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思科 CMTS 产品介绍

思科 CMTS 产品介绍. CMTS Business Unit Profile. Cisco’s original entry into Cable in 1998 CMTS remains the foundation of the Cable IP Network CMTS Product Line uBR7225VXR uBR7246VXR uBR 10012 350+ patents in cable technologies

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思科 CMTS 产品介绍

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  1. 思科CMTS产品介绍

  2. CMTS Business Unit Profile • Cisco’s original entry into Cable in 1998 • CMTS remains the foundation of the Cable IP Network • CMTS Product Line • uBR7225VXR • uBR7246VXR • uBR 10012 • 350+patents in cable technologies • Over300R&D Engineers in CMTS BU, over 2,000 R&D Engineers company-wide working on CMTS-related technology • Contributions / Leadershipin IETF, SCTE and CableLabs (DOCSIS, PacketCable, CableHome, etc) • Four CMTS development centersworldwide • San Jose Bangalore Shanghai Boxborough

  3. UBR7225VXR (Pizza Box) Benefits 卖点及优势 Orderable NOW! • 专为中小型有线运营商设计 • 低成本，紧凑型CMTS • 未来可升级至DOCSIS3.0 • 支持多种标准：DOCSIS, Euro-DOCSIS 2.0, J-DOCSIS, PacketCable 1.1以及PCMM • 2RU支持4DS/16US容量; 未来升级支持16DS/16US • 快速部署，低维护成本 • 高成熟性，高可靠性 Pizza Box

  4. UBR7225VXR (Pizza Box) Key Features

  5. UBR 7246VXR • Standards-based for highest interoperability – • DOCSIS 1.0, DOCSIS 1.1 Qualified • PacketCable Qualified • DOCSIS2.0 A-TDMA • 模块化设计 • Only platform w/ widest range* of field-installed capacity upgrades • Highest density per 7’ rack since Nov ’02 • 高成熟度和高可靠性 • Built on industry-proven uBR7246 and c7200VXR • Exceeds PacketCable high availability requirements • Over 250,000 upstream ports deployed worldwide • 可扩展性和高可用度 • All line cards forward-compatible • All modules upgradeable • Most versatile standards support - IETF, ITU, Euro/DOCSIS, PacketCable, MPLS, DPT/RPR • 分布式处理构架 * processors, DOCSIS, WAN cards

  6. 特点及优势

  7. uBR10012 High End Broadband Router • Standards-based for highest interoperability – • DOCSIS 1.0, DOCSIS 1.1 Qualified • PacketCable 1.0 Qualified • DOCSIS2.0 A-TDMA • 全分布式处理结构: No built-in bottlenecks，50G switching Capacity 、6.2M pps • 高性能: ASIC Based MAC/PHY DOCSIS，PXF based IP Feature • 高密度Cable 端口：5x20 per slot、40x160 per Chassis

  8. Forwarding Processor Route Processor Local “switch fabric” uBR10012 - Architecture Stratum 3 Clocks, Synched to Stratum 1 PRE TCC+ System Clocks & Resets Data Plane RF Linecards LAN / WAN Control Plane

  9. Wideband SPA Wideband SPA new SIP Wideband SIP UBR10K DOCSIS3.0解决方案 SA XDQA 24 edgeQAM N x 24 WB downstreams DTI server I-CMTS

  10. CMTS的智能化定位 要求： • IP网的延伸 • 承载IP应用 • 直接面对用户 • 资源相对紧张 • 适应不断变化的需求 • 提高用户体验 • 保护现有投资 建设 智能化特性 IP 速度 IP 优化 运维 可控 DOCSIS

  11. Cisco 头端智能化的特性 优势： • 和IP骨干网融合 • 更有效的利用资源 特性介绍 增强型的CMTS硬件 智能化特性 服务质量保证 网络安全控制 IP 流量控制 智能化特性 N+1和1:1高可靠性冗余 1.1 MAC 管理工具 智能化特性 IOS内核 Networkwide 增强型的IP服务（ISIS、MPLS VPN） 1.1 PHY

  12. HEADEND / CMTS DS/1 . . . . . . . . . . GR-2 FN-1 DS/0 US/1/3 GR-1 US/1/2 US/1/1 US/1/0 FN-2 GR-2 US/0/3 US/0/2 US/0/1 US/0/0 内容感知和流量控制 Key Feature: Load Balancing • BENEFITS • 更合理的利用了网络的资源 • Reduces network congestion • Increases network capacity • Reduces OpEx • Reduces CapEx • Monitors, analyzes and rebalances traffic in real-time based on network conditions • Provides optimal bandwidth for critical services, such as Voice and Video Over IP

  13. ARP Filtering • cable arp filter reply-acceptnumber window-size • cable arp filter request-sendnumber window-size • Router# show cable arp-filter cable 5/1/0 requests-filtered 100 Sid MAC Address IP Address Req-Filtered Rep-Filtered 1 0006.2854.72d7 10.3.81.4 12407 0 81 00C0.c726.6b14 10.3.81.31 743 0

  14. Cable Bundling and DS/US mapping interface bundle 1 ip address 172.16.30.1 255.255.255.0!--- IP address configured. ip helper-address 172.16.135.20!--- IP address of dhcp server. no ip route-cache cef no keepalive cable bundle 1 master!--- Master interface in bundle 1. interface Cable5/0 no ip address load-interval 30 no keepalive cable bundle 1 cable upstream 0 connector 1 cable upstream 1 connector 2

  15. CMTS CMTS CMTS CMTS CM CM CM CM CM CM CM CM HFC HFC HFC HFC CNR 用户数据服务器(LDAP) 运维数据服务器（ORACLE） 运营管理服务器(WEBLOGIC) oss 运维中心 IP城域网 区中心 区中心 CNR CNR

  16. DOCSIS2.0部署 RF频谱管理 分布式CMTS处理构架 中央处理引擎 • IP数据控制和转发 CPU ATDMA高级调制模式 侵入噪声抑制 预均衡模式 跳频 频谱管理 RF板卡处理引擎 BPE • DOCSIS数据控制和转发 CPU

  17. CMTS接入安全控制设计 业务提供服务器 通过DMIC技术防止服务盗用 CMTS 通过STM防止P2P、垃圾邮件泛滥 通过ARP Filtering防止网络扫描 通过NBAR进行深层数据报检索，访特殊病毒 通过IP Source verify 防止DDOS攻击 Cable Modem CPE 通过设置CM（上行）和CMTS （下行）访问控制列表防已知病毒

  18. STB Data Packetcable VoIP Internet 高优先级数据 双向互动业务: 服务质量保证 – DOCSIS 1.1 Video 骨干网 IDC Internet CMTS CMTS • Internet：BE • STB：RTPS • VoIP：DQOS/UGS HFC HFC

  19. 双向互动业务: STM1.1 • BENEFITS • 区分STB流量和PC流量 • 控制PC流量 • 防止用户篡改配置文件 • Monitors, analyzes and controls traffic usage at the subscriber level in real time • Volume-based traffic metering with rate-limiting capability Exceed EvaluateAggregateUsage “PENALITY BOX” MonitorCM Traffic PENALTYDURATION Return to service ROLLING MONITORING WINDOW

  20. Cable VPN 中心节点 OTT VPN VPDN Server MPLS-VPN L2 VPN CPE based MPLS VPN Modem based MPLS VPN

  21. 网络管理层面 • 网络设备管理– Ciscoworks 2000 • 网络故障管理– Cisco Broadband Troubleshooter • 网络服务管理– Cisco Network Register • 用户配置管理 – Cisco Broadband Configurater • 用户认证管理 – CNR LDAP interface

  22. Management ToolsKey Product: Cisco Broadband Troubleshooter (CBT) BENEFITS • Reduce OpEx • Improve network performance • Increase customer satisfaction • Automates the analysis and interpretation of Flap List information • Monitors Cisco uBR CMTS RF information • Spectrum Management interface: • Return Path Trace window • Spectrogram • CNR analysis

  23. CNR CLUSTER TFTP DHCP DNS HTTP Core Services TCP/IP HTTP Server Data Manager Thread Manager Platforms Integrated Databases Solaris Linux Windows CNR Interfaces Web UI: Any Browser CLI: All Platforms GUI: Win32 NOTE: You can communicate with a cluster locally or remotely via HTTP or TCP/IP.

  24. CBC – Sample File and Templates CBC – DOCSIS Configuration Editor: Many Sample types User defined sample files

  25. CLI Cable命令（>400条命令） • 通过show int cable mac-scheduler察看信道占用情况。 • 通过show controller cable察看SNR参数 • 通过Show cable flap-list察看CM健康状况 • 通过show int cable modem x察看cable modem和host情况（pppoe） • show int cable x/y service-flow察看qos情况 • 设置no cable proxy-arp，阻止用户间相互访问。 • 设置Spectrum group作跳频 • 设置cable modem ACL和CMTS ACL防病毒 • 设置Virtual interface作IP配置Bundle • 设置Virtual bundle作1：2、1：6组合 • AAA

  26. 成功案例 • 上海有线uBR10012 * 36 uBR7246 * 45 uBR7114 * 30 • 宁波广电 uBR7114 * 13 • 北京歌华　　uBR7246 * 6 uBR7114 * 20 • 深圳广电　　uBR7246 *10 Ubr10012 * 5 • 广东省广电　uBR7246 * 30 • 郑州广电　　uBR7246 * 5 uBR7114 * 30 • 新乡广电　　uBR7114 * 20 • 保定广电　　uBR7246 * 3 uBR7114 * 10 • 昆明广电　　uBR7246 * 2 • 鞍山广电　　uBR7246 * 15 • 大庆广电　　uBR7246 * 5 • 无锡广电　　uBR7114 * 10 • 南通广电　　uBR7114 * 24 • 珠海广电　　uBR7246 * 8 uBR7114 * 4 • 中山广电　　uBR7246 * 15 • 佛山广电　　uBR7114 * 4 • 惠州广电　　uBR7114 * 4 • 西宁广电 uBR7114 * 4 • 苏州广电 uBR7246 * 6 • 山西电信 uBR10012 * 1

  27. 谢谢

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