CCNA培训 12第十一章应用帧中继实现广域网连接课件

第十一章

应用帧中继实现

广域网连接第十一章

应用帧中继实现

广域网连接通过本章的学习，您应该掌握以下内容：了解FrameRelay工作过程配置FrameRelay配置FrameRelay的子端口查看FrameRelay信息本章目标通过本章的学习，您应该掌握以下内容：本章目标FrameRelay概述使用虚电路进行连接提供面向对象的服务FrameRelayworkshere.DCEor

Frame

RelaySwitchCSU/DSUFrameRelay概述使用虚电路进行连接FrameRFrameRelay栈OSI参考模型FrameRelayPhysicalPresentationSessionTransportNetworkDataLinkApplicationEIA/TIA-232,EIA/TIA-449,V.35,X.21,EIA/TIA-530FrameRelayIP/IPX/AppleTalk,etc.FrameRelay栈OSI参考模型FrameRelFrameRelay术语Local

Access

Loop=T1LocalAccess

Loop=64kbpsLocalAccess

Loop=64kbpsDLCI:400PVCDLCI:500LMI

100=Active

400=ActiveDLCI:200DLCI:100PVCFrameRelay术语Local

Access

LooCSU/DSUFrameRelay地址映射从提供商那里得到本地的DLCI号

建立目的地址和本地DLCI之间的映射关系DLCI:500PVC10.1.1.1InverseARPor

FrameRelaymapIP

(10.1.1.1)Frame

RelayDLCI(500)CSU/DSUFrameRelay地址映射从提供商那里FrameRelay信号Cisco路由器支持三种LMI标准:CiscoANSIT1.617AnnexDITU-TQ.933AnnexADLCI:400PVCKeepaliveCSU/DSUDLCI:500PVC10.1.1.1xLMI

500=Active

400=InactiveFrameRelay信号Cisco路由器支持三种LMFrameRelay的反转ARP协议和LMI工作FrameRelayCloud1DLCI=100DLCI=400172.168.5.5172.168.5.7FrameRelay的反转ARP协议和LMI工作FrameRelay的反转ARP协议和LMI工作2StatusInquiry2StatusInquiryFrameRelayCloud1DLCI=100DLCI=400172.168.5.5172.168.5.7FrameRelay的反转ARP协议和LMI工作FrameRelay的反转ARP协议和LMI工作3LocalDLCI100=Active4LocalDLCI400=Active2StatusInquiry2StatusInquiryFrameRelayCloud1DLCI=100DLCI=4003172.168.5.5172.168.5.7FrameRelay的反转ARP协议和LMI工作FrameRelay的反转ARP协议和LMI工作4Hello,Iam172.168.5.5.3LocalDLCI100=Active4LocalDLCI400=Active2StatusInquiry2StatusInquiryFrameRelayCloud1DLCI=100DLCI=4003172.168.5.5172.168.5.7FrameRelay的反转ARP协议和LMI工作FrameRelay的反转ARP协议和LMI工作Hello,Iam172.168.5.7.45FrameRelayMap172.168.5.5DLCI400ActiveFrameRelayCloudDLCI=100DLCI=400FrameRelayMap172.168.5.7DLCI100Active5172.168.5.5172.168.5.7FrameRelay的反转ARP协议和LMI工作FrameRelay的反转ARP协议和LMI工作Hello,Iam172.168.5.7.45FrameRelayMap172.168.5.5DLCI400ActiveFrameRelayCloudDLCI=100DLCI=400FrameRelayMap172.168.5.7DLCI100Active5Hello,Iam172.168.5.5.6172.168.5.5172.168.5.7FrameRelay的反转ARP协议和LMI工作FrameRelay的反转ARP协议和LMI工作KeepalivesKeepalivesHello,Iam172.168.5.7.45FrameRelayMap172.168.5.5DLCI400ActiveFrameRelayCloudDLCI=100DLCI=400FrameRelayMap172.168.5.7DLCI100Active5Hello,Iam172.168.5.5.677172.168.5.5172.168.5.7FrameRelay的反转ARP协议和LMI工作

Rel.11.2RouterRel.10.3RouterinterfaceSerial1ipaddress10.16.0.1255.255.255.0encapsulationframe-relaybandwidth64interfaceSerial1ipaddress10.16.0.2255.255.255.0encapsulationframe-relaybandwidth64frame-relaylmi-typeansiHQBranch配置FrameRelayRel.11.2RouterRel.10.3Rou反转ARP缺省情况下是激活的在配置输出信息中看不出来Rel.11.2RouterRel.10.3RouterHQ

interfaceSerial1ipaddress10.16.0.1255.255.255.0encapsulationframe-relaybandwidth64interfaceSerial1ipaddress10.16.0.2255.255.255.0encapsulationframe-relaybandwidth64frame-relaylmi-typeansiBranch配置FrameRelay反转ARPRel.11.2RouterRel.10.DLCI=110IPaddress=10.16.0.1/24p1r1DLCI=100IPaddress=10.16.0.2/24interfaceSerial1ipaddress10.16.0.1255.255.255.0encapsulationframe-relaybandwidth64frame-relaymapip10.16.0.2110broadcastHQBranch配置静态的FrameRelay映射DLCI=110p1r1DLCI=100interface查看FrameRelay信息显示协议、DLCI、和LMI的相关信息Router#showinterfaces0Serial0isup,lineprotocolisupHardwareisHD64570Internetaddressis10.140.1.2/24MTU1500bytes,BW1544Kbit,DLY20000usec,rely255/255,load1/255EncapsulationFRAME-RELAY,loopbacknotset,keepaliveset(10sec)LMIenqsent19,LMIstatrecvd20,LMIupdrecvd0,DTELMIupLMIenqrecvd0,LMIstatsent0,LMIupdsent0LMIDLCI1023LMItypeisCISCOframerelayDTEFRSVCdisabled,LAPFstatedownBroadcastqueue0/64,broadcastssent/dropped8/0,interfacebroadcasts5Lastinput00:00:02,output00:00:02,outputhangneverLastclearingof"showinterface"countersneverQueueingstrategy:fifoOutputqueue0/40,0drops;inputqueue0/75,0drops<Outputomitted>查看FrameRelay信息显示协议、DLCI、和L显示LMI信息Router#showframe-relaylmi

LMIStatisticsforinterfaceSerial0(FrameRelayDTE)LMITYPE=CISCOInvalidUnnumberedinfo0InvalidProtDisc0InvaliddummyCallRef0InvalidMsgType0InvalidStatusMessage0InvalidLockShift0InvalidInformationID0InvalidReportIELen0InvalidReportRequest0InvalidKeepIELen0NumStatusEnq.Sent113100NumStatusmsgsRcvd113100NumUpdateStatusRcvd0NumStatusTimeouts0查看FrameRelay信息显示LMI信息Router#showframe-rel显示PVC数据通讯信息查看FrameRelay信息Router#showframe-relaypvc100PVCStatisticsforinterfaceSerial0(FrameRelayDTE)DLCI=100,DLCIUSAGE=LOCAL,PVCSTATUS=ACTIVE,INTERFACE=Serial0inputpkts28outputpkts10inbytes8398outbytes1198droppedpkts0inFECNpkts0inBECNpkts0outFECNpkts0outBECNpkts0inDEpkts0outDEpkts0outbcastpkts10outbcastbytes1198pvccreatetime00:03:46,lasttimepvcstatuschanged00:03:47显示PVC数据通讯信息查看FrameRelay信息显示路由信息Router#showframe-relaymapSerial0(up):ip10.140.1.1dlci100(0x64,0x1840),dynamic,broadcast,,statusdefined,active查看FrameRelay信息显示路由信息Router#showframe-relay清除动态的FrameRelay映射关系查看FrameRelay信息Router#showframe-relaymapSerial0(up):ip10.140.1.1dlci100(0x64,0x1840),dynamic,broadcast,,statusdefined,activeRouter#clearframe-relay-inarpRouter#shframemapRouter#清除动态的FrameRelay映射关系查看Frame显示LMI的调试信息查看FrameRelay信息

Router#debugFramelmiFrameRelayLMIdebuggingisonDisplayingallFrameRelayLMIdataRouter#1w2d:Serial0(out):StEnq,myseq140,yourseen139,DTEup1w2d:datagramstart=0xE008EC,datagramsize=131w2d:FRencap=0xFCF103091w2d:007501010103028C8B1w2d:1w2d:Serial0(in):Status,myseq1401w2d:RTIE1,length1,type11w2d:KAIE3,length2,yourseq140,myseq1401w2d:Serial0(out):StEnq,myseq141,yourseen140,DTEup1w2d:datagramstart=0xE008EC,datagramsize=131w2d:FRencap=0xFCF103091w2d:007501010103028D8C1w2d:1w2d:Serial0(in):Status,myseq1421w2d:RTIE1,length1,type01w2d:KAIE3,length2,yourseq142,myseq1421w2d:PVCIE0x7,length0x6,dlci100,status0x2,bw0显示LMI的调试信息查看FrameRelay信息 Star(HubandSpoke)FullMeshPartialMeshFrameRelaydefault:nonbroadcast,multiaccess(NBMA)选择FrameRelay拓扑结构Star(HubandSpoke)FullMeshP问题:广播帧必须复制给其它已经建立的连接Routing

UpdateACB231路由信息的可达性BCDA问题:Routing

UpdateACB231路由信息的可达实现路由信息的可达性解决方法:在NBMA环境的网络中使用水平分割可能造成一些问题划分子端口可以解决水平分割造成的问题一个物理端口可以被划分成多个逻辑意义上的子端口SubnetASubnetBSubnetCS0Physical

InterfaceS0.1S0.2S0.3LogicalInterface实现路由信息的可达性解决方法:SubnetASubnet子端口的配置点到点子端口看作是专线没一个点到点连接的子端口要求由自己的子网适用于星型拓扑结构

多点子端口应用在NBMA网络，因此它们无法解决水平分割所带来的问题由于使用的是单独的子网可以保存地址空间适用于partial-mesh和full-mesh拓扑结构中子端口的配置点到点A10.17.0.1

s0.2B配置点到点的子端口interfaceSerial0noipaddressencapsulationframe-relay!interfaceSerial0.2point-to-pointipaddress10.17.0.1255.255.255.0

bandwidth64frame-relayinterface-dlci110!interfaceSerial0.3point-to-pointipaddress10.18.0.1255.255.255.0

bandwidth64frame-relayinterface-dlci120!s0.310.18.0.1C10.17.0.210.18.0.2DLCI=110DLCI=120A10.17.0.1

s0.2B配置点到点的子端口s0.3C

interfaceSerial2noipaddressencapsulationframe-relay!interfaceSerial2.2multipointipaddress10.17.0.1255.255.255.0

bandwidth64frame-relaymapip10.17.0.2120broadcastframe-relaymapip10.17.0.3130broadcastframe-relaymapip10.17.0.4140broadcasts2.1=10.17.0.2/24s2.2=10.17.0.1/24s2.1=10.17.0.4/24s2.1=10.17.0.3/24RTR1BRTR3RTR4多点子端口配置举例DLCI=120DLCI=130DLCI=140s2.1=10.17.0.2/24s2.2=10.17.0可视化目标pod ro’ss0 A 10.140.1.2B 10.140.2.2C 10.140.3.2D 10.140.4.2E 10.140.5.2 F 10.140.6.2 G 10.140.7.2H 10.140.8.2 I 10.140.9.2 J 10.140.10.2 K 10.140.11.2L 10.140.12.2

core_server10.1.1.1wg_sw_a10.2.2.11wg_sw_l10.13.13.11wg_pc_a10.2.2.12wg_pc_l10.13.13.12wg_ro_ae0/1e0/2e0/2e0/1e0e0fa0/23core_sw_a10.1.1.2wg_ro_lcore_ro10.1.1.3fa0/24fa0/0FR...10.13.13.3PPPwithCHAPPPPwithCHAP10.2.2.3s010.140.1.2/24s010.140.12.2/24s2/7.x10.140.1.1/24…10.140.12.1/24可视化目标pod ro’ss0 core_serv了解FrameRelay工作过程配置FrameRelay配置FrameRelay的子端口查看FrameRelay信息本章总结完成本章的学习后，你应该能够掌握：了解FrameRelay工作过程本章总结完成本章的学习1.什么是DLCI?2. 在Cisco路由器上，用那两种方法可以建立本地DLCI和目标地址之间的映射关系?3. 配置FrameRelay的子端口有何好处?问题回顾1.什么是DLCI?问题回顾演讲完毕，谢谢观看！演讲完毕，谢谢观看！第十一章

应用帧中继实现

广域网连接第十一章

应用帧中继实现

广域网连接通过本章的学习，您应该掌握以下内容：了解FrameRelay工作过程配置FrameRelay配置FrameRelay的子端口查看FrameRelay信息本章目标通过本章的学习，您应该掌握以下内容：本章目标FrameRelay概述使用虚电路进行连接提供面向对象的服务FrameRelayworkshere.DCEor

Frame

RelaySwitchCSU/DSUFrameRelay概述使用虚电路进行连接FrameRFrameRelay栈OSI参考模型FrameRelayPhysicalPresentationSessionTransportNetworkDataLinkApplicationEIA/TIA-232,EIA/TIA-449,V.35,X.21,EIA/TIA-530FrameRelayIP/IPX/AppleTalk,etc.FrameRelay栈OSI参考模型FrameRelFrameRelay术语Local

Access

Loop=T1LocalAccess

Loop=64kbpsLocalAccess

Loop=64kbpsDLCI:400PVCDLCI:500LMI

100=Active

400=ActiveDLCI:200DLCI:100PVCFrameRelay术语Local

Access

LooCSU/DSUFrameRelay地址映射从提供商那里得到本地的DLCI号

建立目的地址和本地DLCI之间的映射关系DLCI:500PVC10.1.1.1InverseARPor

FrameRelaymapIP

(10.1.1.1)Frame

RelayDLCI(500)CSU/DSUFrameRelay地址映射从提供商那里FrameRelay信号Cisco路由器支持三种LMI标准:CiscoANSIT1.617AnnexDITU-TQ.933AnnexADLCI:400PVCKeepaliveCSU/DSUDLCI:500PVC10.1.1.1xLMI

500=Active

400=InactiveFrameRelay信号Cisco路由器支持三种LMFrameRelay的反转ARP协议和LMI工作FrameRelayCloud1DLCI=100DLCI=400172.168.5.5172.168.5.7FrameRelay的反转ARP协议和LMI工作FrameRelay的反转ARP协议和LMI工作2StatusInquiry2StatusInquiryFrameRelayCloud1DLCI=100DLCI=400172.168.5.5172.168.5.7FrameRelay的反转ARP协议和LMI工作FrameRelay的反转ARP协议和LMI工作3LocalDLCI100=Active4LocalDLCI400=Active2StatusInquiry2StatusInquiryFrameRelayCloud1DLCI=100DLCI=4003172.168.5.5172.168.5.7FrameRelay的反转ARP协议和LMI工作FrameRelay的反转ARP协议和LMI工作4Hello,Iam172.168.5.5.3LocalDLCI100=Active4LocalDLCI400=Active2StatusInquiry2StatusInquiryFrameRelayCloud1DLCI=100DLCI=4003172.168.5.5172.168.5.7FrameRelay的反转ARP协议和LMI工作FrameRelay的反转ARP协议和LMI工作Hello,Iam172.168.5.7.45FrameRelayMap172.168.5.5DLCI400ActiveFrameRelayCloudDLCI=100DLCI=400FrameRelayMap172.168.5.7DLCI100Active5172.168.5.5172.168.5.7FrameRelay的反转ARP协议和LMI工作FrameRelay的反转ARP协议和LMI工作Hello,Iam172.168.5.7.45FrameRelayMap172.168.5.5DLCI400ActiveFrameRelayCloudDLCI=100DLCI=400FrameRelayMap172.168.5.7DLCI100Active5Hello,Iam172.168.5.5.6172.168.5.5172.168.5.7FrameRelay的反转ARP协议和LMI工作FrameRelay的反转ARP协议和LMI工作KeepalivesKeepalivesHello,Iam172.168.5.7.45FrameRelayMap172.168.5.5DLCI400ActiveFrameRelayCloudDLCI=100DLCI=400FrameRelayMap172.168.5.7DLCI100Active5Hello,Iam172.168.5.5.677172.168.5.5172.168.5.7FrameRelay的反转ARP协议和LMI工作

Rel.11.2RouterRel.10.3RouterinterfaceSerial1ipaddress10.16.0.1255.255.255.0encapsulationframe-relaybandwidth64interfaceSerial1ipaddress10.16.0.2255.255.255.0encapsulationframe-relaybandwidth64frame-relaylmi-typeansiHQBranch配置FrameRelayRel.11.2RouterRel.10.3Rou反转ARP缺省情况下是激活的在配置输出信息中看不出来Rel.11.2RouterRel.10.3RouterHQ

interfaceSerial1ipaddress10.16.0.1255.255.255.0encapsulationframe-relaybandwidth64interfaceSerial1ipaddress10.16.0.2255.255.255.0encapsulationframe-relaybandwidth64frame-relaylmi-typeansiBranch配置FrameRelay反转ARPRel.11.2RouterRel.10.DLCI=110IPaddress=10.16.0.1/24p1r1DLCI=100IPaddress=10.16.0.2/24interfaceSerial1ipaddress10.16.0.1255.255.255.0encapsulationframe-relaybandwidth64frame-relaymapip10.16.0.2110broadcastHQBranch配置静态的FrameRelay映射DLCI=110p1r1DLCI=100interface查看FrameRelay信息显示协议、DLCI、和LMI的相关信息Router#showinterfaces0Serial0isup,lineprotocolisupHardwareisHD64570Internetaddressis10.140.1.2/24MTU1500bytes,BW1544Kbit,DLY20000usec,rely255/255,load1/255EncapsulationFRAME-RELAY,loopbacknotset,keepaliveset(10sec)LMIenqsent19,LMIstatrecvd20,LMIupdrecvd0,DTELMIupLMIenqrecvd0,LMIstatsent0,LMIupdsent0LMIDLCI1023LMItypeisCISCOframerelayDTEFRSVCdisabled,LAPFstatedownBroadcastqueue0/64,broadcastssent/dropped8/0,interfacebroadcasts5Lastinput00:00:02,output00:00:02,outputhangneverLastclearingof"showinterface"countersneverQueueingstrategy:fifoOutputqueue0/40,0drops;inputqueue0/75,0drops<Outputomitted>查看FrameRelay信息显示协议、DLCI、和L显示LMI信息Router#showframe-relaylmi

LMIStatisticsforinterfaceSerial0(FrameRelayDTE)LMITYPE=CISCOInvalidUnnumberedinfo0InvalidProtDisc0InvaliddummyCallRef0InvalidMsgType0InvalidStatusMessage0InvalidLockShift0InvalidInformationID0InvalidReportIELen0InvalidReportRequest0InvalidKeepIELen0NumStatusEnq.Sent113100NumStatusmsgsRcvd113100NumUpdateStatusRcvd0NumStatusTimeouts0查看FrameRelay信息显示LMI信息Router#showframe-rel显示PVC数据通讯信息查看FrameRelay信息Router#showframe-relaypvc100PVCStatisticsforinterfaceSerial0(FrameRelayDTE)DLCI=100,DLCIUSAGE=LOCAL,PVCSTATUS=ACTIVE,INTERFACE=Serial0inputpkts28outputpkts10inbytes8398outbytes1198droppedpkts0inFECNpkts0inBECNpkts0outFECNpkts0outBECNpkts0inDEpkts0outDEpkts0outbcastpkts10outbcastbytes1198pvccreatetime00:03:46,lasttimepvcstatuschanged00:03:47显示PVC数据通讯信息查看FrameRelay信息显示路由信息Router#showframe-relaymapSerial0(up):ip10.140.1.1dlci100(0x64,0x1840),dynamic,broadcast,,statusdefined,active查看FrameRelay信息显示路由信息Router#showframe-relay清除动态的FrameRelay映射关系查看FrameRelay信息Router#showframe-relaymapSerial0(up):ip10.140.1.1dlci100(0x64,0x1840),dynamic,broadcast,,statusdefined,activeRouter#clearframe-relay-inarpRouter#shframemapRouter#清除动态的FrameRelay映射关系查看Frame显示LMI的调试信息查看FrameRelay信息

Router#debugFramelmiFrameRelayLMIdebuggingisonDisplayingallFrameRelayLMIdataRouter#1w2d:Serial0(out):StEnq,myseq140,yourseen139,DTEup1w2d:datagramstart=0xE008EC,datagramsize=131w2d:FRencap=0xFCF103091w2d:007501010103028C8B1w2d:1w2d:Serial0(in):Status,myseq1401w2d:RTIE1,length1,type11w2d:KAIE3,length2,yourseq140,myseq1401w2d:Serial0(out):StEnq,myseq141,yourseen140,DTEup1w2d:datagramstart=0xE008EC,datagramsize=131w2d:FRencap=0xFCF103091w2d:007501010103028D8C1w2d:1w2d:Serial0(in):Status,myseq1421w2d:RTIE1,length1,type01w2d:KAIE3,length2,yourseq142,myseq1421w2d:PVCIE0x7,length0x6,dlci100,status0x2,bw0显示LMI的调试信息查看FrameRelay信息 Star(HubandSpoke)FullMeshPartialMeshFrameRelaydefault:nonbroadcast,multiaccess(NBMA)选择FrameRelay拓扑结构Star(HubandSpoke)FullMeshP问题:广播帧必须复制给其它已经建立的连接Routing

UpdateACB231路由信息的可达性BCDA问题:Routing

UpdateACB231路由信息的可达实现路由信息的可达性解决方法:在NBMA环境的网络中使用水平分割可能造成一些问题划分子端口可以解决水平分割造成的问题一个物理端口可以被划分成多个逻辑意义上的子端口SubnetASubnetBSubnetCS0Physical

InterfaceS0.1S0.2S0.3LogicalInterface实现路由信息的可达性解决方法:SubnetASubnet子端口的配置点到点子端