CISCO交换机讲稿2.ppt

1、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,北京华教公司,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,交换的方式,北京华教公司,不同媒体之间的交换,北京华教公司,Benefits of Switchi

2、ng,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 Dive

3、rse Fiber Runs,Data center,East fiber run400 Mbps,West fiber run 400 Mbps,Catalyst Switches,北京华教公司,Cisco IOSTM/Flexibility,Price,Stackable,Modular,5002,5000,5500,3000,5505,3500,Catalyst Family,北京华教公司,Fast Ethernet Technology Review,IEEE Fast Ethernet standard? 10 Mbps or 100 Mbps? Cabling distances?

4、,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 100BaseF

5、X 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,

6、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 back

7、bone,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,Catalyst 1924/2924 Application,北京华教公司,100BaseTservers,Switched 100BaseTclients,Catalyst 2924s

8、witch 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 manag

9、ement 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 1924/2924,9-23,Catalyst 2900 Series XL Fast Ethernet Switches,北京华教公司,Unit price,Low port density,High port density,Versatile mod

10、ularity,Catalyst 2908 XL,Catalyst 2924C XL Catalyst 2924 XL,Catalyst 2916M XL,Catalyst 2900 Series XL,北京华教公司,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 EtherCha

11、nnel uplinks,Catalyst 2924 XL/2924C XL,北京华教公司,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),C

12、atalyst 2916M XL,北京华教公司,Catalyst 2900 XL Architecture Key Advantages,Outstanding performance Ease-of-use Versatile modularity Comprehensive management Security and redundancy,北京华教公司,Outstanding Performance,3.2 Gbps switching fabric 3.0 million pps forwarding rate and 1.6 Gbps forwarding bandwidth en

13、sure wire-speed operation 4 MB shared memory architecture Fast EtherChannel uplink support CGMP multicast support Broadcast storm control,北京华教公司,management interface 10/100 autosensing Half-/full-duplex autonegotiation Configuration stored in Flash memory,Ease of Use,北京华教公司,多样的模块,Two versatile modul

14、e 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),北京华教公司,全面的管理功能,Autoconfiguration for easy deployment Cisco Discovery Protocol Manageable by CiscoWorks Embedded agent support

15、s four RMON groups SPAN port supports all nine RMON groups with external probe Easy to read LEDs,北京华教公司,Catalyst 2900 Series XL Applications,Desktop connectivity Workgroup closet aggregation Backbone for small- to medium-sized LANs,北京华教公司,Dedicated 10/100 Mbps to the desktop Fast EtherChannel to the

16、 backbone, or Gigabit Ethernet, ATM, or ISL (2916M XL only),Fast EtherChannel, Gigabit Ethernet, ATM, or ISL connectivity,Catalyst 2916M XL,Fast EtherChannel connectivity,Catalyst 2924/2924C XL,Application: Desktop Connectivity,北京华教公司,FastHub series 100BaseT hubs,Catalyst 2820 Series Ethernet switch

17、,Local servers,Fast EtherChannel or 100BaseTX,Fast EtherChannel, Gigabit Ethernet, ATM, or ISL,Catalyst 5xxx series Cisco 7xxx series,10BaseT hub,1900 Series Ethernet switch,Catalyst 2916M XL,Workgroup aggregation for Ethernet switches, and Ethernet and Fast Ethernet hubs Fast EtherChannel, Gigabit Ethernet, ATM, or ISL to the backbone,Application: 工作组,配线间应用,北京华教公司,Legacy 10BaseT hub,Catalyst 1900/2820 Series Ethernet switches,Fast EtherChannel or 100BaseTX,Workstations/servers,Fas