c系列產(chǎn)品整體介紹

No.1Layer-3MarketShareTotalportsshipped,modular(32%)Totalportsshipped,

overall(22.9%)TotalWANLayer-3ports

shipped(92%)中興ZXR10-C系列產(chǎn)品產(chǎn)品線

光纖城域網(wǎng)骨干路由器:ZXR-T160/T64C/T32C

光纖城域網(wǎng)接入路由器:ZXR-T16C容量8Gbpsupto170Gbpsswitchingcapacity480FastEthernet,120GbE,410GbE,4OC-192c,60OC-12c,15OC-48c特點

Layer2/3/4-7switchingandrouting InternetcertifiedOSPF,BGP4,ISIS,PIM Loadbalancing Trafficpolicing,grooming,filtering TrafficEngineering:MPLS,PolicyRouting Versatilemediainterfaces(T1,T3,OC3,OC12,OC48,ATM,SONET/SDH,WDM)寬帶最后一公里

—為數(shù)據(jù)業(yè)務(wù)優(yōu)化的核心光網(wǎng)中興提供完整的寬帶IP網(wǎng)解決方案POP內(nèi)容主機托管中心InternetWDM&PONGbE,DSL,CableFixedWireless帶寬可按需擴展-分層結(jié)構(gòu)用戶設(shè)備IP服務(wù)體系匯聚層光骨干網(wǎng)核心層最后一公里Internet接入層ZXR-10C系列產(chǎn)品主要技術(shù)優(yōu)勢Highest10/100port-per-rack-inchHighestVLANsupport,LargeLookupTablesUpto170Gbps,90Mpps16,000,000Flows20,000AccessControlLists250,000routes唯一一個擁有全系列接口的第四層交換機

POS,ATM,WAN,CMTS,WDM,CWDM完美的功能實現(xiàn)

速率限制，策略路由，安全，Tos重寫，防火墻負載均衡，MPLS支持全功能的線速路由能力當(dāng)其用各種高級特性時，不影響性能

(速率限制，NAT，負載均衡，PBP，MPLS）基于硬件的路由表查找能力最可靠的IP記賬數(shù)據(jù)收集協(xié)議全線速RMON/RMON2數(shù)據(jù)收集利用OpenAPI及CiscoCLI實現(xiàn)最可靠的服務(wù)供應(yīng)能力容量功能性能管理骨干交換路由設(shè)備設(shè)計要點選擇3/4層交換設(shè)備構(gòu)造網(wǎng)絡(luò)主干時，兩個重要的技術(shù)因素首先值得關(guān)注：1、設(shè)備的系統(tǒng)架構(gòu)2、設(shè)備的功能設(shè)備的系統(tǒng)架構(gòu)采用何種方式實現(xiàn)3/4層處理背板技術(shù)阻塞與非阻塞配置系統(tǒng)容量關(guān)鍵部件冗余緩存技術(shù)系統(tǒng)架構(gòu)的技術(shù)壽命骨干交換路由設(shè)備設(shè)計要點ZXR-10體系—交換結(jié)構(gòu)線速的L2/L3/L4轉(zhuǎn)發(fā)速率效率最高的交換結(jié)構(gòu)全冗余

切換時無任何數(shù)據(jù)丟失動態(tài)調(diào)度算法避免頭端阻塞提供基于硬件的組播復(fù)制機制強大的伸縮能力??????LineCardLineCardLineCardRouteProcessorLineCardLineCardLineCardRouteProcessorCrossbarFabricCrossbarInterfaceandArbitrationRouteProcessorT16CSystemProcessorEEPROM,FlashL2ASICPacketBufferL3ASICCrossbarInterfaceandArbitrationL2ASICPacketBufferL3ASICCrossbarInterfaceandArbitrationControlModuleZXR-10C的系統(tǒng)架構(gòu)CrossbarFabricCrossbarInterfaceandArbitrationRouteProcessorT16CSystemProcessorEEPROM,FlashL2ASICPacketBufferL3ASICCrossbarInterfaceandArbitrationL2ASICPacketBufferL3ASICCrossbarInterfaceandArbitrationControlModuleZXR-10C的系統(tǒng)架構(gòu)Module1Module2Module3Module4Module5Module6Module7CPUModule7Module6Module5Module4Module3Module2Module1CPU2GbpsconnectionunidirectionallyNotetheR10Cprovides2GbpsintofabricZXR-10C

交換結(jié)構(gòu)16Gbps(RS-8000)or32Gbps(RS-8600)CrossbarFabricL2ASICPacketBufferL3ASICCrossbarInterfaceandArbitrationCrossbarInterfaceandArbitrationL3ASICPacketBufferL2ASICCrossbarInterfaceandArbitrationL3ASICPacketBufferL2ASICCrossbarInterfaceandArbitrationL3ASICPacketBufferL2ASICCrossbarInterfaceandArbitrationRouteProcessorT16CSystemProcessorEEPROM,FlashL2ASICPacketBufferL3ASICCrossbarInterfaceandArbitrationL2ASICPacketBufferL3ASICCrossbarInterfaceandArbitrationL2ASICPacketBufferL3ASICCrossbarInterfaceandArbitrationControlModuleZXR-10C的體系結(jié)構(gòu)分布式路由結(jié)構(gòu)L2PHYL3L2PHYL3L2PHYL3L2PHYL3L2PHYL3L2PHYL3L2PHYL3SwitchingFabricT16CFlashCard10BseTDUARTMainMemoryEEPromSlot1Slot2Slot3Slot4Slot5Slot6Slot7Slot8ControlModuleLineCardLineCardLineCardLineCardLineCardLineCardLineCard數(shù)據(jù)流和表的管理BridgeorRouteL2DatabaseArbiterPriorityAccountingFiltersEncaps&QueuingDemuxEncapsQoSCrossbarL3/L4DatabasePriorityAccountingFiltersInputProcessingOutputProcessingBridgingVLANsRoutingAccessControlQoSPolicyRMON/RMON2CPU

ModuleFirstPacketSubsequentPackets每秒處理2.5萬個數(shù)據(jù)流ZXR10-C全功能的IP、IPX交換和路由IPMulticastPort/ProtocolVLANsIPUnicastRIPOSPFBGP-4RIPSAPDVMRPPIM-DMPIM-SMIPXUnicast802.1pQoS802.1QTrunkingIGMPPruning802.1dSTPServer

LoadBalanceDHCPRSVPRSQoS

控制規(guī)則每個輸入或輸出接口支持QoS規(guī)則依據(jù)以下任意組合...網(wǎng)絡(luò)地址IP協(xié)議TOS應(yīng)用端口號(applicationportnumbers)分為以下級別控制-用于網(wǎng)絡(luò)控制流量高級別-關(guān)鍵流量中等-正常流量低優(yōu)先級-盡量傳送流量IP包目標(biāo)地址

源

長度 DSAPSSAPCTL OUI

Etype

VerLen服務(wù)類型總長度Id 標(biāo)志段補償

TTL協(xié)議包頭校驗

源IP地址 目標(biāo)IP地址

IP選項填充位

UDP/TCP源端口UDP/TCP目標(biāo)端口UDP/TCP信息長度UDP/TCP校驗數(shù)據(jù)

訪問控制列表(AccessControlLists)每個輸入或輸出接口支持訪問控制列表(ACL)允許或不允許依據(jù)以下條件組合:網(wǎng)絡(luò)地址IP協(xié)議TOS應(yīng)用端口號(ApplicationPortNumbers)IPPacket

DestinationAddress

Source

Length DSAPSSAPCTL OUI

Etype

VerLenTypeofServiceTotalLengthId Flags FragmentOffset

TTLProtocolHeaderChecksum

SourceIPAddress DestinationIPAddress

IPOptionPadding

UDP/TCPSourcePortUDP/TCPDestinationPortUDP/TCPMessageLengthUDP/TCPChecksumData

RapidFireASICs硬件路由表Upto200,000routesTightlycoupledwithLayer-4SupportMulti-path,EqualCostroutingMPLS標(biāo)簽支持4096個VLAN支持第2/3/4層QoS&ACLsVLAN支持BasicNAT(IP,Socketre-write(PAT))防止拒絕服務(wù)攻擊Diff-servSupportincludingrewritesWeightedFairQueuingWeightedRandomEarlyDetectionMulti-leveltokenbucketratelimitingMulti-linkPPP,CiscoHDLCJumboFrameSupportUpto64kframesizesHardwaresupportoffragmentation32M-128Mbyteinputandoutputbuffering第四代ASICs基于硬件的線速路由和交換基于硬件的第2/3/4層安全過濾(ACLs)和LS/NAT基于硬件的MPLS基于硬件的負載平衡Hardwarebasedratelimitingcontrolupto2,048individualratelimitedcustomersperlinecard基于硬件的記帳數(shù)據(jù)采集0.25micronMassiveincreaseinavailablerealestateUltralowpowerconsumption

ZTECorporation網(wǎng)絡(luò)設(shè)備選型核心層最高的L2/3/4交換性能，特別是L3路由性能全面、標(biāo)準(zhǔn)的路由協(xié)議，豐富的接口類型高可靠性和成熟的系統(tǒng)軟件硬件接口密度和路由容量的可擴展性豐富的應(yīng)用功能，如NAT、Webcacheredirect、Policybaserouting等設(shè)備選擇：ZXR-T160匯聚層全面的策略處理功能（ACL、QOS、Trafficshaping、Policybaserouting等）基于L3/4全功能下的線速交換性能L2/3/4全面、標(biāo)準(zhǔn)的路由協(xié)議，豐富的接口類型可靠性和成熟的系統(tǒng)軟件硬件接口密度和路由容量滿足所匯聚區(qū)域規(guī)模及擴展需要設(shè)備選擇：ZXR10-T64C/T32C網(wǎng)絡(luò)設(shè)備選型城域網(wǎng)主干交換式路由器16

槽（15I/O槽）64G背板帶寬34Millionpps(L2/3/4，全功能)全面的標(biāo)準(zhǔn)協(xié)議和策略處理功能L2----802.1d,802.1Q,802.1p,IGMP,Smarttrunk,SPFL3----RIP1/2,OSPF,BGP4,IS-IS,DVMRP,PIMWAN----PPP,FrameRelay,HDLC,MLPPP策略應(yīng)用（L4）-----ACL,QOS,Trafficshaping,Policybaserouting,NAT,LSNAT,Webcacheredirect,Tosrewrite,WRED網(wǎng)管-----RMON/RMON2（全組）流量統(tǒng)計-----LFAPMPLS網(wǎng)絡(luò)設(shè)備選型ZXR10-T64C城域網(wǎng)主干交換式路由器250,000L3routes800,000L2MACs4,000,000L3/4Flows4,096Vlan冗余設(shè)計電源、控制模塊（CPU）、交換結(jié)構(gòu)接口類型豐富

網(wǎng)絡(luò)設(shè)備選型ZXR10-T64C城域網(wǎng)主干交換式路由器2口千兆以太網(wǎng)模塊Upto30Gigabitport----SX/LX/LH(70km)16口快速以太網(wǎng)模塊/8口快速以太網(wǎng)模塊Upto240FastEthernetport----UTP網(wǎng)絡(luò)設(shè)備選型ZXR10-T64C8port10/100UTP16port10/100UTP8port100BaseFX(MMF/SMF)2port1000BaseSX(MMF)2port1000BaseLX(MMF/SMF)70Km1000BaseLXZXR-10T64C/32C以太網(wǎng)系列接口卡4portserial(T1/E1)2portHSSI(T3/E3)2portE1(G703)2portATM(PHY)DS1DS3OC-3cMMFOC-3cSMF-IR

4portPOS(MT-RJ)

支持APS功能!1+1ATMOC-12c

支持APS功能!ZXR-10T64C/32C其他系列接口接入層第三層交換設(shè)備，滿足線速L2/L3主干上連與主干相適應(yīng)的標(biāo)準(zhǔn)路由協(xié)議如采用路由方式上連，支持一定的策略處理支持較豐富的接口類型硬件接口密度和路由容量滿足小區(qū)用戶規(guī)模及擴展需要設(shè)備選擇：ZXR-T16C網(wǎng)絡(luò)設(shè)備選型城域網(wǎng)訪問交換式路由器2槽+32固定快速以太網(wǎng)口（UTP）16G背板帶寬9.5Millionpps(L2/3/4，全功能)全面的標(biāo)準(zhǔn)協(xié)議和策略處理功能L2----802.1d,802.1Q,802.1p,IGMP,Smarttrunk,SPFL3----RIP1/2,OSPF,BGP4,IS-IS,DVMRP,PIMWAN----PPP,FrameRelay,HDLC,MLPPP策略應(yīng)用（L4）-----ACL,QOS,Trafficshaping,Policybaserouting,NAT,LSNAT,Webcacheredirect,Tosrewrite,WRED網(wǎng)管-----RMON/RMON2（全組）流量統(tǒng)計-----LFAPMPLS網(wǎng)絡(luò)設(shè)備選型ZXR10-T16C城域網(wǎng)訪問交換式路由器250,000L3routes256,000L2MACs512,000L3/4Flows4,096Vlan冗余設(shè)計電源（內(nèi)置控制模塊（CPU）、交換結(jié)構(gòu)）接口類型豐富

網(wǎng)絡(luò)設(shè)備選型ZXR10-T16C城域網(wǎng)訪問交換式路由器2口千兆以太網(wǎng)模塊Upto4Gigabitport----SX/LX/LH(70km)16口快速以太網(wǎng)模塊（UTP）/8口快速以太網(wǎng)模塊（FX）Upto64FastEthernetport----UTP網(wǎng)絡(luò)設(shè)備選型ZXR10-T16CZXR-10C系列產(chǎn)品演進19981999200120002002101001000GbpsZXR-10T32CNextGenAggregationCW1100CW1200ZXR-10T16CAccessZXR-10C18000ZXR-10T160ZXR-10T64C軟件控制平臺Routing&VLANsTraffic

EngineeringProvisioning&AccountingQualityofServiceSecurity第二層IEEE適應(yīng)802.1D802.1Q802.1p802.1u802.1QMaintenance802.1vVLANClassificationbyPort&Protocol802.1wRapidReconfiguration

快速生成樹802.1sMultipleSpanningTree

每VLAN生成樹802.3adLinkAggregationRouting&VLANs第三層RFC適應(yīng)RFC1058RIPv1RFC1723RIPv2RFC1583OSPFv2RFC1587OSFPNSSARFC1195IS-ISforIPRFC1771BGP-4RFC1965BGPConfederationsRFC1966BGPRouteReflectionRFC1997BGPCommunitiesAttributeRFC2439RouteFlapDampeningRFC1812RouterRequirementsRFC1519CIDRRFC1256ICMPRouterDiscoverMessageRFC2338VRRPRFC1631IPNATRFC2391LSNATRFC2131DHCPRFC2236IGMP-2RFC1075DVMRPRFC2362PIM-SMRouting&VLANs服務(wù)細分入口流量優(yōu)先級分類PoliciesonlyrequiredattheedgeofthenetworkToS優(yōu)先級位,區(qū)分服務(wù)分組標(biāo)記高優(yōu)先級用戶WeightedFairQueuingforbandwidthallocation高級客戶允許使用較大比例的帶寬高級客戶有效少的網(wǎng)絡(luò)擁塞和較短的隊列的延時WRED提供擁塞管理機制普通級別的用戶流量可被設(shè)置為最先丟包基于字節(jié)的帶寬整形能力HierarchicalRateLimitingAllowsforsellingofbandwidthQualityofService&SecurityControlPriorityHighPriorityMediumPriorityLowPrioritySwitchFabricASICbasedQoS

PacketManipulationLayer-3:TOS/DiffServPacketMarkingLayer-2:802.1pPacketMarkingLineSpeed

100MbpsStreamsStrictPriorityQueuingWeightedFairQueuing

(ex.25%perqueue)Layer-3:Layer-4flows

mappedtoCoSLayer-2:802.1ppriority

mappedtoCoSLineSpeedGigabitInputStreamsASICbasedPacketClassifier

(4ClassesofService)BufferQueuesPortAPortBQoS–基于QoS的線速應(yīng)用BufferQueuesBufferQueuesPort1Port2WRED

Avg.QueueDepthMgmt單位可細分為K為單位.Physical

Port

Ratelimited

portRatelimitedflowclasses

(PerApplicationorCustomer)Ratelimit

individual

flowsRevenueServiceLevel帶寬控制能力QualityofService&Security先進的流量整形能力是每個接口獲得有效地利用基于端口的速率限制能力（進或出）基于應(yīng)用分類的速率限制能力基于單個流的速率限制能力逐級的單寬供應(yīng)HTTPSMTPOther2Mb-Drop2Mb-Drop2Mb-DropAll3Mb-LowerPriorityCustomer

ACustomer

B5Mb-Drop5Mb-DropRateLimit

Port8Mb-DropQualityofService&Security1024Buckets/ModuleAddingDiscardEligible基于硬件基于IP策略的轉(zhuǎn)發(fā)提供流量工程服務(wù)能夠基于網(wǎng)絡(luò)地址及應(yīng)用可以和動態(tài)路由組合使用為第三方軟件提供開發(fā)工具集ACL能夠用來建立流量模型IP策略為符合ACL模型的提供需要的下一跳最大可以定義16個下一跳或網(wǎng)關(guān)地址負載可以分布在不同的下一跳網(wǎng)關(guān)上Traffic

EngineeringIPIPContent

Server流量工程基于策略的轉(zhuǎn)發(fā)WebCache重定向多協(xié)議標(biāo)簽交換(MPLS)Traffic

EngineeringRouterBRouterCRouterERouterD.2

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