博科300光纖交換機概述：

Brocade 300（博科光纖交換機|博科300|BR-310-0008|BR-320-0008|BR-340-0008|BR-360-0008）是一款吞吐量達8 Gbit/秒的光纖通道交換機，是專為小型SAN或大型SAN邊緣設(shè)計的經(jīng)濟型入門級解決方案。它使中小型企業(yè)可以簡化IT基礎(chǔ)設(shè)施，提高系統(tǒng)性能，最大限度地發(fā)揮虛擬服務(wù)器部署的價值并降低總體存儲成本。

經(jīng)濟合算的SAN技術(shù)

Brocade 300（博科光纖交換機|博科300|BR-310-0008|BR-320-0008|BR-340-0008|BR-360-0008）能夠以入門級解決方案的價格提高卓越的性能和強大的功能。它將1、2、4和8 Gbit/秒的光纖通道吞吐量自動偵測與旨在增強光纖架構(gòu)性能的功能結(jié)合在一起。Brocade 300能夠提供如此強大的功能，而每端口的功耗還不到2.5瓦，因此，具有出色的功率和冷卻效率。

Brocade 300（博科光纖交換機|博科300|BR-310-0008|BR-320-0008|BR-340-0008|BR-360-0008）采用了一種無阻塞架構(gòu)，最多支持24個端口同時以8 Gbit/秒（全雙工）的速率運行，并且不會出現(xiàn)超量使用現(xiàn)象——總帶寬為192 GB/秒。另外，增強的Brocade ISL干線合并還可以支持最高吞吐量達64 GB/秒的單一邏輯高速干線。

簡化的管理

借助Brocade EZSwitchSetup安裝向?qū)В梢暂p松便捷地安裝和配置Brocade 300（博科光纖交換機|博科300|BR-310-0008|BR-320-0008|BR-340-0008|BR-360-0008），交換機的配置、部署和管理變成了簡單的三步點擊操作。在多交換機環(huán)境中，博科網(wǎng)絡(luò)顧問軟件（Brocade Network Advisor）可提供全面的數(shù)據(jù)中心Fabric架構(gòu)管理功能，包括博科骨干網(wǎng)、交換機和適配器的配置、監(jiān)控和管理。Brocade 300 可兼容Microsoft Simple SAN，另外還帶有一個可通過簡化固件升級和系統(tǒng)日志文件下載來提高維護簡便性和錯誤記錄的USB端口。

簡單快捷的擴展

Brocade 300（博科光纖交換機|博科300|BR-310-0008|BR-320-0008|BR-340-0008|BR-360-0008）易于部署和管理，并且可以輕松集成到新的和現(xiàn)有的IT環(huán)境中。Brocade 300具有按需端口擴展（Ports on Demand）（端口可由8個擴展至16或24個）等多種功能，因此，企業(yè)可以根據(jù)需要隨時擴展自己的存儲網(wǎng)絡(luò)而不會影響業(yè)務(wù)正常運行。另外，企業(yè)可以先部署4 Gbit/秒的SFP，然后根據(jù)需要升級為8 Gbit/秒的SFP。

高級連接選項

Brocade300可作為一款全光纖交換機或作為一款Brocade Access Gateway（接入網(wǎng)關(guān)）進行部署，能提供到任一SAN網(wǎng)絡(luò)的連接（其默認模式設(shè)置是一款交換機）。接入網(wǎng)關(guān)模式采用N_Port ID虛擬化（NPIV）交換機標(biāo)準(zhǔn)，可將光纖通道連接作為邏輯設(shè)備提呈到SAN Fabric架構(gòu)中。如果利用支持NPIV技術(shù)的交換機和導(dǎo)向器進行連接，接入網(wǎng)關(guān)模式下的Brocade 300可以連接到Brocade、McDATA或其它SAN Fabric架構(gòu)。

Brocade光收發(fā)模塊

Brocade 8 Gbit/sec交換機需要Brocade光收發(fā)模塊。這種模塊有多種型號，可以滿足不同的速度和距離要求。這些小型可插拔（SFP）模塊最適合用于Brocade 8Gbit/sec產(chǎn)品，可以最大限度地提高性能，降低功耗，幫助確保關(guān)鍵任務(wù)應(yīng)用的最高可用性。（博科光纖交換機|博科300|BR-310-0008|BR-320-0008|BR-340-0008|BR-360-0008）

行業(yè)標(biāo)準(zhǔn)遵從

Brocade產(chǎn)品符合行業(yè)標(biāo)準(zhǔn)，而且采用了普遍接受的工程實踐和流程。（博科光纖交換機|博科300|BR-310-0008|BR-320-0008|BR-340-0008|BR-360-0008）

博科300光纖交換機特性：

•       為入門級SAN提供價格合理的基礎(chǔ)設(shè)備

•       在一個1U機架中為最多24個端口提供8 Gbit/秒的1：1性能

•       借助Brocade EZSwitchSetup安裝向?qū)Ш喕渲煤凸芾恚⑶铱梢耘cMicrosoft Simple SAN兼容

•       包括Brocade Network Advisor Professional（博科網(wǎng)絡(luò)顧問軟件專業(yè)版），可實現(xiàn)多交換機監(jiān)控和管理

•       提供“邊增長邊付費”式可擴展性，利用按需端口擴展（PoD）功能將端口數(shù)量從8個擴展到16或24個

•       提供雙功能，既可作為全光纖SAN交換機，也可以用作支持N_Port ID Virtualization（NPIV）的Brocade接入網(wǎng)關(guān)設(shè)備

•       提供適應(yīng)性網(wǎng)絡(luò)服務(wù)，如服務(wù)質(zhì)量（QoS），幫助企業(yè)優(yōu)化整合虛擬環(huán)境中的應(yīng)用性能

•       借助1、2、4和8 Gbit/秒自動偵測功能，保護現(xiàn)有設(shè)備投資

•       將帶寬增長與功耗降低結(jié)合起來，提高能效

•       面向未來的投資保護，使企業(yè)可以先部署4 Gbps SFP，然后在需要時升級到8 Gbps SFP+

博科300光纖交換機規(guī)格：

Systems Architecture

Fibre Channel ports

•       Switch mode (default): 8-, 16-, and 24-port configurations (8-port increments through Ports on Demand licenses); universal (E, F, M, FL) ports

•       Access Gateway Default Port Mapping: 16 F_Ports, 8 N_Ports

Scalability

•       Full fabric architecture with 239 switches maximum

Certified maximum

•       Single Brocade FOS fabric: 56 domains, 19 hops

•       Single Brocade M-EOS fabric: 31 domains, 3 hops

•       Larger fabrics certified as required; consult Brocade or OEM SAN design documents for configuration details

Performance

•       1.063 Gbit/sec line speed, full duplex; 2.125 Gbit/sec line speed, full duplex; 4.25 Gbit/sec line speed, full duplex; 8.5 Gbit/sec line speed, full duplex; auto-sensing of 1, 2, 4, and 8 Gbit/sec port speeds; optionally programmable to fixed port speed; speed matching between 1, 2, 4, and 8 Gbit/sec ports

ISL Trunking

•       Frame-based trunking with up to eight 8 Gbit/sec ports per ISL trunk with optional license; up to 64 Gbit/sec per ISL trunk (8 ports × 8 Gbit/sec [data rate])

•       Exchange-based load balancing across ISLs with DPS included in Fabric OS

Aggregate bandwidth

•       192 Gbit/sec: 24 ports × 8 Gbit/sec (data rate)

Maximum fabric latency

•       700 ns with no contention, cut-through routing at 8 Gbit/sec

Maximum frame size

•       2112-byte payload

Frame buffers

•       700 dynamically allocated, 484 maximum per port

Classes of service

•       Class 2, C lass 3, C lass F (inter-switch frames)

Port types

•       FL_Port, F_Port, M_Port (Mirror Port), and E_Port; self-discovery based on switch type (U_Port); optional port type control

•       Brocade Access Gateway mode: F_Port and NPIV-enabled N_Port

Data traffic types

•       Fabric switches supporting unicast, multicast (255 groups) and broadcast

Media types

•       8 Gbit/sec: Requires Brocade hot-pluggable SFP+, LC connector; 8 Gbit/sec Short-Wavelength Laser (SWL); 8 Gbit/sec Long-Wavelength Laser (LWL); distance depends on fiber-optic cable and port speed

•       4 Gbit/sec: Requires Brocade hot-pluggable, Small Form-factor Pluggable (SFP), LC connector; 4 Gbit/sec Short-Wavelength Laser (SWL); 4 Gbit/sec Long-Wavelength Laser (LWL); 4 Gbit/sec Extended Long-Wavelength Laser (ELWL); distance depends on fiber-optic cable and port speed

USB

•       1 USB port for firmware download, support save, and configuration upload/download

Fabric services

Note: Some fabric services do not apply or are unavailable in Brocade Access Gateway mode

•       Simple Name Server (SNS); Registered State Change Notification (RSCN); NTP v3; Reliable Commit Service (RCS); Dynamic Path Selection (DPS); Brocade Advanced Zoning (default zoning, port/WW N zoning, broadcast zoning); NPIV; N_Port Trunking; FDMI; Management Server; FSPF; Fabric Watch; Extended Fabrics; ISL Trunking; Advanced Performance Monitoring; Adaptive Networking (per data flow QoS, Ingress Rate Limiting, Traffic Isolation, Top Talkers; licensing varies); IPoFC, Integrated Routing; Frame Redirection; Port Fencing; BB credit recovery

Options

•       Rack-mount rail kits (fixed, slide, mid-mount)

Management

Management

•       HTTP, SNMP v1/v3 (FE MIB, FC Management MIB), Telnet; Auditing, Change Management tracking, Syslog; Brocade Advanced Web Tools, Brocade Fabric Watch; EZSwitchSetup wizard, Brocade Data Center Fabric Manager (DCFM), Brocade Fabric Manager (optional, FOS environments only), Brocade EFCM 9.x (optional), command line interface; SMI-S compliant, SMI-S scripting toolkit; Administrative Domains; trial licenses for add-on capabilities

Security

•       DH-CHAP (between switches and end devices), HTTPS, IPsec, IP Filtering, LDAP, Port Binding, RADIUS, Role-Based Access Control (RBAC), Secure Copy (SCP), Secure RPC, SSH v2, SSL, Switch Binding, Trusted Switch

Management access

•       10/100 Ethernet (RJ-45), in-band over Fibre Channel; serial port (RJ-45); USB; call-home integration enabled through Brocade EFCM and Brocade Fabric Manager

Diagnostics

•       POST and embedded online/offline diagnostics, including RAStrace logging, environmental monitoring, non-disruptive daemon restart, FCping and Pathinfo (FC traceroute), port mirroring (SPAN port)

Mechanical

Enclosure

•       Non-port to port side airflow; 1U, 19-inch EIA-compliant, power from port side

Size

•       Width: 42.88 cm (16.88 in)

•       Height: 4.29 cm (1.69 in)

•       Depth: 30.66 cm (12.07 in)

System weight

•       4.2 kg (9.30 lbs), without SFP/SFP+ media

Environment

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: 10% to 85% non-condensing

•       Non-operating and storage: 10% to 95% non-condensing

Altitude

•       Operating: Up to 3000 meters (9842 feet)

•       Non-operating and Storage: Up to 12 km (39,370 feet)

Shock

•       Operating: 20 g, 6 ms half-sine

•       Non-operating and storage: Half sine, 33 g 11 ms, 3/eg Axis

Vibration

•       Operating: 0.5 g sine, 0.4 grms random, 5 to 500 Hz

•       Non-operating and storage: 2.0 g sine, 1.1 grms random, 5 to 500 Hz

Heat dissipation

•       Maximum 24 ports: 195 BTU/hr

CO2 emissions

•       210 kg per year (with 16 ports at 0.42 kg/kWh)

•       1.09 kg per Gbit/sec per year

Airflow

•       Maximum 23 C FM (cu. ft./min.); nominal 18 C FM

Power

Power supply

•       Single, fixed power supply

Power inlet

•       C13

Input voltage

•       85 to 264 VAC nominal

Frequency

•       47 to 63 Hz

Power consumption

•       Nominal 48 watts; maximum 57 watts with 24 ports at 8 Gbit/sec