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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,北京华教公司,Basics of Switching,什么是交换机?,采用电路交换技术的多端口网桥,为什么用交换机?,增加带宽,提高性能,避免集线器内的碰撞,同时建立多个会话连接,10BaseT hub,100BaseT hub,ATM/FastGb,EtherSwitch,Workgroup switch,Multilayer,switch,速率的提高,北京华教公司,Store-and-forward,Cut-through,Adaptive cut-through,Fragment-free,Data,SA,Type,CRC,DA,交换的方式,北京华教公司,不同媒体之间的交换,Automated Packet Recognition/Translation,FDDI,Fast Ethernet,APaRT,北京华教公司,Benefits of Switching,高转发率,全双工,即插即用,VLAN,北京华教公司,Layer 3:Switch or Route?,or,Design choices depend on issues such as network migration,feature requirements,performance,YES,北京华教公司,FE duplex,Redundant FE duplex,Fast,EtherChannel,北京华教公司,Data center,Wiring closets,Fast EtherChannel Application,北京华教公司,Resilience for Diverse Fiber Runs,Data center,East fiber run400 Mbps,West fiber run 400 Mbps,Wiring Closet,800 Mbps,北京华教公司,Catalyst Switches,Cisco Product Essentials,for System Engineers,Cisco IOS,TM,/Flexibility,Price,Stackable,Modular,5002,5000,5500,3000,Standalone,2900XL,1900E,2820E,5505,3500,Catalyst Family,北京华教公司,Fast Ethernet Technology Review,IEEE Fast Ethernet standard?,10,Mbps,or 100,Mbps,?,Cabling distances?,北京华教公司,Product response to networking needs,Student Activity,北京华教公司,Catalyst 1900,Catalyst 2820,Catalyst 1924/2924 Switches,北京华教公司,12 or 24 switched 10BaseT ports+one switched AUI,1024 MAC addresses,Two,fixed 100BaseT ports on all models,Two 100BaseTX ports or,One 100BaseTX port and one 100BaseFX port,Smaller nine-inch footprint,SPAN port,Optional redundant power supply,Catalyst 1924,北京华教公司,Catalyst 2924E,24 switched 10/100BaseT ports,2048 or 8192 MAC addresses,Two expansion slots for high-speed modules,100Base,FDDI,and ATM ports,SPAN port,Optional external redundant power supply,北京华教公司,Catalyst 1924E/2924E Cisco IOS Features,SPAN,STP,Broadcast storm control,CDP,RMON,CGMP,ISL/VTP,APaRT,ATM LANE,北京华教公司,Catalyst 1900E/2924E Applications,Backbone for smaller networks,1924E/2924E workgroup switching,Aggregator or alternative to 10BaseT hubs,Switched workgroup to ATM or mixed-media backbone,北京华教公司,100BaseT or FDDI servers,10BaseT hub,10BaseT hub,Switched 10BaseT clients,Switched 10BaseT workgroup,Switched 10BaseT workgroup,Catalyst 1900 or 2924 switch,Catalyst 1924/2924 Application,北京华教公司,Floor 2,Floor 1,Cisco 3640 router,Powerworkgroup,Serverfarm,FastHub,316T100BaseT repeater,Catalyst 1900 switch,Catalyst 2924 switch,Catalyst 1900 switch,Catalyst 1924/2924 Application,北京华教公司,100BaseTservers,Switched 100BaseTclients,Catalyst 2924switch with GBIC module,Switched 10BaseTclients,Catalyst 5500 switch with gigabit module,Cisco 7000 router,Catalyst 1900E,FE with ISL VLAN,trunking,Catalyst 1924/2924 Application,北京华教公司,Enterprise Edition software,Full-duplex operation,Autonegotiation,10BaseT port flow control,Web-based network management,Four groups of embedded RMON,CGMP,VLANs,with ISL,trunking,EtherChannel,Multilevel security,Up to 64 ATM,ELANs,Transparent LAN services,Features and Benefits,Catalyst 1924/2924,北京华教公司,9-,23,Catalyst 2900 Series XL Fast Ethernet Switches,Unit price,Low port density,High port density,Versatile modularity,Catalyst 2908 XL,8 10/100 ports,Ideal for SMB LAN backbones,Catalyst 2924C XL,Catalyst 2924 XL,22 10/100 ports,2 100BaseFX ports,Ideal for desktop and server connectivity,24 10/100 ports,Ideal for desktop and server connectivity,Catalyst 2916M XL,16 10/100 ports,Two versatile module slots,Ideal for LAN aggregation and desktop and server connectivity,Catalyst 2900 Series XL,24 10/100 Mbps ports,or,22 10/100 Mbps TX ports and 2 100 Mbps FX ports,Ideal for desktop connections,22 or 24 10/100 Mbps ports,Two switched 100BaseFX ports(Catalyst 2924C XL),Fast EtherChannel uplinks,Catalyst 2924 XL/2924C XL,16 10BaseT/100BaseTX ports,Two versatile module slots,Ideal for desktop connection or workgroup aggregation,16 10/100 Mbps ports,Two versatile module slots:,4-port switched 10BaseT/100BaseTX,2-port switched 100BaseFX,ISL,ATM,Gigabit Ethernet(end-1998),Catalyst 2916M XL,Catalyst 2900 XL Architecture Key Advantages,Outstanding performance,Ease-of-use,Versatile modularity,Comprehensive management,Security and redundancy,Outstanding Performance,3.2 Gbps switching fabric,3.0 million pps forwarding rate and 1.6 Gbps forwarding bandwidth ensure wire-speed operation,4 MB shared memory architecture,Fast EtherChannel uplink support,CGMP multicast support,Broadcast storm control,management interface,10/100 autosensing,Half-/full-duplex,autonegotiation,Configuration stored in Flash memory,Ease of Use,多样的模块,Two versatile module slots,Optional expansion modules:,4-port 10BaseT/100BaseTX switch module,2-port 100BaseFX switch module,ATM interface modules,ISL feature module,Gigabit Ethernet(end 1998),全面的管理功能,Autoconfiguration,for easy deployment,Cisco Discovery Protocol,Manageable by,CiscoWorks,Embedded agent supports four RMON groups,SPAN port supports all nine RMON groups with external probe,Easy to read,LEDs,Catalyst 2900 Series XL Applications,Desktop connectivity,Workgroup closet aggregation,Backbone f
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