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
8 Gbps: Brocade 6520 requires Brocade hot-pluggable SFP+, LC connector; 8 Gbps SWL, LWL, ELWL
Fibre Channel distance subject to fiber-optic cable and port speed

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 (AES-GCM-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; DH-CHAP (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 Role-Based 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 (RJ-45), and one USB port

Diagnostics

ClearLink optics and cable diagnostics, including electrical/optical loopback, link traffic/latency/distance; flow  mirroring; built-in flow generator; POST and embedded online/offline diagnostics, including environmental  monitoring, FCping and Pathinfo (FC traceroute), frame viewer, non-disruptive daemon restart, port mirroring, optics health monitoring, power monitoring, RAStrace logging, and Rolling Reboot Detection (RRD)

Enclosure

Front-to-back airflow; power from back, 2U
Back-to-front airflow; power from back, 2U

Size

Width: 429.25 mm (16.90 in.)
Height: 86.74 mm (3.42 in.)
Depth: 609.75 mm (24.01 in.)

System weight

16.92 kg (37.3 lb) with two power supply FRUs, without transceivers

Environment

Operating environment

Temperature: 0°C to 40°C/32°F to 104°F
Humidity: 10% to 85% (non-condensing)

Non-operating environment

Temperature: -25°C to 70°C/-13°F to 158°F
Humidity: 10% to 90% (non-condensing)

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
Non-operating: Half sine, 33 G 11 ms, 3/eg axis

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

Heat dissipation

96 ports at 1,582 BTU/hr

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