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Cisco局域网交换机产品与解决方案2CisxoEducationSolutionAgenda•Cisco局域网交换机产品与技术•Cisco园区网交换解决方案•Cisco解决方案的优势与卖点3CisxoEducationSolutionEnterpriseSolution园区网骨干企业网服务器园区网主机办公服务器全球销售分公司国内研发中心ATMWANFrameRelayWAN移动用户远程办公ISDNPSTN销售分公司互联网组播管理服务质量保证安全4CisxoEducationSolutionContentNetworking内容联网CustomerCare客户服务EnterpriseBusinessSupplyChainManagement供应链管理E-Learning网上学习E-Commerce电子商务5CisxoEducationSolutionCiscoCDNArchitectureE-CommerceCustomerCare:IPTelephonySupplyChainMgmt.PartnershipsCiscoIPFabricQoSSecurityMulticastLoadBalancingCachingDNSServicesAccountingIntelligentNetworkDevicesDevice&PolicyConfigUserMgmt.&DirectoryMonitoringIntelligentNetworkClassificationCISCOContentFlowArchitecture6CisxoEducationSolutionIntegratedData,VoiceandVideoSolutionNewLANinfrastructurerequirementsIntelligentContactManagementE-CommerceUnifiedMessagingIPTelephonyVoice/DataCollaborationE-Learning7CisxoEducationSolutionBenefit•多网合一-基于Web的联系中心,语音数据协作,一体化消息•降低整体拥有成本-减少开支，避免重复建设-降低运营成本•综合管理数据和语音8CisxoEducationSolutionCisco是互联网设备和包括IP语音设备在内的互联网商业解决方案的世界领先厂商Over250,000VoIPgatewayportsalreadyshippedinFY’00Over50,000IPphonesshippedinCY’99WorldwideApplication9CisxoEducationSolutionCiscoIPTelephonyCisco7960Cisco7960/LineModuleMCS-7830/CallManager10CisxoEducationSolutionMarketForecastSource:FrostandSullivan1999TotalDesktopSwitchingEquipmentMarket:RevenueForecast(Wold)1996-2005-2,0004,0006,0008,00010,0001996199719981999200020012002200320042005Revenues($Million)Source:DellOro,1999对LAN支持数据、语音和视频应用的需求，将刺激工作组级交换机市场的增长11CisxoEducationSolutionCustomerNeeds10/100/1000at$100perportNetworkdesigntemplateswithL3routinginthecoreandL2accessinthewiringcloset•CommonIOSmanagement•Web-basedstack/clustermanagementWire-speedGigabitandFastEthernetswitching•Tierednetworkdesign•Highdensitystackabledesktopswitches•ClassificationandqueuingattheLANedge•Congestionmanagementatthebackbone•Bandwidthreserv.andtrafficshapingatWANedge•Dualredundantuplinksondesktopswitches•Redundantbackbonedesignwithstandbyrouting•AccessControlListsforWANandserversecuritySecurityQualityofService/VoiceHighAvailabilityTopPerformancePrice/PerformanceScalabilityIntegratedManagementSimplicity12CisxoEducationSolutionCiscoCatalystSwitchCatalyst1900/2820Catalyst2900&2950SeriesXLCatalyst3500SeriesXLCatalyst4000SeriesCatalyst2948G(-L3)Catalyst4912Catalyst5500Catalyst6x00Catalyst8500价格可扩展性中小企业工作组中小企业骨干大型企业配线间园区网/城域网骨干Catalyst4908G-L3新新Catalyst2980GCatalyst3550-12T13CisxoEducationSolutionCatalystSwitchPositionLayer2Voice语音Layer3企业配线间Content-BasedSwitchingandRouting基于内容的交换与路由中低端市场骨干增值业务Catalyst2948/3550Catalyst4000Catalyst5000Catalyst6000Catalyst1900/28202900/2950/3500Any-to-Any14CisxoEducationSolutionCatalyst1900•12个或24个交换10BaseT端口+1个交换AUI端口•1024个MAC地址•所有型号均有2个百兆固定端口2个100BaseTX端口或2个100BaseFX端口;-或1个100BaseTX端口和1个100BaseFX端口;•SPAN端口•冗余电源•集成化管理•CDP(Cisco发现协议)15CisxoEducationSolutionCatalyst1900定位:桌面/工作组级交换机特性:可堆叠和集群，多种型号卖点:高性能,低价格，平滑升级CISCO:Catalyst1912/1924•多种型号，支持100BaseTX/FX，满足用户需要•支持ISL,满足园区网规模VLAN应用•支持端到端的FEC,防止链路拥挤•支持组播(CGMP),适应多媒体应用•支持SNMP及RMON,方便网络管理•支持每端口安全设置,防止非法使用•支持CISCO独有Cluster集群技术,维护更方便•广播风暴抑制•802.1D生成树(spanningtree)16CisxoEducationSolutionCatalyst2900XLFeatures•杰出性能3.0-Mpps转发速率•两个扩展槽,更灵活的上连模块:GE/ATM/FE等•支持组播(CGMP),提供多媒体应用支持•与其他CISCO产品紧密集成:(VLAN,CGMP,FEC/GEC…),提供最佳的总体网络性能•支持CISCO独有Cluster集群技术,维护更方便17CisxoEducationSolutionISL/802.1QVLAN模块Catalyst2900XLModule•ISL/802.1QVLAN模块-4-port10/100TX-2-port100BaseFX-4-port100BaseFX-ISL/802.1Q•GigabitEthernet模块-单端口1000BaseX插槽模块-支持ISL/802.1Q•ATM模块-单端口OC-3ATM模块，包括:-UTP非屏蔽双绞线-多模光纤-单模光纤(10Km)-长距离单模光纤(40Km)170543_12F9_c4©1998,CiscoSystems,Inc.18CisxoEducationSolutionCatalyst2950Series•所有端口均为线速交换•每秒6,600,000包的转发速率•每秒8.8G位的交换矩阵•每个端口都支持QoS,802.1QVLANTrunking•价格与Catalyst2900系列相近•每端口可达到200Mbps•通过FastEtherChannel®andGigabitEtherchannel®进行带宽聚合19CisxoEducationSolutionFromCatalyst2900toCatalyst2950Catalyst2950ProductDescriptionCatalyst2924-XL-EN(WS-C2924-XL-EN)2410/100ports+210/100/1000BASE-TportsCurrent2900XLProductCatalyst2950T-24(WS-C2950T-24)2410/100portsCatalyst2950-24(WS-C2950-24)Catalyst2912-XL-EN(WS-C2912-XL-EN)1210/100portsCatalyst2950-12(WS-C2950-12)Catalyst2924C-XL-EN(WS-C2924C-XL-EN)2410/100ports+2100BASE-FXportsCatalyst2950C-24(WS-C2950C-24)ORNEW20CisxoEducationSolutionCatalyst2950:QoS•分类/重分类基于每端口802.1p或缺省CoS-入口处获得CoS值-联系CoS到合适的出口队列-重分类标记或未标记帧基于缺省CoS-每端口缺省CoS由用户定义•排队和时序安排-四个出口队列-StrictPriorityScheduling确保高优先级流量总是优先服务-WeightedRoundRobinScheduling确保低优先级队列也可得到安排INGRESSStrictPriorityMediumHighSchedulingEGRESSAssociateCoSvaluestoeachof4queuesWRRLowMediumLowInInPriorityqueueisalwaysservicedfirstIn21CisxoEducationSolutionPrivateVLANEdge•二层端口之间没有单播、组播或广播流量转发•所有保护端口的用户流量必须经过三层设备确保邻居之间不能看到对方的流量123456789101112SiSiPP1PP2PP3PP4PP5PP6PP7PP8PP9PP9TrunkPort1TrunkPort2VLANTrunkCatalyst6500(RoutingFunction)ToRingUnknownunicast/multicastandBroadcastframes,andKnownUnicastframesre-directedtoLayer3deviceviaTrunkPort22CisxoEducationSolutionCatalyst3500XLSeriesForty-Eight10/100PortsTwoGBIC-BasedGEPortsCiscoSwitchClusteringStackable,OneRUIdealforHighDensityDesktopConnectionsCatalyst3548XLTwelve10/100PortsT