DATA SHEET
Brocade 6520 Switch
Scalable Enterprise-Class SAN Switch for Highly Virtualized,
Cloud Environments
HIGHLIGHTS
••Provides high scalability in an ultra-
dense 96-port switch to support highly
virtualized, private cloud storage and
data center consolidation
••Enables “pay-as-you-grow” flexibility
from 48 to 96 ports with speeds up to
16 Gbps
••Leverages Brocade Fabric Vision
technology’s powerful monitoring,
management, and diagnostic tools to
simplify administration, increase uptime,
and reduce costs
••Helps pinpoint problems faster and
simplify SAN configuration and
management with Brocade Network
Advisor
••Simplifies deployment with the Brocade
EZSwitchSetup wizard and supports
high-performance fabrics by using
Brocade ClearLink D_Ports to identify
optic and cable issues
••Provides up to eight in-flight encryption
and compression ports, delivering data
center-to-data center security and
bandwidth savings
To meet dynamic and growing business demands, data centers
are evolving into highly virtualized environments and cloud-based
architectures. This approach enables organizations to consolidate and
simplify their IT resources, resulting in increased business agility and
lower capital and operating expenses. However, enterprise data centers
must keep pace with the changes driven by increasingly virtualized
workloads and storage resources. Selecting the right network is therefore
key to realizing the full benefits of these cloud-based architectures. By
treating the network as a strategic part of a highly virtualized environment,
organizations can increase optimization and efficiency even as they rapidly
scale their environments.
Today, Brocade® Fibre Channel switches
are the de facto storage networking
standard for mission-critical workloads
and highly virtualized environments.
Based on years of successful deployment
in enterprise data centers around the
globe, Brocade Fibre Channel SANs
provide highly resilient, scalable, and
simplified network infrastructure for
storage.
The Brocade 6520 Switch meets the
demands of growing, dynamic workloads
and private cloud storage environments
by delivering market-leading Gen 5 Fibre
Channel technology and capabilities.
The Brocade 6520 is a high-density,
purpose-built, foundational building
block for large and growing Storage Area
Network (SAN) infrastructures. It provides
industry-leading scalability, reliability,
and 16 Gbps performance in a flexible,
easy-to-deploy enterprise-class switch,
enabling greater data center consolidation,
operational efficiency, and business
continuity. In addition to increased
throughput, it helps improve bandwidth
utilization, security, and network visibility
and management through in-flight
data compression and encryption and
advanced diagnostics. It’s an ideal switch
for bandwidth-intensive workloads,
evolving virtualized data centers, and
private cloud architectures.
GEN 5 FIBRE CHANNEL
Gen 5 Fibre Channel is the purpose-built,
data center-proven network infrastructure
for storage, delivering unmatched reliability,
simplicity, and 16 Gbps performance. The
Brocade 6520 with Gen 5 Fibre Channel
and Brocade Fabric Vision technology
unleashes the full potential of high-density
server virtualization, cloud architectures,
and next-generation storage.
Exceptional Scalability for
Demanding Workloads and
Data Center Consolidation
The Brocade 6520 features 96 Fibre
Channel ports in a 2U form factor,
delivering industry-leading port density
and space utilization for data center
consolidation. Designed for maximum
flexibility, this enterprise-class switch
offers “pay-as-you-grow” scalability with
Ports on Demand (PoD). Organizations
can quickly, easily, and cost-effectively
scale from 48 to 96 ports in 24-port
increments, each supporting 2, 4, 8, 10,
or 16 Gbps. In addition, flexible, highspeed 16 Gbps and 8 Gbps optics allow
organizations to deploy bandwidth on
demand to meet growing data center
needs. For maximum flexibility, the
switch also features dual-direction
airflow options to support the latest
hot aisle/cold aisle configurations.
Industry-Leading Performance
for Growing Workloads
The Brocade 6520 delivers exceptional
performance for growing and dynamic
workloads through a combination of
market-leading throughput and bandwidth
utilization. With the unpredictability of
virtualized workloads and cloud services,
throughput becomes critical to ensuring
that the network does not become the
bottleneck. With 96 ports, the Brocade
6,520 provides an aggregate 1536
Frame-based Trunking
ASIC preserves in-order delivery
Gbps full-duplex throughput. Up to eight
ISLs can be combined together in a 128
Gbps framed-based trunk. In addition,
exchange-based Dynamic Path Selection
(DPS) optimizes fabric-wide performance
and load balancing by automatically
routing data to the most efficient, available
path in the fabric (see Figure 1). This
augments Brocade ISL Trunking to
provide more effective load balancing
in certain configurations. Moreover, the
enterprise-class capabilities of this switch
yield 40 percent higher performance
compared to 10 Gigabit Ethernet (GbE)
alternatives at a similar cost.
Simplified Management and
Robust Network Analytics
Brocade Fabric Vision™ technology
provides a breakthrough hardware and
software solution that helps simplify
monitoring, maximize network availability,
and dramatically reduce costs. Featuring
innovative monitoring, management,
and diagnostic capabilities, Fabric Vision
technology enables administrators to
avoid problems before they impact
operations, helping their organizations
meet Service Level Agreements (SLAs).
Fabric Vision technology includes:
••Monitoring and Alerting Policy Suite
Up to
8.5 Gbps
128 Gbps
6 Gbps
2 Gbps
10.5 Gbps
4.5 Gbps
9 Gbps
...n Gbps
(MAPS): Provides an easy-to-use
solution for pre-built, policy-based
threshold monitoring and alerting.
MAPS proactively monitors the
Dynamic Path Selection (DPS)
Balancing data flow between
multiple trunk groups
Trunk group
Trunk group
8.5 Gbps
6 Gbps
2 Gbps
10.5 Gbps
4.5 Gbps
Up to
128 Gbps
9 Gbps ...n Gbps
Figure 1: Dynamic Path Selection (DPS) augments Brocade ISL Trunking
to route data efficiently between multiple trunk groups.
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DPS
Trunk group
Trunk group
health and performance of the SAN
infrastructure to ensure application
uptime and availability. By leveraging
pre-built, rule-/policy-based templates,
MAPS simplifies fabric-wide threshold
configuration, monitoring, and alerting.
Administrators can configure the entire
fabric (or multiple fabrics) at one time
using common rules and policies, or
customize policies for specific ports or
switch elements.
••Fabric Performance Impact (FPI)
Monitoring: Leverages pre-defined
MAPS policies to automatically detect
and alert administrators to different
latency severity levels, and identifies
slow drain devices that could impact
network performance. This feature uses
advanced monitoring capabilities and
intuitive MAPS dashboard reporting
to indicate various latency severity
levels, pinpointing exactly which devices
are causing or are impacted by a
bottlenecked port.
••Dashboards: Provides integrated
dashboards that display an overall SAN
health view, along with details on out-ofrange conditions, to help administrators
easily identify trends and quickly
pinpoint issues occurring on a switch
or in a fabric.
••Configuration and Operational
Monitoring Policy Automation
Services Suite (COMPASS): Simplifies
deployment, safeguards consistency,
and increases operational efficiencies
of larger environments with automated
switch and fabric configuration services.
Administrators can configure a template
or adopt an existing configuration as
a template and seamlessly deploy
the configuration across the fabric. In
addition, they can ensure that settings
do not drift over time with COMPASS
configuration and policy violation
monitoring within Brocade Network
Advisor dashboards.
••Brocade ClearLink Diagnostics:
Ensures optical and signal integrity for
Gen 5 Fibre Channel optics and cables,
simplifying deployment and support of
high-performance fabrics. ClearLink
Diagnostic Port (D_Port) is an advanced
capability of Gen 5 Fibre Channel
platforms.
••Flow Vision: Enables administrators to
identify, monitor, and analyze specific
application flows in order to simplify
troubleshooting, maximize performance,
avoid congestion, and optimize
resources. Flow Vision includes:
-- Flow Monitor: Provides
comprehensive visibility into flows
within the fabric, including the ability to
automatically learn flows and nondisruptively monitor flow performance.
Administrators can monitor all flows
from a specific host to multiple
targets/LUNs, from multiple hosts
to a specific target/LUN, or across
a specific ISL. Additionally, they
can perform LUN-level monitoring
of specific frame types to identify
resource contention or congestion that
is impacting application performance.
-- Flow Generator: Provides a builtin traffic generator for pre-testing
and validating the data center
infrastructure—including route
verification and integrity of optics,
cables, ports, back-end connections,
and ISLs—for robustness before
deploying applications.
••Forward Error Correction (FEC):
Enables recovery from bit errors in ISLs,
enhancing transmission reliability and
performance.
••Credit Loss Recovery: Helps overcome
BROCADE FABRIC VISION
TECHNOLOGY
Brocade Fabric Vision technology,
an extension of Gen 5 Fibre Channel,
provides unprecedented insight and
visibility across the storage network with
powerful built-in monitoring, management,
and diagnostic tools that enable
organizations to:
••Simplify monitoring:
–– Deploy more than 15 years of SAN
best practices in one click to simplify
the deployment of monitoring with
pre-defined, threshold-based rules,
actions, and policies
–– Gain comprehensive visibility into
network health, performance, latency
and congestion issues in the fabric
using browser-accessible dashboards
with drill-down and point-in-time
playback capabilities
••Increase availability:
–– Avoid 50 percent of common network
problems with proactive monitoring
and advanced diagnostic tools that
address problems before they impact
operations
–– Identify hot spots and automatically
mitigate network problems—before
they impact application performance—
through intuitive reporting, trend
analysis, and integrated actions
••Dramatically reduce costs:
–– Eliminate nearly 50 percent of
maintenance costs through automated
testing and diagnostic tools that
validate the health, reliability, and
performance of the network prior
to deployment
–– Save up to millions of dollars on
CapEx costs by eliminating the need
for expensive third-party tools through
built-in monitoring and diagnostics
performance degradation and
congestion due to buffer credit loss.
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Brocade Network Advisor
Brocade Network Advisor simplifies
Gen 5 Fibre Channel management
and helps users proactively diagnose
and resolve issues to maximize uptime,
increase operational efficiency, and
reduce costs. The wizard-driven interface
dramatically reduces deployment and
configuration times by allowing fabrics,
switches, and ports to be managed
as groups. Customizable dashboards
graphically display performance and
health indicators out of the box, including
all data captured using Brocade Fabric
Vision technology. To accelerate
troubleshooting, administrators can use
dashboard playback to quickly review
past events and identify problems in the
fabric. In addition, dashboards and reports
can be configured to show only the most
relevant data, enabling administrators to
more efficiently prioritize their actions and
maintain network performance.
A Building Block for Virtualized,
Private Cloud Storage
The Brocade 6520 provides a critical
building block for today’s highly
virtualized, private cloud storage
environments. It simplifies server
virtualization and Virtual Desktop
Infrastructure (VDI) management while
meeting the high-throughput demands
of Solid State Disks (SSDs). The Brocade
6520 also supports multitenancy in cloud
environments through Virtual Fabrics,
Quality of Service (QoS), and fabricbased zoning features.
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The Brocade 6520 enables secure metro
extension to virtual private or hybrid
clouds with 10 Gbps Dense Wavelength
Division Multiplexing (DWDM) link
support, as well as in-flight encryption and
data compression to optimize bandwidth
and minimize the risk of unauthorized
access. With four times more in-flight
encryption and compression ports than
the Brocade 6510 Switch, the Brocade
6520 supports higher data volumes over
long distance. The switch also features
on-board data security and acceleration,
minimizing the need for separate
acceleration appliances to support
distance extension. Internal fault-tolerant
and enterprise-class RAS features help
minimize downtime to support missioncritical cloud environments.
Brocade Global Services
Brocade Global Services has the
expertise to help organizations build
scalable, efficient cloud infrastructures.
Leveraging 15 years of expertise in
storage, networking, and virtualization,
Brocade Global Services delivers worldclass professional services, technical
support, network monitoring services,
and education, enabling organizations
to maximize their Brocade investments,
accelerate new technology deployments,
and optimize the performance of
networking infrastructures.
Maximizing Investments
To help optimize technology investments,
Brocade and its partners offer complete
solutions that include professional
services, technical support, and education.
For more information, contact a Brocade
sales partner or visit www.brocade.com.
BROCADE 6520 SPECIFICATIONS
System Architecture
Fibre Channel ports
Switch mode (default): 48-, 72-, and
96-port configurations (24-port increments
through Ports on Demand [PoD] licenses);
E, F, M, D, EX ports
Scalability
Full fabric architecture with a maximum of
239 switches
Certified maximum
6,000 active nodes; 56 switches, 19 hops
in Brocade Fabric OS® fabrics; larger fabrics
certified as required
Performance
Fibre Channel: 2.125 Gbps line speed,
full duplex; 4.25 Gbps line speed, full
duplex; 8.5 Gbps line speed, full duplex;
10.53 Gbps line speed, full duplex; 14.025
Gbps line speed, full duplex; auto-sensing
of 2, 4, 8, and 16 Gbps port speeds; 10
Gbps optionally programmable to fixed port
speed
ISL trunking
Frame-based Trunking with up to eight
16 Gbps ports per ISL trunk; up to 128 Gbps
per ISL trunk. Exchange-based load
balancing across ISLs with DPS included in
Brocade Fabric OS.
Aggregate bandwidth
1,536 Gbps: 96 ports × 16 Gbps data rate
Maximum fabric latency
Latency for locally switched ports is 700 ns;
latency between port groups is 2.1 μsec,
cut-through routing at 16 Gbps between
locally switched groups.
Encryption/compression is 5.5 μsec per
node; Forward Error Correction (FEC) adds
400 ns between E_Ports (enabled by
default).
Maximum frame size
2,112-byte payload
Frame buffers
8,192 dynamically allocated
Classes of service
Class 2, Class 3, Class F (inter-switch
frames)
Port types
D_Port (ClearLink Diagnostic Port), E_Port,
EX_Port, F_Port, M_Port (Mirror Port);
optional port type control
Data traffic types
Fabric switches supporting unicast
Media types
16 Gbps: Brocade 6520 requires Brocade
hot-pluggable SFP+, LC connector; 16 Gbps
SWL, LWL, ELWL
10 Gbps: Brocade 6520 requires Brocade
hot-pluggable SFP+, LC connector; 10
Gbps SWL, LWL
USB
One USB port for system log file
downloads or firmware upgrades
Fabric services
Monitoring and Alerting Policy Suite
(MAPS); Flow Vision; Top Talkers for
E_Ports, F_Ports, and Fabric mode;
Brocade Adaptive Networking (Ingress Rate
Limiting, Traffic Isolation, QoS); Bottleneck
Detection; Brocade Advanced Zoning
(default zoning, port/WWN zoning,
broadcast zoning); Dynamic Fabric
Provisioning (DFP); Dynamic Path Selection
(DPS); Brocade Extended Fabrics;
Enhanced BB credit recovery; Enhanced
Group Management (EGM); FDMI; Frame
Redirection; Frame-based Trunking; FSPF;
Integrated Routing; IPoFC; Brocade ISL
Trunking; Management Server; NPIV; NTP
v3; Port Fencing; Registered State Change
Notification (RSCN); Reliable Commit
Service (RCS); Server Application
Optimization (SAO); Simple Name Server
(SNS); Virtual Fabrics (Logical Switch,
Logical Fabric)
Extension
Fibre Channel, in-flight compression
(Brocade LZO) and encryption (AESGCM-256); integrated optional 10 Gbps
Fibre Channel for DWDM MAN connectivity
Management
Supported management
software
HTTP, SNMP v1/v3 (FE MIB, FC
Management MIB), SSH v2; Auditing,
Syslog; Brocade Advanced Web Tools;
Brocade Network Advisor SAN Enterprise
or Brocade Network Advisor SAN
Professional/Professional Plus; Command
Line Interface (CLI); SMI-S compliant;
Administrative Domains; trial licenses for
add-on capabilities
Security
AES-GCM-256 encryption on ISLs; DHCHAP (between switches and end devices),
FCAP switch authentication; FIPS 140-2
L2-compliant, HTTPS, IPsec, IP filtering,
LDAP with IPv6, OpenLDAP, Port Binding,
RADIUS, TACACS+, User-defined RoleBased Access Control (RBAC), Secure
Copy (SCP), Secure RPC, SFTP, SSH v2,
SSL, Switch Binding, Trusted Switch
Management access
10/100/1000 Mbps Ethernet (RJ-45),
in-band over Fibre Channel, serial port (RJ45), and one USB port
8 Gbps: Brocade 6520 requires Brocade
hot-pluggable SFP+, LC connector; 8 Gbps
SWL, LWL, ELWL
Fibre Channel distance subject to fiberoptic cable and port speed
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BROCADE 6520 SPECIFICATIONS (Continued)
Management (Continued)
Diagnostics
Environment
ClearLink optics and cable diagnostics,
including electrical/optical loopback, link
traffic/latency/distance; flow mirroring; builtin flow generator; POST and embedded
online/offline diagnostics, including
environmental monitoring, FCping and
Pathinfo (FC traceroute), frame viewer, nondisruptive daemon restart, port mirroring,
optics health monitoring, power monitoring,
RAStrace logging, and Rolling Reboot
Detection (RRD)
Operating environment
Humidity: 10% to 85% (non-condensing)
Non-operating
environment
Temperature: −25°C to 70°C/−13°F to 158°F
Operating altitude
Up to 3,000 m (9,842 ft)
Storage altitude
Up to 12 km (39,370 ft)
Shock
Operating: Up to 20 G, 6 ms half-sine
Front-to-back airflow; power from back, 2U
Back-to-front airflow; power from back, 2U
Size
Vibration
Operating: 0.5 g sine, 0.4 grms random,
5 Hz to 500 Hz
Non-operating: 2.0 g sine, 1.1 grms random,
5 Hz to 500 Hz
Width: 429.25 mm (16.90 in.)
Height: 86.74 mm (3.42 in.)
System weight
Humidity: 10% to 90% (non-condensing)
Non-operating: Half sine, 33 G 11 ms,
3/eg axis
Mechanical
Enclosure
Temperature: 0°C to 40°C/32°F to 104°F
Depth: 609.75 mm (24.01 in.)
Heat dissipation
96 ports at 1,582 BTU/hr
16.92 kg (37.3 lb) with two power supply
FRUs, without transceivers
Airflow
Three hot-swappable, redundant fans;
reversible airflow options (front-to-back and
back-to-front); maximum 109 CFM (cu. ft./
min); nominal 33 CFM
Power
Power supply
Dual, hot-swappable redundant power
supplies with integrated system cooling fans
AC input
85 V to 264 V ~5 A to 2.5 A
Input line frequency
47 Hz to 63 Hz
Power consumption
464 W with all 96 ports populated with
16 Gbps SWL optics
183 W for empty chassis with no optics
Corporate Headquarters
San Jose, CA USA
T: +1-408-333-8000
info@brocade.com
European Headquarters
Geneva, Switzerland
T: +41-22-799-56-40
emea-info@brocade.com
Asia Pacific Headquarters
Singapore
T: +65-6538-4700
apac-info@brocade.com
© 2015 Brocade Communications Systems, Inc. All Rights Reserved. 06/15 GA-DS-1722-04
ADX, Brocade, Brocade Assurance, the B-wing symbol, DCX, Fabric OS, HyperEdge, ICX, MLX, MyBrocade, OpenScript,
The Effortless Network, VCS, VDX, Vplane, and Vyatta are registered trademarks, and Fabric Vision and vADX are trademarks
of Brocade Communications Systems, Inc., in the United States and/or in other countries. Other brands, products, or service
names mentioned may be trademarks of others.
Notice: This document is for informational purposes only and does not set forth any warranty, expressed or implied, concerning any
equipment, equipment features, or service offered or to be offered by Brocade. Brocade reserves the right to make changes to this
document at any time, without notice, and assumes no responsibility for its use. This information document describes features that
may not be currently available. Contact a Brocade sales office for information on feature and product availability. Export of technical
data contained in this document may require an export license from the United States government.
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Corporate Headquarters
San Jose, CA USA
T: +1-408-333-8000
info@brocade.com
European Headquarters
Geneva, Switzerland
T: +41-22-799-56-40
emea-info@brocade.com
Asia Pacific Headquarters
Singapore
T: +65-6538-4700
apac-info@brocade.com
© 2015 Brocade Communications Systems, Inc. All Rights Reserved. 06/15 GA-DS-1722-04
ADX, Brocade, Brocade Assurance, the B-wing symbol, DCX, Fabric OS, HyperEdge, ICX, MLX, MyBrocade, OpenScript,
The Effortless Network, VCS, VDX, Vplane, and Vyatta are registered trademarks, and Fabric Vision and vADX are trademarks
of Brocade Communications Systems, Inc., in the United States and/or in other countries. Other brands, products, or service
names mentioned may be trademarks of others.
Notice: This document is for informational purposes only and does not set forth any warranty, expressed or implied, concerning any
equipment, equipment features, or service offered or to be offered by Brocade. Brocade reserves the right to make changes to this
document at any time, without notice, and assumes no responsibility for its use. This information document describes features that
may not be currently available. Contact a Brocade sales office for information on feature and product availability. Export of technical
data contained in this document may require an export license from the United States government.
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