【文章內(nèi)容簡(jiǎn)介】 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 ? 二層端口之間沒有單播、組播或廣播流量轉(zhuǎn)發(fā) ? 所有保護(hù)端口的用戶流量必須經(jīng)過三層設(shè)備 ?確保鄰居之間不能看到對(duì)方的流量 1 2 3 4 5 6 7 8 9 10 11 12 SiPP1 PP2 PP3 PP4 PP5 PP6 PP7 PP8 PP9 PP9 Trunk Port 1 Trunk Port 2 VLAN Trunk Catalyst 6500 (Routing Function) To Ring Unknown unicast/multicast and Broadcast frames, and Known Unicast frames redirected to Layer 3 device via Trunk Port Catalyst 3500 XL Series FortyEight 10/100 Ports Two GBICBased GE Ports Cisco Switch Clustering Stackable, One RU Ideal for High Density Desktop Connections Catalyst 3548 XL Twelve 10/100 Ports Two GBICBased GE Ports Cisco Switch Clustering Stackable, One RU Ideal for Small Network Aggregation Catalyst 3512 XL Medium Port Density \ TwentyFour 10/100 Ports Two GBICBased GE Ports Cisco Switch Clustering Stackable, One RU Ideal for Desktop Connections Catalyst 3524 XL Catalyst 3508G XL Eight GBICBased GE Ports Cisco Switch Clustering Stackable, One RU Ideal for Stack Aggregation Unit Price Low Port Density Gigabit Ether Aggregation Medium Port Density \ TwentyFour 10/100 Ports Two GBICBased GE Ports Cisco Switch Clustering Stackable, One RU Inline Power Ideal for Converged Desktop Connections Catalyst 3524PWR XL High Port Density Catalyst 3524PWR Series XL IP Inline Power Catalyst 3524PWR Series XL UPS UPS UPS UPS UPS RPS UPS Catalyst 3524PWR series XL 能夠自動(dòng)發(fā)現(xiàn)沒有外接電源的IP電話機(jī)，并通過標(biāo)準(zhǔn)的 5類雙絞線為電話機(jī)提供直流電源 Performance ? 獨(dú)一無二的堆疊能力 集群技術(shù) (Clustering) ? 10Gbps 交換矩陣， 5Gbps 峰值轉(zhuǎn)發(fā)速率 ? mpps 轉(zhuǎn)發(fā)速率 ? 4MB 共享內(nèi)存體系結(jié)構(gòu) ? 支持 Fast EtherChannel174。 及 Gigabit EtherChannel174。 ? 內(nèi)置 8MB DRAM， 4MB Flash Management ? SNMP, Tel 帶內(nèi)和 CLIbased 帶外管理 ? 內(nèi)置 HTTP server 用于 Webbased 管理 ? 方便安裝的自動(dòng)配置 ? Cisco Discovery Protocol ? 可由 CiscoWorks 管理 ? 內(nèi)置 agent(代理 ) 支持 4 組 RMON ? 帶外探測(cè)頭的 SPAN 口支持 9組 RMON ? 易于觀測(cè)的 LEDs Security amp。 Redundancy ? 多種級(jí)別的控制臺(tái)安全性 ? 支持每端口安全設(shè)置 , 防止非法使用 ? 支持端到端的 FEC ,防止鏈路擁擠 ? 支持 ISL/ , 滿足園區(qū)網(wǎng)規(guī)模 VLAN應(yīng)用 ? 支持每個(gè) VLAN生成樹算法 (PVST), 提供負(fù)載均衡 ? IEEE Spanning Tree 擴(kuò)展樹支持 ? 外部的 RPS 支持 Network Management ? 內(nèi)置 HTTP server 支持基于 WEB的 Cisco Visual Switch Manager (CVSM )Cisco交換機(jī)可視化管理器 ? 可以通過 CiscoWorks 2022 管理 ? Cisco IOS 軟件提供端到端集成所需的先進(jìn)功能 – SNMP, Tel 帶內(nèi)管理 , CLIbased 帶外管理 – Autoconfiguration 實(shí)現(xiàn)簡(jiǎn)易安裝 – 內(nèi)置 agent 支持 4組 RMON – SPAN port + external probe外部探測(cè)頭支持所有 9組RMON Catalyst 3550 Series Intelligent Ether Switches Catalyst 355012G Catalyst 355024 Catalyst 355048 Unit Price Medium Port Density Catalyst 355012T 24 10/100 Ports 2 GBIC ports Stackable, 1 RU Enterpriseclass intelligent services High performance IP routing Ideal for desktop connectivity Cisco Cluster Management Suite Gigabit Ether Aggregation NEW High Port Density 48 10/100 Ports 2 GBIC ports Stackable, 1 RU Enterpriseclass intelligent services High performance IP routing Ideal for desktop connectivity Cisco Cluster Management Suite 10 10/100/1000 Ports 2 GBIC ports Stackable, RU Enterpriseclass intelligent services High performance IP routing Ideal for stack aggregation, server aggregation, or in small work backbone Cisco Cluster Management Suite 10 GBIC Ports 2 10/100/1000 Ports Stackable, RU Enterpriseclass intelligent services High performance IP routing Ideal for stack aggregation, server aggregation, or in small work backbone Cisco Cluster Management Suite NEW Catalyst 3550 Series: Product Overview ? Enterpriseclass multilayer services – Layer 2L4 Security ACLs, DiffServ support, IGMP snooping, Layer 2L4 ratelimiting ? High performance – GE configurations provide dynamic IP routing at 17 Mpps forwarding rate – FE configurations provide wirespeed switching and routing ? Mpps forwarding rate on Catalyst 355048 ? Mpps forwarding rate on Catalyst 355024 ? Ease of deployment – Boots as a traditional Layer 2 Catalyst switch, configurable for Layer 3 routing and services – 1 or rack unit (RU) stackable form factor ? Ease of management – Extends Webbased Cluster Management Suite to Layer 3/4 services ? Familiar IOS software – Software based 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) ? Enterpriseclass intelligent services – Layer 3 QoS, ratelimiting, multicast management, security ACLs ? Available on the Catalyst 355024 and 355048 ? Enhanced Multilayer Software Image (EMI) ? SMI feature set plus more functionality including – Static Routing – Dynamic IP unicast and multicast routing – InterVLAN routing – Routed ACLs – HSRP ? Ordering Information ? Catalyst 355024/48 are orderable with either software image preinstalled ? Catalyst 355024/48 can be upgraded from SMI to EMI ? Catalyst 355012T/12G are only orderable with the EMI image Catalyst 355012T ? 無需附加硬件即支持高性能 IP路由 ? 12 Gbps 的轉(zhuǎn)發(fā)速率、支持通過單一 IP地址管理的堆疊 ? 24 Gbps 的交換矩陣 ? 三層組播管理功能 ? IGMP Snooping (硬件實(shí)現(xiàn) ) PIM (dense, sparse and sparsedense 方式 ) ? 基于 CoS 的 DiffServ Cod Point 的增強(qiáng)業(yè)務(wù)質(zhì)量 ? 流量管理通過基于源 /目的 MAC 或 IP、 協(xié)議和應(yīng)用 (TCP/UDP 端口號(hào) ) 的速率限制 高性能三層千兆位交換機(jī) NEW GigaStack GBIC ? GigaStack GBIC ? 堆疊專用、價(jià)位合理的 Gigabit Ether 堆疊技術(shù) ? 可插入標(biāo)準(zhǔn)的 GBIC 插槽 ? 基于銅纜的聯(lián)線技術(shù) ?堆疊定義： ? 硬件 — 配線間