Cisco城域接入网络解决方案Ethernet.ppt
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1、 Cisco Cisco Cisco Cisco城域接入网络解决方案城域接入网络解决方案城域接入网络解决方案城域接入网络解决方案-EthernetEthernetEthernetEthernet2Li Jian Hua 2001内容提要内容提要CiscoCisco技术解决方案技术解决方案CiscoCisco接入产品接入产品3Li Jian Hua 2001Cisco Cisco 技术解决方案技术解决方案商用大楼设计商用大楼设计个人小区接入设计个人小区接入设计机场酒店接入设计机场酒店接入设计4Li Jian Hua 2001IP+OpticalCOCOCOCOPOPPOPPOPPOPPOPPOP
2、商业大楼典型设计及技术商业大楼典型设计及技术ZANZANRegionalRegionalCoreCoreBANBANCommercialCommercialBuildingBuildingResidentialResidentialBuildingBuildingCommercialCommercialBuildingBuildingDATA PathDATA PathDATA PathDATA PathDATA Path&DATA Path&TDM pathTDM path5Li Jian Hua 2001商住大厦接入设计商住大厦接入设计-综合接入综合接入BasementFloor 1Flo
3、or 2Floor n MUX+数据交换+光耦合IP+Optical接入环IP汇接TDM汇接光耦合实现宽带数据,实现宽带数据,TDMTDM一线通一线通节省线路投资,充分利用光纤带宽节省线路投资,充分利用光纤带宽充分发挥充分发挥IP VPNIP VPN的灵活性及的灵活性及TDMTDM 透传特性透传特性6Li Jian Hua 2001Dimensions:17.25”Wx18.25”Dx3.5”H(2U)RackMountingOptions:19”EIA,23”EIA,ETSI,NEBSInputPower:Option1:115/230VAC,50/60Hz,300Watts(Dual)Op
4、tion2:48VDC,300Watts(Dual)UplinkInterface:2Ports,OC-48DPT,DuplexLCFiber(Longreach40/80kmPostFCS)Option1:Shortreach(2km)Option2:Intermediatereach(15km)AccessInterface:Option1:24Ports,10/100MbpsEthernet,RJ-45Copper(100m)Option2:24Ports,100MbpsEthernet,MT-RJFiber(1000m)新一代高速新一代高速 IPIP接入设备接入设备Cisco 1072
5、0Cisco 10720 7Li Jian Hua 2001VoIPVoIP1072010720VoIPVoIPVoIPVoIPOC48 DPTOC48 DPTVoIPVoIP1072010720VoIPVoIPVoIPVoIP高密度商业大楼高密度商业大楼#1#1PoPPoPCat 5 orCat 5 orFiberFiberFiberFiberHub,Router or SwitchHub,Router or SwitchFloors 25-28Floors 25-28Floors 1-24Floors 1-24商业楼高速商业楼高速网络应用网络应用高密度商业大楼高密度商业大楼#2#21072
6、0107208Li Jian Hua 2001商用大楼业务开展商用大楼业务开展TDM/Voice TDM/Voice MPLS VPNMPLS VPNIP VPN/IP VPN/Ethernet over MPLS/UTIEthernet over MPLS/UTIIP Sec IP Sec QoSQoSCDNCDN9Li Jian Hua 2001Intranet/Extranet VPNIntranet/Extranet VPN MPLS MPLS 服务体系结构服务体系结构Routed IP CoreRouted IP CoreCorporate LANCorporate LANBranc
7、h OfficeBranch OfficeLocalLocalAccessAccessLease Line/Lease Line/Frame Relay/ATM/Frame Relay/ATM/DSL accessDSL accessPOPPOP基于纯基于纯IPIP核心的核心的MPLS Intranets/Extranets MPLS Intranets/Extranets MPLS Label Switch PathsMPLS Label Switch PathsCE-PE PeeringCE-PE PeeringPE-CE PeeringPE-CE PeeringEdge Label Sw
8、itch Router Edge Label Switch Router(ELSR)(ELSR)Label Switch Router Label Switch Router(LSR)(LSR)Must have“Provider Edge”Functionality:Must have“Provider Edge”Functionality:BGP v4 w/BGP v4 w/MultiprotocolMultiprotocol Ext.Ext.MPLS Edge LSRMPLS Edge LSRLSP Identification via LDPLSP Identification via
9、 LDPInitial labeling(2x labels)Initial labeling(2x labels)Core LSR functionality:Core LSR functionality:LDPLDPLabel switching along LSPLabel switching along LSPMPLS-aware networkMPLS-aware network10Li Jian Hua 2001Ethernet over MPLSEthernet over MPLSGSRGSRGSRGSRGSRGSREthernetEthernet VLAN A VLAN AEt
10、hernetEthernet VLAN A VLAN ARRR TunnelRRR TunnelLabel 1Label 1Label 2Label 2Original Ethernet FrameOriginal Ethernet FrameL2 HeaderL2 Header7600 OSR7600 OSR7600 OSR7600 OSRTunnel LabelVLAN Label11Li Jian Hua 2001Ethernet over MPLSEthernet over MPLS可以做到任何流量传输在可以做到任何流量传输在 MPLSMPLS之上之上draft-martini-l2c
11、ircuit-trans-draft-martini-l2circuit-trans-mplsmpls-05.txt-05.txt该功能目前只在该功能目前只在 GE OSM GE OSM 用作上行时支持用作上行时支持Currently beta,target Q3CY01Currently beta,target Q3CY01对于那些不愿意由对于那些不愿意由 SP SP提供路由功能的大企业非常有用提供路由功能的大企业非常有用12Li Jian Hua 2001UTI L2-L2 NetworkUTI L2-L2 NetworkThe Cisco 10720 Internet router wi
12、ll initially provide ISO Layer 2(Datalink)to Layer 2 connectivity across a Layer 3 network.Future developments will provide for L2-L3 interworking and L3-L3 transport.IP NetworkIP NetworkUTI tunnelled LANUTI tunnelled LANUTI L2 tunnelUTI L2 tunnelR1R2LAN1LAN2tu1tu2e1e213Li Jian Hua 2001UTI L2-L2 Net
13、workUTI L2-L2 Networkinterface Loopback0 ip address 88.88.88.88 255.255.255.255 no ip directed-broadcast!interface Tunnel1no ip addressno ip directed-broadcastload-interval 30tunnel source Loopback0tunnel destination 6.6.6.6-must be reachable via IP routingtunnel mode uti raw tunnel key 4294-must ma
14、tch key on tunnel 1 for Cisco10720#2 tunnel uti high-key 42949-must match high-key on tunnel 1 for Cisco10720#2 tunnel uti local-session 1-must be unique on the local router tunnel uti remote-session 3-must match local session on tunnel 1 for Cisco10720#2!interface FastEthernet2/1no ip addressno ip
15、directed-broadcastload-interval 30no keepaliveduplex autospeed automedia-type auto!interface FastEthernet2/1.1 encapsulation dot1Q 2 no ip directed-broadcast uti-tunnel Tunnel1-binding the sub-interface to tunnel 1!interface Loopback0 ip address 6.6.6.6 255.255.255.255 no ip directed-broadcast!inter
16、face Tunnel1no ip address no ip directed-broadcast load-interval 30 tunnel source Loopback0 tunnel destination 88.88.88.88 tunnel mode uti raw tunnel key 4294 tunnel uti high-key 42949 tunnel uti local-session 3 tunnel uti remote-session 1-must match local session on tunnel 1 for Cisco10720#1!interf
17、ace FastEthernet2/1 no ip address no ip directed-broadcast load-interval 30 no keepalive duplex auto speed auto media-type auto!interface FastEthernet2/1.1encapsulation dot1Q 2no ip directed-broadcastuti-tunnel Tunnel1-binding the sub-interface to tunnel 114Li Jian Hua 2001MobileMobileWorkersWorkers
18、SP Shared MPLS SP Shared MPLS VPN NetworkVPN NetworkBranchBranchOfficeOfficeIPsecIPsec Tunnel TunnelIPsecIPsec Tunnel TunnelPE PE Cisco Cisco VPNVPN50005000映射映射 IPsecIPsec 到到 MPLS VPNMPLS VPN802.1Q 802.1Q VLANsVLANsPE PE PE PE 通过多自制域通过多自制域 MPLS VPNMPLS VPN技术技术 和将和将 IPSecIPSec 映射到映射到 MPLS VPN,MPLS VP
19、N,VPN VPN 的覆盖面将会跨越世界范围的覆盖面将会跨越世界范围!15Li Jian Hua 2001InternetVPNPOPDSLCableCentralSiteRemoteAccessClientCiscoVPNClientsMicrosoftWin2000(IPSec)MicrosoftWin9x/NT(PPTP)Enterprise-CentralSiteCiscoVPNConcentratorMobilePOPExtranetConsumer-to-BusinessTelecommuterRemote Access VPN Remote Access VPN Solution
20、sSolutions High performance High performance Scalable and Scalable and managablemanagableStandards-based interoperabilityStandards-based interoperability服务质量保证纵览服务质量保证纵览基于带宽管理的控制机制基于带宽管理的控制机制IP IP 等级来划分服务等级的优先级等级来划分服务等级的优先级CARCAR区分区分 packets,packets,设优先级设优先级,管理带宽管理带宽WRED WRED 避免拥塞和实施服务等级避免拥塞和实施服务等级1
21、61323_06F8_c11998,CiscoSystems,Inc.17Li Jian Hua 2001IP IP 网络平台的网络平台的QoSQoS技术技术 保证传输服务保证传输服务不同业务或不同用户的数据的分类不同业务或不同用户的数据的分类(CoSCoS/ToSToS)接入带宽的控制和管理接入带宽的控制和管理(CAR)CAR)拥塞控制拥塞控制(WRED)WRED)队列和带宽管理队列和带宽管理(WFQ)WFQ)资源预留资源预留(RSVP)RSVP)流量分析和规划流量分析和规划(NetFlowNetFlow)流量工程技术流量工程技术(MPLS TE)MPLS TE)18Li Jian Hua
22、2001数据内容数据内容Content EngineContent EngineManagementConsoleCorporate Corporate Corporate Corporate WAN WAN WAN WAN or Internetor Internetor Internetor InternetATM/FRorDSLBackboneISP服务提供商服务提供商T1CorporateBranch#2远程办公远程办公室室CDMCDM服务提供商数据中心服务提供商数据中心内容传输应用模式内容传输应用模式19Li Jian Hua 2001网络管理网络管理VPNSCPolicy Mana
23、gerCisco works 2000CICACS20Li Jian Hua 2001小区接入解决方案小区接入解决方案典型小区网络设计业务描述用户管理及控制21Li Jian Hua 2001小区接入示意图方案小区接入示意图方案IP 汇接层汇接层VOD ServerAAA Server Catalyst switchInternet B1用户接入层小区网络核心层汇接层汇接层 B2 Bn22Li Jian Hua 2001以太网接入模式以太网接入模式大型小区大型小区Catalyst 6500/4000Catalyst 6500/4000Gigabit 光纤3500堆叠3500堆叠3500堆叠35
24、00堆叠中心路由器中心路由器74007400-提供PPPoE/SSG认证、计费 -提供URT认证、计费-设置静态ARP防止IP地址盗用中心交换机中心交换机Catalyst 6500/4000Catalyst 6500/4000-千兆以太网下连区域中心3500区域中心区域中心Catalyst3548/2950Catalyst3548/2950-3500/2950堆叠提供10/100M端口-五类线到用户Cisco 7400Cisco 7400认证计费中心认证计费中心内容服务器内容服务器楼群1楼群2楼群3楼群n大区中心23Li Jian Hua 2001以太网接入模式以太网接入模式小型小区小型小区-
25、集成模式集成模式Catalyst 2900100M光纤 Catalyst 6500/4000Cisco 7400Catalyst 2900Catalyst 2900认证计费中心/内容服务器B1B2Bn大区中心24Li Jian Hua 2001用户认证机制用户认证机制 PPPoE PPPoE(以太网上的以太网上的PPPPPP拨号拨号)SSG SSG(服务选择网关)服务选择网关)URTURT(用户注册工具)用户注册工具)BBSBBSMM(宽带社区业务管理器)宽带社区业务管理器)用户管理及控制用户管理及控制25Li Jian Hua 2001PPPoEPPPoEPPPoEL2L3MANPPPoEA
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