
nexus 9000系列.pptx
40页Cisco Confidential1C97-730019-01 © 2013 Cisco and/or its affiliates. All rights reserved.Cisco Nexus 9000系列交换机 Cisco NX-OS 模型March 2014C97-730019-01 © 2013 Cisco and/or its affiliates. All rights reserved.Cisco Confidential2AgendaCisco Nexus 9000 Cisco Nexus 9000 系列交系列交换换机的介机的介绍绍NexusNexus 9500 9500NexusNexus 9300 9300 FEX FEX 对对Nexus 9000Nexus 9000支持支持Network Design and Scaling with Nexus 9000Network Design and Scaling with Nexus 9000Enhanced Enhanced NXNX-OS Automation and Programmability-OS Automation and ProgrammabilityC97-730019-01 © 2013 Cisco and/or its affiliates. All rights reserved.Cisco Confidential3Cisco Nexus 9000 Series Switches High-Performance 10 Gbps/40 Gbps/100 Gbps Switch FamilyFLEXIBLE FORM FACTORS CAN ENABLE VARIABLE DATA CENTER DESIGN AND SCALINGFLEXIBLE FORM FACTORS CAN ENABLE VARIABLE DATA CENTER DESIGN AND SCALINGNexusNexus® ®9300 9300Nexus 9500Nexus 95004848 1/10G SFP+ 1/10G SFP+ 90-94% power efficiency across all workloads‒3.5 W/10 Gbps port‒14 W/40 Gbps portFirst modular chassis without a mid-plane‒Unobstructed front-to-back airflowVXLAN bridging, gateway, routingHighly integrated switch and buffer functionality‒Only 2 to 4 ASICs per line card‒No buffer bloat‒Mix of 28 nm Cisco® and 40 nm Broadcom ASICsC97-730019-01 © 2013 Cisco and/or its affiliates. All rights reserved.Cisco Confidential6Nexus 9500 Platform Architecture 8-Slot Modular Chassis Nexus Nexus® ®9508 9508 前前视图视图Nexus 9508 Nexus 9508 后后视图视图8 8 行行卡插槽卡插槽 每个接口最大每个接口最大3.843.84TB TB 全双工全双工冗余的管理引擎冗余的管理引擎支持支持3000W AC3000W AC电电源源 2+02+0, 2+1, 2+2 redundancy, 2+1, 2+2 redundancy Supports up to 8 power suppliesSupports up to 8 power suppliesRedundant system controller Redundant system controller cardscards3 or 6 fabric modules 3 or 6 fabric modules (behind fan trays)(behind fan trays)3 fan trays, front-to-back 3 fan trays, front-to-back airflowairflowNo mid-plane for No mid-plane for LC-to-FM connectivityLC-to-FM connectivityDesigned for Power and Cooling EfficiencyDesigned for Power and Cooling Efficiency Designed for Reliability Designed for Reliability Designed for Future ScaleDesigned for Future ScaleChassis Dimensions: 13 RU x 30 in. x 17.5 in (HxWxD) Chassis Dimensions: 13 RU x 30 in. x 17.5 in (HxWxD) C97-730019-01 © 2013 Cisco and/or its affiliates. All rights reserved.Cisco Confidential7Nexus 9500 Platform Architecture 电源模块和风扇 3000 W AC PSU• Single 20 A input – 220 V• Support for a range of international cabling options• Range of PSU configurations‒最少1个电源模块‒2 PSU for a fully-loaded chassis‒N+1 redundancy‒N+N grid redundancy• 2 times the head room for future port densities, bandwidth, and optics‒ Up to 8 PS total• 3 fan trays‒ 3 dual fans per tray‒ Dynamic speed control driven by temperature sensors‒ Straight airflow across line cards and fabric modules• N+1 redundancy per trayC97-730019-01 © 2013 Cisco and/or its affiliates. All rights reserved.Cisco Confidential8Nexus 9500 Platform Architecture Supervisor Module•Redundant half-width supervisor engine•Performance- and scale-focused•Range of management interfaces •External clock input (PPS)Supervisor ModuleSupervisor ModuleProcessor Romley, 1.8 GHz, 4 coreSystem Memory16 GB, upgradable to 48 GBRS-232 Serial PortsOne (RJ-45)10/100/1000 Management PortsOne (RJ-45)USB 2.0 InterfaceTwoSSD Storage64 GB64 GB 64 GB SSDSSD16 GB DRAM16 GB DRAM (Upgradable to 48 GB)(Upgradable to 48 GB)10/100/1000 mgmt port10/100/1000 mgmt portDual USB portsDual USB portsConsole portConsole portPPS clock inputPPS clock inputLatest quad-core Intel Sandy Bridge Latest quad-core Intel Sandy Bridge ProcessorProcessorRedundant paths to system controllersRedundant paths to system controllersC97-730019-01 © 2013 Cisco and/or its affiliates. All rights reserved.Cisco Confidential9架构平台 系统控制模型•冗余设计 的半宽系统控制器•Off loads supervisor from device management tasks‒Increased system resiliency‒Increased scale•Performance- and scale-focused‒Dual core ARM processor, 1.3 GHz•Central point-of-chassis control•Ethernet Out of Band Channel (EOBC) switch:‒1 Gbps switch for intra-node control plane communication (device management)•Ethernet Protocol Channel (EPC) switch: ‒1 Gbps switch for intra-node data plane communication (protocol packets)•Power supplies through system management bus (SMB) Fan traysC97-730019-01 © 2013 Cisco and/or its affiliates. All rights reserved.Cisco Confidential10Nexus 9500 Fabric Module Fabrics Modules•Interconnect I/O module slots•Installed at the rear of the chassis•Uses Broadcom Trident II ASICs as the network forwarding engine (NFE)•3.84 Tbps duplex per line card slot (6 fabric cards)•1.92 Tbps duplex per line card slot (3 fabric cards)•All fabric cards are active and carry trafficC97-730019-01 © 2013 Cisco and/or its affiliates. All rights reserved.Cisco Confidential11Nexus 9500 Fabric Module Data Plane Scaling For 8-Slot Chassis•Each fabric module for the 8-slot chassis can provide up to 320 Gbps to each I/O module slot•With 6 fabric modules, each I/O module slot can have up。












