DR002009 NE系列路由器MPLS L2 VPN特性 ISSUE 1.00

修訂記錄課程編碼適用產(chǎn)品產(chǎn)品版本課程版本ISSUEDR002009NE路由器All1.00開發(fā)/優(yōu)化者時(shí)間審核人開發(fā)類型（新開發(fā)/優(yōu)化）高建勤20100105周進(jìn)軍新開發(fā)本頁不打印0NE系列路由器MPLSL2VPN特性培訓(xùn)目標(biāo)學(xué)完本課程后，您應(yīng)該能：概述CCC技術(shù)和Martini技術(shù)描述如何在CCC模式中建立隧道以及如何在Martini模式中建立公網(wǎng)隧道和VC連接描述在CCC模式和Martini模式中數(shù)據(jù)是如何轉(zhuǎn)發(fā)的描述Martini模式和SVC模式的不同之處在NE路由器上配置CCC、Martini和SVC2目錄CCCMartini和SVC3目錄CCC1.1CCC概述1.2數(shù)據(jù)轉(zhuǎn)發(fā)1.3配置舉例4CCC模式的網(wǎng)絡(luò)拓?fù)銿PNAVPNBSiteASiteACECEVPNAVPNBSiteBSiteBCECEPEAPEBPPPPMPLSDomainSiteCCEVPNB5目錄CCC1.1CCC概述1.2數(shù)據(jù)轉(zhuǎn)發(fā)1.3配置舉例6StaticLSP數(shù)據(jù)封裝CEAPEACEBTunnelLabelL2PDUPEB7CCC本地連接的報(bào)文轉(zhuǎn)發(fā)CEAPEACEBPEBVPNBSiteACEAPVPNBSiteBCEBVPNAVPNASiteASiteBPDUVPNBSiteCCECPDU8CCC遠(yuǎn)程連接的數(shù)據(jù)轉(zhuǎn)發(fā)CEAPEACEBPEBVPNBSiteACEAPVPNBSiteBCEBPDU100PDUPDU101PDUVPNAVPNASiteASiteB9目錄CCC1.1CCC概述1.2數(shù)據(jù)轉(zhuǎn)發(fā)1.3配置舉例10配置舉例PEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2PLoopback11.1.1.1/32E4/0/112.12.12.1/30E4/0/213.13.13.1/30PEALoopback13.3.3.3/32E4/0/213.13.13.2/30E4/0/0.1VLAN10PEBLoopback12.2.2.2/32E4/0/112.12.12.2/30E4/0/0.1VLAN20E4/0/0E4/0/0連接遠(yuǎn)程CCC11標(biāo)簽規(guī)劃PEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2E4/0/0E4/0/0O-Label200I-Label200O-Label201I-Label201I-Label100O-Label100I-Label101O-Label10112配置步驟配置IP地址1配置MPLS2使能MPLSL2VPN3配置CCC連接4配置靜態(tài)LSP513在P上配置IP地址和MPLSPEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2[P]Interfaceloopback1[P-Loopback1]ipadd1.1.1.1255.255.255.255[P-Loopback1]quit[P]mpls

lsr-id1.1.1.1[P]mpls[P-mpls]quit[P]interfaceEthernet4/0/1[P-Ethernet4/0/1]ipadd12.12.12.1255.255.255.252[P-Ethernet4/0/1]mpls[P-Ethernet4/0/1]quit[P]interfaceEthernet4/0/2[P-Ethernet4/0/2]ipadd13.13.13.1255.255.255.252[P-Ethernet4/0/2]mpls14在PEB上配置IP地址和MPLSPEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2[PEB]Interfaceloopback1[PEB-Loopback1]ipadd2.2.2.2255.255.255.255[PEB-Loopback1]quit[PEB]mpls

lsr-id2.2.2.2[PEB]mpls[PEB-mpls]quit[PEB]interfaceEthernet4/0/1[PEB-Ethernet4/0/1]ipadd12.12.12.2255.255.255.252[PEB-Ethernet4/0/1]mpls15在PEA上配置IP地址和MPLSPEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2[PEA]Interfaceloopback1[PEA-Loopback1]ipadd3.3.3.3255.255.255.255[PEA-Loopback1]quit[PEA]mpls

lsr-id3.3.3.3[PEA]mpls[PEA-mpls]quit[PEA]interfaceEthernet4/0/2[PEA-Ethernet4/0/2]ipadd13.13.13.2255.255.255.252[PEA-Ethernet4/0/2]mpls16Page17在PE上使能MPLSL2VPNPEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2Undomplsl2vpn[PEA]mplsl2vpn[PEB]mplsl2vpn在PEA上創(chuàng)建遠(yuǎn)程CCC連接PEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2[PEA]cccPEA-PEBinterfaceEthernet4/0/0.1in-label100out-label200nexthop13.13.13.1E4/0/0E4/0/0Undoccc

18在PEB上創(chuàng)建遠(yuǎn)程CCC連接PEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2[PEB]cccPEB-PEAinterfaceEthernet4/0/0.1in-label201out-label101nexthop12.12.12.1E4/0/0E4/0/019在P上配置靜態(tài)LSPPEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2[P]static-lsptransitPEA-PEBincoming-interfaceEthernet4/0/2in-label200outgoing-interfaceEthernet4/0/1out-label201[P]static-lsptransitPEB-PEAincoming-interfaceEthernet4/0/1in-label101outgoing-interfaceEthernet4/0/2out-label100E4/0/0E4/0/0Undostatic-lsptransit20檢查CCC連接PEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2[PEA]display

ccc

totalccc

vc:1localccc

vc:0,0upremoteccc

vc:1,1upname:PEA-PEB,type:remote,state:up,intf:Ethernet4/0/0.1(up),in-label:100,out-label:200,nexthop:13.13.13.1檢查CCC連接21配置舉例PEBLoopback12.2.2.2/32E4/0/0.2VLAN40E4/0/2.1VLAN30CCC本地連接PEAE4/0/0PEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2E4/0/0CECE4/0/222配置步驟在PEB上配置MPLS1在PEB上使能MPLSL2VPN2配置本地CCC連接323在PEB上配置MPLSPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2E4/0/0CECCCC本地連接E4/0/2[PEB]mpls

lsr-id2.2.2.2[PEB]mpls24在PEB上使能MPLSL2VPNPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2E4/0/0CECCCC本地連接E4/0/2[PEB]mplsl2vpn25在PEB上創(chuàng)建本地CCC連接[PEB]cccCEB-CECinterfaceEthernet4/0/0.2out-interfaceEthernet4/0/2.1PEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2E4/0/0CECCCC本地連接E4/0/226檢查CCC連接[PEB]display

ccc

totalccc

vc:2localccc

vc:1,1upremoteccc

vc:1,1upname:PEB-PEA,type:remote,state:up,intf:Ethernet4/0/0.1(up),in-label:201,out-label:101,nexthop:12.12.12.1name:CEB-CEC,type:local,state:up,

intf1:Ethernet4/0/0.2(up),intf2:Ethernet4/0/2.1(up)檢查CCC連接PEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2E4/0/0CECCCCLocalConnectionE4/0/227目錄CCCMartini和SVC28目錄Martini和SVC2.1Martini概述2.2VC連接2.3數(shù)據(jù)轉(zhuǎn)發(fā)2.4配置舉例29Martini模式的網(wǎng)絡(luò)拓?fù)銿PNAVPNBSiteASiteACECEVPNAVPNBSiteBSiteBCECEPEAPEBPPPPMPLSDomainVPNA遠(yuǎn)程連接VPNB遠(yuǎn)程連接30目錄Martini和SVC2.1Martini概述2.2VC連接2.3數(shù)據(jù)轉(zhuǎn)發(fā)2.4配置舉例31Martini模式支持本地連接嗎？VPNAVPNBSiteASiteACECEVPNAVPNBSiteBSiteBCECEPEAPEBPPPPMPLSDomain它支持本地連接嗎？SiteCCEVPNB32Martini模式不支持本地連接VPNAVPNBSiteASiteACECEVPNAVPNBSiteBSiteBCECEPEAPEBPPPPMPLSDomain它支持本地連接嗎？SiteCCEVPNBNo!33如何在LSP中區(qū)分不同的VCVCVPNAVPNBSiteASiteACECEVPNAVPNBSiteBSiteBCECEPEAPEBPPPPMPLSDomainVPNA遠(yuǎn)程連接VPNB遠(yuǎn)程連接VCVCLSP如何在LSP中區(qū)分不同的VCs?34VCID和VCTypeVCVPNAVPNBSiteASiteACECEVPNAVPNBSiteBSiteBCECEPEAPEBPPPPVPNA遠(yuǎn)程連接VPNB遠(yuǎn)程連接VCVCLSP如何在LSP中區(qū)分不同VC?VCType+VCIDMPLSDomain35VCLSP標(biāo)簽/VCID映射CEAPEA1、接入電路用對(duì)端地址和VCID來配置2、PEA開始同PEB建立LSP會(huì)話3、PEA為新接口分配VC標(biāo)簽并綁定到配好的VCID4、PEA發(fā)送攜帶VCFECTLV&VClabelTLV的LabelMapping消息。5、PEB收到和本地VCID相匹配的VCFECTLV&VClabelTLV6、反之亦然，PEB會(huì)重復(fù)前面1－5步以便建立雙向的標(biāo)簽/VCID映射。CEBPEBAttachmentCircuitMPLSDomainAttachmentCircuitDirectedLDP36標(biāo)簽撤銷LDPLabelWithdrawVCID320VCLabel16VCLSPCEAPEACEBPEBLinkFailureTriggersLabelWithdrawalMsgCircuitStatusSignaling37標(biāo)簽映射消息和128類VCFECVCTLV(0x80)cVCTypeVCInfoLengthGroupIDVCIDInterfaceParameters00LengthFECTLV(0x0010)MessageID0LabelMessage(0x0400)MessageLength00LengthGenericLabel(0x0200)LabelOptionalParameters01531Type128VCFEC標(biāo)簽映射消息38128類VCFEC報(bào)文字段描述字段名含義位數(shù)（bit）說明VCTLVVC的TLV值8取值為0x80，即十進(jìn)制的128。C控制字11表示支持控制字；0為不支持控制字。VCTypeVC類型15類型包括FR、ATM、VLAN、Ethernet、PPP和HDLC。VCInfoLengthVC信息長度8VCID和interfaceparameters的長度。GroupID組ID值32一些VC組成一個(gè)組，主要用來批量撤消相應(yīng)的VC信息。VCIDVC的ID值32VCID值，一個(gè)VC是由VCID和VCType來唯一確定。Interfaceparameters接口參數(shù)不確定一些接口參數(shù)值，常用的是接口的MTU值。39目錄Martini和SVC2.1Martini概述2.2VC連接2.3數(shù)據(jù)轉(zhuǎn)發(fā)2.4配置舉例40VCLSP數(shù)據(jù)封裝CEAPEACEBTunnelLabelVCLabelPDUPEB41LSP數(shù)據(jù)轉(zhuǎn)發(fā)CEAPEACEBPEBVPNBSiteACEAPPVPNBSiteBCEBPDU30001000PDUPDU30001001PDU30001002PDUVPNAVPNASiteASiteBPDUPDU40001000PDU40001001PDU40001002PDUVLAN10VLAN20VCI100VCI10442SVCvsMartiniSVC模式可以看作是簡化的Martini模式。項(xiàng)目MartiniSVC公網(wǎng)隧道LDP，CR-LDP，GRE內(nèi)層標(biāo)簽遠(yuǎn)程LDP手工分配數(shù)據(jù)封裝兩層標(biāo)簽數(shù)據(jù)轉(zhuǎn)發(fā)外層標(biāo)簽在公網(wǎng)中被交換內(nèi)層標(biāo)簽被PE添加或刪除并在公網(wǎng)中保持相同本地連接不支持43目錄Martini和SVC2.1Martini概述2.2VC連接2.3數(shù)據(jù)轉(zhuǎn)發(fā)2.4配置舉例44Martini模式配置舉例PLoopback11.1.1.1/32E4/0/112.12.12.1/30E4/0/213.13.13.1/30PEALoopback13.3.3.3/32E4/0/213.13.13.2/30E4/0/0.1VLAN10PEBLoopback12.2.2.2/32E4/0/112.12.12.2/30E4/0/0.1VLAN20PEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2E4/0/0E4/0/0MartiniVLL45配置步驟配置IGP1配置MPLS和LDP2配置遠(yuǎn)程LDP3使能MPLSL2VPN4創(chuàng)建VC連接546在P上配置IGPPEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2[P]ospf1[P-ospf-1]area0.0.0.0[P-ospf-1-area-0.0.0.0]network12.12.12.00.0.0.3[P-ospf-1-area-0.0.0.0]network13.13.13.00.0.0.3[P-ospf-1-area-0.0.0.0]network1.1.1.10.0.0.047在PEB上配置IGPPEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2[PEB]ospf1[PEB-ospf-1]area0.0.0.0[PEB-ospf-1-area-0.0.0.0]network12.12.12.00.0.0.3[PEB-ospf-1-area-0.0.0.0]network2.2.2.20.0.0.048在PEA上配置IGPPEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2[PEA]ospf1[PEA-ospf-1]area0.0.0.0[PEA-ospf-1-area-0.0.0.0]network13.13.13.00.0.0.3[PEA-ospf-1-area-0.0.0.0]network3.3.3.30.0.0.049檢查IGPPEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2[PEA]display

iprouting-tableRouteFlags:R-relay,D-downloadtofibRoutingTables:PublicDestinations:11Routes:11Destination/MaskProtoPreCostFlagsNextHopInterface

1.1.1.1/32OSPF102D13.13.13.1Ethernet4/0/22.2.2.2/32OSPF103D13.13.13.1Ethernet4/0/2

3.3.3.3/32Direct00D127.0.0.1InLoopBack012.12.12.0/30OSPF102D13.13.13.1Ethernet4/0/2

13.13.13.0/30Direct00D13.13.13.2Ethernet4/0/213.13.13.2/32Direct00D127.0.0.1InLoopBack0127.0.0.0/8Direct00D127.0.0.1InLoopBack0127.0.0.1/32Direct00D127.0.0.1InLoopBack0檢查IGP

50在P上配置MPLS和LDPPEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2[P]mpls

lsr-id1.1.1.1[P]mpls[P-mpls]quit[P]mpls

ldp[P-mpls-ldp]quit[P]interfaceEthernet4/0/1[P-Ethernet4/0/1]mpls[P-Ethernet4/0/1]mplsldp[P-Ethernet4/0/1]quit[P]interfaceEthernet4/0/2[P-Ethernet4/0/2]mpls[P-Ethernet4/0/2]mplsldp51在PEB上配置MPLS和LDPPEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2[PEB]mpls

lsr-id2.2.2.2[PEB]mpls[PEB-mpls]quit[PEB]mpls

ldp[PEB-mpls-ldp]quit[PEB]interfaceEthernet4/0/1[PEB-Ethernet4/0/1]mpls[PEB-Ethernet4/0/1]mplsldp52在PEA上配置MPLS和LDPPEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2[PEA]mpls

lsr-id3.3.3.3[PEA]mpls[PEA-mpls]quit[PEA]mpls

ldp[PEA-mpls-ldp]quit[PEA]interfaceEthernet4/0/2[PEA-Ethernet4/0/2]mpls[PEA-Ethernet4/0/2]mplsldp53在P上查看LDP會(huì)話[P]dis

mpls

ldpsessionLDPSession(s)inPublicNetwork

Peer-IDStatusLAMSsnRole

SsnAgeKA-Sent/Rcv

2.2.2.2:0OperationalDUPassive000:00:1667/683.3.3.3:0OperationalDUPassive000:00:1769/69

TOTAL:2session(s)Found.LAM:LabelAdvertisementModeSsnAgeUnit:DDD:HH:MM查看LDP會(huì)話

PEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/254在PEB上查看LSP[PEB]display

mpls

lspLSPInformation:LDPLSPFECIn/OutLabelIn/OutIFVrfName1.1.1.1/32NULL/3-/Eth4/0/1

3.3.3.3/32NULL/1024-/Eth4/0/1

2.2.2.2/323/NULL-/-1.1.1.1/321024/3-/Eth4/0/13.3.3.3/321025/1024-/Eth4/0/1

查看LSP

PEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/255在PEA上配置遠(yuǎn)端LDPPEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2[PEA]mpls

ldpremote-peervpna[PEA-mpls-ldp-remote-vpna]remote-ip2.2.2.2[PEA-mpls-ldp-remote-vpna]quit56在PEB上配置遠(yuǎn)端LDPPEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2[PEB]mpls

ldpremote-peervpna[PEB-mpls-ldp-remote-vpna]remote-ip3.3.3.3[PEA-mpls-ldp-remote-vpna]quit57在PEB上查看遠(yuǎn)端LDP[PEB]display

mpls

ldpsessionLDPSession(s)inPublicNetwork

Peer-IDStatusLAMSsnRole

SsnAgeKA-Sent/Rcv

1.1.1.1:0OperationalDUActive000:00:1772/71

3.3.3.3:0OperationalDUPassive000:00:1564/64

TOTAL:2session(s)Found.LAM:LabelAdvertisementModeSsnAgeUnit:DDD:HH:MM查看遠(yuǎn)端LDPPEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/258在PEA上使能MPLSL2VPNPEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2[PEA]mplsl2vpn[PEA]mplsl2vpndefaultmartini59在PEB上使能MPLSL2VPNPEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2[PEB]mplsl2vpn[PEB-l2vpn]mplsl2vpndefaultmartini60在PEA上創(chuàng)建VC連接PEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2E4/0/0E4/0/0[PEA]interfaceEthernet4/0/0.1[PEA-Ethernet4/0/0.1]vlan-typedot1q10[PEA-Ethernet4/0/0.1]mplsl2vc2.2.2.210161[PEB]interfaceEthernet4/0/0.1[PEB-Ethernet4/0/0.1]vlan-typedot1q20[PEB-Ethernet4/0/0.1]mplsl2vc3.3.3.3101在PEB上創(chuàng)建VC連接PEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2E4/0/0E4/0/062在PEA上檢查VC連接[PEA]display

mplsl2vcTotalldp

vc:11up0down*ClientInterface:Ethernet4/0/0.1

SessionState:upACStatus:upVCState:upVCID:101VCType:vlanDestination:2.2.2.2

LocalVCLabel:140288RemoteVCLabel:140288ControlWord:DisableLocalVCMTU:1500RemoteVCMTU:1500TunnelPolicyName:--TrafficBehaviorName:--PWTemplateName:--Createtime:0days,0hours,6minutes,31secondsUPtime:0days,0hours,5minutes,15secondsLastchangetime:0days,0hours,5minutes,15seconds檢查VC連接PEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/263問題A[PEA]display

mplsl2vcTotalldp

vc:11up0down*ClientInterface:Ethernet4/0/0.1SessionState:upACStatus:upVCState:upVCID:101VCType:vlanDestination:2.2.2.2LocalVCLabel:140288RemoteVCLabel:140288

ControlWord:DisableLocalVCMTU:1500RemoteVCMTU:1500TunnelPolicyName:--TrafficBehaviorName:--PWTemplateName:--Createtime:0days,0hours,6minutes,31secondsUPtime:0days,0hours,5minutes,15secondsLastchangetime:0days,0hours,5minutes,15seconds哪個(gè)路由器分發(fā)的本地VC標(biāo)簽？PEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/264問題A的答案[PEA]display

mplsl2vcTotalldp

vc:11up0down*ClientInterface:Ethernet4/0/0.1SessionState:upACStatus:upVCState:upVCID:101VCType:vlanDestination:2.2.2.2LocalVCLabel:140288RemoteVCLabel:140288

ControlWord:DisableLocalVCMTU:1500RemoteVCMTU:1500TunnelPolicyName:--TrafficBehaviorName:--PWTemplateName:--Createtime:0days,0hours,6minutes,31secondsUPtime:0days,0hours,5minutes,15secondsLastchangetime:0days,0hours,5minutes,15seconds哪個(gè)路由器分發(fā)的本地VC標(biāo)簽？PEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/265問題B[PEA]display

mplsl2vcTotalldp

vc:11up0down*ClientInterface:Ethernet4/0/0.1SessionState:upACStatus:upVCState:upVCID:101VCType:vlanDestination:2.2.2.2LocalVCLabel:140288RemoteVCLabel:140288

ControlWord:DisableLocalVCMTU:1500RemoteVCMTU:1500TunnelPolicyName:--TrafficBehaviorName:--PWTemplateName:--Createtime:0days,0hours,6minutes,31secondsUPtime:0days,0hours,5minutes,15secondsLastchangetime:0days,0hours,5minutes,15seconds哪個(gè)路由器分發(fā)的遠(yuǎn)端VC標(biāo)簽?PEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/266問題B的答案[PEA]display

mplsl2vcTotalldp

vc:11up0down*ClientInterface:Ethernet4/0/0.1SessionState:upACStatus:upVCState:upVCID:101VCType:vlanDestination:2.2.2.2LocalVCLabel:140288RemoteVCLabel:140288

ControlWord:DisableLocalVCMTU:1500RemoteVCMTU:1500TunnelPolicyName:--TrafficBehaviorName:--PWTemplateName:--Createtime:0days,0hours,6minutes,31secondsUPtime:0days,0hours,5minutes,15secondsLastchangetime:0days,0hours,5minutes,15seconds哪個(gè)路由器分發(fā)的遠(yuǎn)端VC標(biāo)簽?PEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/267問題C[PEA]display

mplsl2vcTotalldp

vc:11up0down*ClientInterface:Ethernet4/0/0.1SessionState:upACStatus:upVCState:upVCID:101VCType:vlanDestination:2.2.2.2LocalVCLabel:140288RemoteVCLabel:140288

ControlWord:DisableLocalVCMTU:1500RemoteVCMTU:1500TunnelPolicyName:--TrafficBehaviorName:--PWTemplateName:--Createtime:0days,0hours,6minutes,31secondsUPtime:0days,0hours,5minutes,15secondsLastchangetime:0days,0hours,5minutes,15seconds本地VC標(biāo)簽和遠(yuǎn)端VC標(biāo)簽必須相同嗎?PEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/268問題C的答案[PEA]display

mplsl2vcTotalldp

vc:11up0down*ClientInterface:Ethernet4/0/0.1SessionState:upACStatus:upVCState:upVCID:101VCType:vlanDestination:2.2.2.2LocalVCLabel:140288RemoteVCLabel:140288

ControlWord:DisableLocalVCMTU:1500RemoteVCMTU:1500TunnelPolicyName:--TrafficBehaviorName:--PWTemplateName:--Createtime:0days,0hours,6minutes,31secondsUPtime:0days,0hours,5minutes,15secondsLastchangetime:0days,0hours,5minutes,15seconds本地VC標(biāo)簽和遠(yuǎn)端VC標(biāo)簽必須相同嗎?No!PEAPEBPCEACEBE4/0/1E4/0/1E4/0/2E4/0/2