1、Cisco局域网交换机产品与解决方案,Agenda,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,Enterprise Solution,组播,管理,服务质量 保证,安全,Content Networking 内容联网,Enterprise Business,Cisco CDN Architecture,E-Commerce,Customer Care : IP Telephony,Supply Chain Mgmt.,Cisco IP Fabric,Intelligent Network Classification,Integrated D
2、ata, Voice and Video Solution,New LAN infrastructure requirements,Intelligent Contact Management,E-Commerce,Unified Messaging,IP Telephony,Voice/Data Collaboration,E-Learning,Benefit,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,Cisco 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 Over 25
3、0,000 VoIP gateway ports already shipped in FY 00 Over 50,000 IP phones shipped in CY 99,Worldwide Application,Cisco IP Telephony,Cisco 7960,Cisco 7960 / Line Module,MCS-7830 / Call Manager,Market Forecast,Source: Frost and Sullivan 1999,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,Cust
4、omer Needs,10/100/1000 at $100 per port,Network design templates with L3 routing in the core and L2 access in the wiring closet,Common IOS management Web-based stack/cluster management,Wire-speed Gigabit and Fast Ethernet switching,Tiered network design High density stackable desktop switches,Classi
5、fication and queuing at the LAN edge Congestion management at the backbone Bandwidth reserv. and traffic shaping at WAN edge,Dual redundant uplinks on desktop switches Redundant backbone design with standby routing,Access Control Lists for WAN and server security,Security,Quality of Service/Voice,Hi
6、gh Availability,Top Performance,Price/Performance,Scalability,Integrated Management,Simplicity,Cisco Catalyst Switch,Catalyst 1900/2820,Catalyst 2900&2950 Series XL,Catalyst 3500 Series XL,Catalyst 4000Series,Catalyst 2948G(-L3),Catalyst 4912,Catalyst 5500,Catalyst 6x00,Catalyst 8500,价格,可扩展性,Functio
7、n,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,Catalyst 4908G-L3,新,新,Catalyst 2980G,Catalyst 3550-12T,Catalyst Switch Position,Layer 2,Voice 语音,Layer 3,企业配线间,Content-Based Switching and Routing 基于内容的交换与路由,中低端市场,骨干,增值业务,Catalyst 2948/3550,Catalyst 4000,Catalyst 5000,Catalyst 6000,Catalyst1900/28202900/2950/3500
8、,Any-to-Any,Catalyst 1900,12 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),Catalyst 1900,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: Catalyst 1912/1924 多种型号,支持100BaseTX
9、/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(spanning tree),Catalyst 2900 XL Features,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
10、最佳的总体网络性能 支持CISCO独有Cluster集群技术, 维护更方便,ISL/802.1Q VLAN 模块,Catalyst 2900 XL Module,ISL/802.1Q VLAN 模块 4-port 10/100 TX 2-port 100BaseFX 4-port 100BaseFX ISL/802.1QGigabit Ethernet 模块 单端口1000BaseX 插槽模块 支持ISL/802.1Q,ATM 模块 单端口 OC-3 ATM 模块,包括:UTP非屏蔽双绞线多模光纤单模光纤 (10 Km)长距离单模光纤(40 Km),17,0543_12F9_c4, 1998,
11、 Cisco Systems, Inc.,Catalyst 2950 Series,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, 802.1Q VLAN Trunking 价格与Catalyst 2900系列相近每端口可达到200Mbps 通过Fast EtherChannel and Gigabit Etherchannel进行带宽聚合,From Catalyst 2900 to Catalyst 2950,Catalyst 2950 Product,Description,Catalyst 2924-XL-EN (WS-C2924-X
12、L-EN),24 10/100 ports + 2 10/100/1000BASE-T ports,Current 2900XL Product,Catalyst 2950T-24 (WS-C2950T-24),24 10/100 ports,Catalyst 2950-24 (WS-C2950-24),Catalyst 2912-XL-EN (WS-C2912-XL-EN),12 10/100 ports,Catalyst 2950-12 (WS-C2950-12),Catalyst 2924C-XL-EN (WS-C2924C-XL-EN),24 10/100 ports + 2 100B
13、ASE-FX ports,Catalyst 2950C-24 (WS-C2950C-24),OR,NEW,Catalyst 2950: 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 Strict Priority Scheduling 确保高优先级流量总是优先服务 Weighted Round Robin Scheduling 确保低优先级队列也可得到安排,INGRESS,Strict Priority,Medium High,Schedu
14、ling,EGRESS,Associate CoS values to each of 4 queues,WRR,Low Medium,Low,In,In,Priority queue is always serviced first,In,Private VLAN Edge,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,1,2,3,4,5,6,7,8,9,10,11,12,PP1,PP2,PP3,PP4,PP5,PP6,PP7,PP8,PP9,PP9,Trunk Port 1,Trunk Port 2,VLAN Trunk,C
15、atalyst 6500 (Routing Function),To Ring,Unknown unicast/multicast and Broadcast frames, and Known Unicast frames re-directed to Layer 3 device via Trunk Port,Catalyst 3500 XL Series,Forty-Eight 10/100 Ports Two GBIC-Based GE Ports Cisco Switch Clustering Stackable, One RU Ideal for High Density Desk
16、top Connections,Catalyst 3548 XL,Twelve 10/100 Ports Two GBIC-Based GE Ports Cisco Switch Clustering Stackable, One RU Ideal for Small Network Aggregation,Catalyst 3512 XL,Medium Port Density,Twenty-Four 10/100 Ports Two GBIC-Based GE Ports Cisco Switch Clustering Stackable, One RU Ideal for Desktop
17、 Connections,Catalyst 3524 XL,Catalyst 3508G XL,Eight GBIC-Based GE Ports Cisco Switch Clustering Stackable, One RU Ideal for Stack Aggregation,Unit Price,Low Port Density,Gigabit Ethernet Aggregation,Medium Port Density,Twenty-Four 10/100 Ports Two GBIC-Based GE Ports Cisco Switch Clustering Stacka
18、ble, One RU In-line Power Ideal for Converged Desktop Connections,Catalyst 3524-PWR XL,High Port Density,Catalyst 3524-PWR Series XL IP Inline Power,UPS,UPS,UPS,UPS,UPS,RPS,UPS,Catalyst 3524-PWR series XL 能够自动发现没有外接电源的IP电话机,并通过标准的5类双绞线为电话机提供直流电源,Performance,独一无二的堆叠能力 - 集群技术 (Clustering) 10-Gbps 交换矩阵
19、,5-Gbps 峰值转发速率 7.44 mpps 转发速率 4-MB 共享内存体系结构 支持Fast EtherChannel 及Gigabit EtherChannel 内置 8-MB DRAM,4-MB Flash,Management,SNMP, Telnet 带内和 CLI-based 带外管理 内置 HTTP server 用于 Web-based 管理 方便安装的自动配置 Cisco Discovery Protocol 可由CiscoWorks 管理 内置 agent(代理) 支持 4 组 RMON 带外探测头的SPAN 口支持9组 RMON 易于观测的 LEDs,Securit
20、y & Redundancy,多种级别的控制台安全性 支持每端口安全设置, 防止非法使用 支持端到端的FEC ,防止链路拥挤 支持 ISL/802.1Q , 满足园区网规模VLAN应用 支持每个VLAN生成树算法(PVST), 提供负载均衡 IEEE 802.1d Spanning Tree 扩展树支持 外部的 RPS 支持,Network Management,内置 HTTP server 支持基于WEB的 Cisco Visual Switch Manager (CVSM 2.0)Cisco交换机可视化管理器 可以通过 CiscoWorks 2000 管理 Cisco IOS 软件提供端到
21、端集成所需的先进功能 - SNMP, Telnet 带内管理, CLI-based 带外管理 - Auto-configuration 实现简易安装 - 内置 agent 支持4组 RMON - SPAN port + external probe外部探测头支持所有9组RMON,Catalyst 3550 Series Intelligent Ethernet Switches,Catalyst 3550-12G,Catalyst 3550-24,Catalyst 3550-48,Unit Price,Medium Port Density,Catalyst 3550-12T,24 10/10
22、0 Ports 2 GBIC portsStackable, 1 RUEnterprise-class intelligent servicesHigh performance IP routingIdeal for desktop connectivityCisco Cluster Management Suite,Gigabit Ethernet Aggregation,NEW,High Port Density,48 10/100 Ports 2 GBIC portsStackable, 1 RUEnterprise-class intelligent servicesHigh perf
23、ormance IP routingIdeal for desktop connectivityCisco Cluster Management Suite,10 10/100/1000 Ports 2 GBIC portsStackable, 1.5 RUEnterprise-class intelligent servicesHigh performance IP routingIdeal for stack aggregation, server aggregation, or in small network backboneCisco Cluster Management Suite
24、,10 GBIC Ports 2 10/100/1000 PortsStackable, 1.5 RUEnterprise-class intelligent servicesHigh performance IP routingIdeal for stack aggregation, server aggregation, or in small network backboneCisco Cluster Management Suite,NEW,Catalyst 3550 Series: Product Overview,Enterprise-class multilayer servic
25、es Layer 2-L4 Security ACLs, DiffServ support, IGMP snooping, Layer 2-L4 rate-limiting High performance GE configurations provide dynamic IP routing at 17 Mpps forwarding rate FE configurations provide wire-speed switching and routing 10.1 Mpps forwarding rate on Catalyst 3550-48 6.6 Mpps forwarding
26、 rate on Catalyst 3550-24 Ease of deployment Boots as a traditional Layer 2 Catalyst switch, configurable for Layer 3 routing and services 1 or 1.5 rack unit (RU) stackable form factor Ease of managementExtends Web-based Cluster Management Suite to Layer 3/4 services Familiar IOS software Software b
27、ased on Native IOS release for the Cat 6x00 Series Supports same port, VLAN and SVI configuration options in CLI Full Cisco GBIC support All existing GBICs (GigaStack GBIC, 1000BaseT, 1000Base-SX, LX, ZX),Catalyst 3550 Software Images,Standard Multilayer Software Image (SMI) Enterprise-class intelli
28、gent services Layer 3 QoS, rate-limiting, multicast management, security ACLs Available on the Catalyst 3550-24 and 3550-48 Enhanced Multilayer Software Image (EMI) SMI feature set plus more functionality including Static Routing Dynamic IP unicast and multicast routing Inter-VLAN routing Routed ACL
29、s HSRP Ordering Information Catalyst 3550-24/48 are orderable with either software image preinstalled Catalyst 3550-24/48 can be upgraded from SMI to EMI Catalyst 3550-12T/12G are only orderable with the EMI image,Catalyst 3550-12T,无需附加硬件即支持高性能IP路由 12 Gbps 的转发速率、支持通过单一IP地址管理的堆叠 24 Gbps 的交换矩阵 三层组播管理功
30、能 IGMP Snooping (硬件实现) PIM (dense, sparse and sparse-dense 方式) 基于802.1p CoS 的DiffServ Cod Point 的增强业务质量 流量管理通过基于源/目的MAC 或IP、协议和应用 (TCP/UDP 端口号) 的速率限制,高性能三层千兆位交换机,NEW,AVVID Feature Support Comparison,Quality of Service,High Availability,Management,Security,Catalyst 3524-PWR XL,Catalyst 2900/3500 XL,C
31、atalyst 1900 EN,Overall,Low High,AVVID Feature Support Comparison,GigaStack GBIC,GigaStack GBIC堆叠专用、价位合理的Gigabit Ethernet 堆叠技术可插入标准的 GBIC 插槽基于铜缆的联线技术,堆叠定义:硬件 配线间中的专用高性能总线互连桌面交换机软件 桌面交换(单IP地址)的单点验证和管理,GigaStack GBIC,GigaStack GBIC支持 Catalyst 2900 XL 千兆以太网模块共享式中继器总线自适应全双工/半双工运作模式电缆长度1米或50厘米,电缆总距离9米可对9
32、个部件进行堆叠仅按一种方向插入,可热插拔,GigaStack GBIC Connections,Catalyst 3524/3512 XL 或 配置千兆模块的Catalyst 2900 XL,GigaStack GBIC,可选的 矩阵交换机,8 Ports,Standard Switched Gig. Port,GigaStack GBIC,Catalyst 3508,菊花链方式 1-Gbps 转发速率,点对点方式 2-Gbps 转发速率,或,单一菊花链堆叠总线,Catalyst 3500 XLs 或 Catalyst 2900 XLs 带 GE Module,GigaStack Applic
33、ation 1: Standalone Stack Bus,多达9台交换机通过GigaStack GBIC 以菊花链方式连接 为整个堆叠提供独立的1-Gbps 堆叠总线 支持冗余回联实现更强的容错性,GigaStack Application 2: Catalyst 3508 XL Star Connection,通过Catalyst 3508G XL 实现高性能矩阵 为整个堆叠提供 5Gbps 转发速率 每条点对点连接拥有2-Gbps 全双工带宽,星形联线矩阵堆叠,Catalyst 3508 Series XL,Catalyst 3524 Series XL,Catalyst 3524 Se
34、ries XL,Catalyst 3524 Series XL,Catalyst 3524 Series XL,Catalyst 3524 Series XL,Catalyst 3500 XL 或 带千兆以太网模块的Catalyst 2900 XL,千兆以太网上联,Catalyst 3508G XL,Stack,端 口 配 置,布 线 室1,192.20.30.40,VLAN,软 件升 级,布 线 室2,192.20.30.41,Benefit & Shortage,低价格高性能 单一IP地址管理 IP地址和端口保留 可扩展,分隔至单一配线间 不支持传统系统 每组堆叠交换机数量有限 堆叠设计缺
35、乏灵活性,Cisco Switch Clustering,硬 件 独立于硬件互连方式的交换机逻辑采集软 件 无物理限制的单点验证和管理,FEC,192.20.30.40,Catalyst 3500 XL,Catalyst 1900,Catalyst 3508G XL,Catalyst 2900 XL,GigaStack,骨 干 网,Catalyst 2900 XL,Cisco Switch Clustering,Cisco Switch Clustering,突破了传统堆叠技术不能超越单一配线间的限制 不再局限于专用的非标准的堆叠硬件及线缆 集群(Cluster) 可通过多种物理介质创建,包括
36、: Ethernet, Fast Ethernet, Cisco GigaStack, Fast EtherChannel, Gigabit EtherChannel 多达 16 台相互连接的, 地理位置分离的交换机可通过单一IP地址管理 (可达 384 ports) 完美兼容: Catalyst 3500 XL, Catalyst 2900 XL, Catalyst 1900 标准版及企业版交换机 基于WEB的Cisco Visual Switch Manager 界面可以配置并管理集群(Cluster) 中的所有交换机,Switch Clustering Component,命令交换机:
37、配置有IP地址的交换机作为网管入口 成员交换机: 无IP地址的交换机,监听并响应命令交换机的查询 命令软件预装于所有 Catalyst 3500 XL交换机 Catalyst 2900 XL 标准版及企业版交换机可通过Command upgrade kit 升级为命令交换机 所有Catalyst 2900 XL, Catalyst 1900 标准版及企业版交换机均支持成员交换机功能 Cisco IOS 版本 11.2(8) SA6,Command Switch Features,发现候选交换机 下达命令, SNMP 和 HTTP 信息流量 处理无IP地址成员交换机的 TFTP 申请 交换机集群
38、创建后,全部管理都是通过命令交换机下达至成员交换机来完成的 命令交换机成为交换机集群的单一管理和验证点 每个集群最多一个或二个命令交换机和15个或14个成员交换机,每个网络可有多个集群,CVSM,Command,Catalyst 3508G XL-EN/A,配线间 C 组合方式,配线间 A Catalyst 1900/2900 XL FEC菊花链,配线间 B Catalyst 3500 XL GigaStack GBICs菊花链,Members,Cisco Switch Clustering Case Study,Catalyst 8500, 6000, 5500 和 4000 系列 企业级交
39、换机,Gigabit Ethernet 或 Gigabit EtherChannel,单 一 IP 地 址 管 理 域,Cisco Stack vs. Switch Clustering,Cisco 交换机集群技术,第一代堆叠技术,物理集成 基于硬件 局限于单一物理位置,物理或逻辑集成 基于软件 (IOS) 摆脱地理位置局限,专用互联技术 唯一堆叠方式,“开放” 互联技术 Fast Ethernet, Fast EtherChannel Gig Ethernet, Gigabit EtherChannel 低成本 GigaStack GBIC,堆叠成员受限 堆叠限制于同一产品系列,广泛的集群成员范围 支持 1900, 2900 XL 及 3500 XL 产品系列,每个集群最多可包扩16个交换机 多种性价比组合,每叠交换机数量较少 单一性价比选择,Where to use,多层建筑地理位置分散的校园网逻辑上形成团结的客户基于每个配线间的传统堆叠,