warranty, expressed or implied, concerning any
equipm ent, equipment feature, or ser vice oered or to be oered by Brocade. Broca de reserves the right to make changes to this
docume nt at any time, without notice, and assumes no respons ibility for its use. This informational document describes features
that may not be currently available. Contact a Brocade sales oce for information on feature and product availab ility. Expor t of
technical data contain ed in this document may require an export license from the United States government.
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