内容全集h3cse题库gb0380v

1.LLLL2.EGP 3. OSPFD.MSR RTARTA]interfaceLoopBack0RTAOSPF1RouterIDRTA RTCRTDRTA]ospf1router-idRTB]ospf1router-idRTB-ospf-1]areaRTB-ospf-1]areaRTC]ospf1router-idRTD]ospf1router-idRTAOSPFStubTotallStubNSSARTA RTCRTDRTA-ospf-1]import-routedirectRTB-LoopBack0]ipaddressRTC-LoopBack0]ipaddressRTD-LoopBack0]ipaddressRTARTBRTCRTABRTARTCRTAA.RTB]aclnumberRTB-acl-basic-2000]rule0permitsource55RTB-ospf-1-area-]filter2000exportB.RTB-ospf-1-area-]abr-summar C.RTB]aclnumber2000RTB-acl-basic-2000]rule0permitsource55RTB-ospf-1]filter-polic2000importD.RTC]aclnumberRTC-acl-basic-2000]rule0permitsource55RTC-ospf-1]filter-polic2000importOSI ESA.B.C.D.12.NETA.B.C.IS-IS A.RTAB.RTBD. RTARTCRTDRTE Level-2RTBRTARTCLevel-1RTB RTARTCRTA-isis-1]import-routeisislevel-2intolevel-1RTC-isis-1]import-routeisislevel-2intolevel-1RTB B.RTARTCC.RTCRTCD.RTCpermitless-eualpermitpermit550less-eualRTA MED A.B.C.D.AS300AS400EBGPAS100 A.C.D. AS_PATH MED21.BGPBGP RTD A.LocalB.LocalPreferenceC.LocalPreferenceD.LocalPreferencematchA.BGPC.

RTBRTA

RTA

C.RTB munitD.RTA AS ASASAS/24 /24 bgppreference20170peerRTDas-number1002route-policsetmedpermitnode10applcost100bgppreference20170peerRTBas-numberpeerRTCas-number1002route-policsetmedpermitnode10applcost200MEDMEDeBGPMEDMEDeBGPC.C.D.5RTAPC1B.C.D. IPIPIPIPIPA.B.D. IT SOA IP A.B.C.IToIPSOAD. IToIP IPITITIPIToIPITIToIPITITXZXZ123502008200XZXZ/XZXZ123502008200XZA. XZXZ123502008200InternetXZA.B.ITITB.B.B.A.LLLB.C.D.IS-43.LLL44.LLL45. 6 1 8,7604Availabilit48.A.VLSMIPB.RIPC.D.49.A.B. C.RIP-1D.50.A.RIPB.IPSecC.IS-ISD.51.A.RIPB.BGPA.BGPA.BGPB.C.RIPD.53.IGPA. B. C. D.IS- A.B.C.D.A.A.1 1021100IPA.RIPB.OSPFD.57.A.B.C.D.58.A.RIPB.RIPC.D.VLSMA.RIP-B.RIP-C.D.RTA BGPRTARTBRTARTB RTARTB RTARTB RTARTB RTARTBIGP RIP 1 1002/81100 D.RIP 10 100 2/81100 D.H3C H3C MSRISP MSRMSR-Ethernet1/2]ipfast-forwardinginboundMSR-Ethernet1/2]ipfast-forwardingoutboundMSR-Ethernet1/2]undoipfast-forwardinginboundMSR-Ethernet1/2]undoipfast-forwardingoutboundAnswer:DMSRMSRA.E1/0 B.C.RIPS2/0D.MSRE1/0ISDNBri2/0Bri2/0070.MSRE1/0ISDNBri2/05Bri2/002100Mbps22100Mbps2 ECMPMSR50RIP1502 ECMPMSR2 ECMP150`MSROSPF MSROSPF100 MSRRIP60 4 4 RTEiproute-staticiproute-staticiproute-staticiproute-staticRouter]ripsummar-addressRouter-rip-1]ripsummar-addressRouter-rip-1]ripsummar-addressRouter-Serial1/0]ripsummar-addressMSRRouter]ripsummar-addressRouter-rip-1]ripsummar-addressRouter-rip-1]ripsummar-addressA.B.C.D. 2323A.B.C.D.B.

DR/BDRC. 88. DR/BDR RouterID089.OSPF4 RTC 2 1 RouterID 4

OSPFBDR90. 4 RTC 2 1

OSPF

192. 91. 4RTA 12RouterID4OSPF DR DatabaseDescription A.B.LSA LSAD. OSPFD.OSPF A. oC. DR0D.silent-interfaceC.MSR-1]D.MSR-1]97. DRDR98.b DRDR99. P2P oA.B.C.D.100.H NBMAoA.B.C.D.

105.OSPF RTBRTBOSPFRTBOSPFRTBareaIDRTBOSPFRTBOSPFarea RTARTB/24RTBOSPFRTBOSPFRTBareaIDRTBOSPFRTBOSPFarea108. RTARTA]interfaceLoopBack0RTAOSPF1RouterID109. RTAdisospf OSPFProcess1withRouterIDNeighborBriefInformationArea: PriDead-Time A.RTAOSPF1RouterIDB.RTAOSPF1RouterIDC.RTAGE0/0GE0/0IP 110. RTAdisospf OSPFProcess100withRouterIDNeighborBriefArea: PriDead-Time A.RTAOSPF1RouterIDB.OSPFRouterIDC.RTA37sD.RTA111.MSR RTAdisospfinterface OSPFProcess1withRouterIDArea: 1 112.MSR RTAdisospfinterface OSPFProcess100withRouterIDArea:IP 1RouterC.OSPFBroadcastD.RTABDR113. RTAdisospf OSPFProcess1withRouterIDRoutingTablesRoutingfor1211111111IntraArea: InterArea: ASE: NSSA:6OSPF 114Tpe2Area0Area0114. RTAdisospf OSPFProcess1withRouterIDRoutingTablesRoutingfor1211111111IntraArea: InterArea: ASE: NSSA:6OSPF 114Tpe1Tpe2Area0115.RTA RTBRTCIP OSPF RTA]ospf1router-idRTB]ospf1router-idRTB-ospf-1]peerRTB-ospf-1]areaRTC]ospf1router-idB.RTA]ospf1router-idRTB]ospf1router-idRTB-ospf-1]areaRTC]ospf1router-idC.RTA-Serial5/0]frmapip20broadcastRTA-Serial5/0]frmapip50broadcastRTA-Serial5/0]ospfnetwork-tpep2mpRTA]ospf1router-idRTB-Serial5/0]frmapip30broadcastRTB-Serial5/0]ospfnetwork-tpep2mpRTB]ospf1router-idRTB-ospf-1]areaRTC-Serial5/0]frmapip40broadcastRTC-Serial5/0]ospfnetwork-tpep2mpRTC]ospf1router-idD.RTA]ospf1router-idRTB]ospf1router-idRTB-ospf-1]areaRTC]ospf1router-id116.RTA RTBRTCIP OSPF A.RTA]ospf1router-idRTB]ospf1router-idRTB-ospf-1]areaRTC]ospf1router-idB.RTA]ospf1router-idRTB]ospf1router-idRTB-ospf-1]areaRTC]ospf1router-idC.RTA-Serial5/0]frmapip20broadcastRTA-Serial5/0]frmapip50broadcastRTA-Serial5/0]ospfnetwork-tpep2mpRTA]ospf1router-idRTB-Serial5/0]frmapip30broadcastRTB-Serial5/0]ospfnetwork-tpep2mpRTB]ospf1router-idRTB-ospf-1]areaRTC-Serial5/0]frmapip40broadcastRTC-Serial5/0]ospfnetwork-tpep2mpRTC]ospf1router-idRTA]ospf1router-idRTB]ospf1router-idRTB-ospf-1]peerRTB-ospf-1]areaRTC]ospf1router-id117. RTBRTC RTA RTBRTA]ospf1router-idRTB]ospf1router-idRTB-ospf-1]areaRTC]ospf1router-idRTARTCRTCBRTCIP RTBRTA]ospf1router-idRTB]ospf1router-idRTB-ospf-1]areaRTB-ospf-1]peerRTC]ospf1router-idRTARTCCRTCRTAArea1NSSAC.RTBD.RTC120.RTARTCA.RTA

alwa121. OSPFRTA]iproute-staticC.RTA-ospf-1]area0RTA]iproute-staticRTA]iproute-static123.RTARTA]iproute-staticRTCA.RTAB.RTA OSPFC.Area1NSSAD.RTB124.RTARTA]iproute-staticRTCA.RTAB.RTA OSPFC.Area1NSSAD.RTC125. RTCRTDRTA]ospf1router-idRTB]ospf1router-idRTB-ospf-1]areaRTB-ospf-1]areaRTC]ospf1router-idRTD]ospf1router-idRTDA.B.C.D.126. RTCRTDRTA]ospf1router-idRTB]ospf1router-idRTB-ospf-1]areaRTB-ospf-1]areaRTC]ospf1router-idRTD]ospf1router-idRTD-ospf-1-area-]networkRTCOSPFA.B.C.D.RTCOSPFA.B.C.D.128. RTAdisospf OSPFProcess100withRouterIDVirtualVirtual-linkNeighbor-ID Interface:(GigabitEthernet0/1)Cost:1 State:P-2-PTpe:VirtualTransitArea:Timers:o10,Dead40,Retransmit5,TransmitA.RTAOSPFOSPF1POSD.RTA1129.M RTAdisospf $?OSPFProcess100withRouterID3.3.VirtualVirtual-linkNeighbor-ID Interface:(GigabitEthernet0/1)Cost:1 State:P-2-PTpe:VirtualTransitArea:Timers:o10,Dead40,Retransmit5,Transmit Stub1GigabitEthernet0/1o10S40STpe3Tpe4Tpe5Tpe7

ABR Tpe1

ASBRTpe2Tpe4Tpe7132. Tpe4 Tpe4 Tpe4LSATpe4LSAASBROSPFRouterTpe4LSA133. Tpe3 Tpe3 Tpe3LSATpe3LSATpe3LSA 134.Tpe3Tpe4Tpe5Tpe7135.-Tpe1Tpe2Tpe3Tpe4 137. RTCRTA-GigabitEthernet0/0]ospfnetwork-tpep2pRTA]ospf1router-idRTB-GigabitEthernet0/0]ospfnetwork-tpep2pRTB-GigabitEthernet0/1]ipaddressRTB-GigabitEthernet0/1]ospfnetwork-tpep2pRTB]ospf1router-idRTB-ospf-1]areaRTC-GigabitEthernet0/0]ospfnetwork-tpep2pRTC]ospf1router-idRTBOSPFLSATpe1Tpe2Tpe3Tpe4Tpe5138. RTAdisospf OSPFProcess1withRouterIDLinkStateDatabaseArea:Area:10ASExternal1 LSDBTpe5 Tpe7r StubStubStubStubTpe7 RTCRTD/24 C.RTD]ospf1RTA RTCRTD/24 Answer:BRTA RTCRTDRTA-ospf-1]import-routedirectRTB-LoopBack0]ipaddressRTC-LoopBack0]ipaddressRTD-LoopBack0]ipaddressRTA RTCRTDRTA-ospf-1]import-routedirectRTB-LoopBack0]ipaddressRTB-ospf-1]import-routedirectRTC-LoopBack0]ipaddressRTD-LoopBack0]ipaddressStub D.StubTotallStub RTB2TotallStub RTCRTDC.RTC]ospf1 RTB2TotallStub RTCRTDC.RTC]ospf1RTD-ospf-1-area-]network55CRTA RTCRTDRTA-ospf-1]import-routedirectRTB-LoopBack0]ipaddressRTC-LoopBack0]ipaddressRTD-LoopBack0]ipaddress RTCRTDRTA-ospf-1]import-routedirectRTB-LoopBack0]ipaddressRTB-ospf-1]import-routedirectRTC-LoopBack0]ipaddressRTD-LoopBack0]ipaddressOSPF NSSA Tpe3 Tpe4 Tpe7NSSAz NSSANSSA ABRTpe7LSATpe5NSSATpe7OSPF StubStub

Tpe4Tpe5 NSSA Tpe5Stub

Tpe7LSA NSSATpe3

Tpe7 A.Tpe5B.Tpe4C.D.NSSAASBR RTB2NSSA RTCRTD156. RTB2NSSA RTARTCRTDRTC-ospf-1-area-]network55RTC-ospf-1-area-]network55Answer: RTCRTDRTA-ospf-1]import-routedirectRTB-LoopBack0]ipaddressRTB-ospf-1]import-routedirectRTC-LoopBack0]ipaddressRTD-LoopBack0]ipaddress RTDRTERTC]ospf1router-idRTD]ospf1router-idRTE-LoopBack0]ipaddress2 Tpe7RTCTpe7LSATpe5LSARTDC.RTDTpe7LSATpe5LSARTCD.RTCRTDTpe7LSATpe5LSARTARTBRTCRTDRTA-ospf-1]import-routedirectRTB-LoopBack0]ipaddressRTC-LoopBack0]ipaddressRTD-LoopBack0]ipaddress2Tpe3Tpe4Tpe5Tpe7RTA RTCRTDRTA-ospf-1]import-routedirectRTB-LoopBack0]ipaddressRTC-LoopBack0]ipaddressRTD-LoopBack0]ipaddressTpe3Tpe4Tpe5Tpe7 ASBRLSATpe3Tpe4Tpe5Tpe7 ABRABRTpe3ABRTpe4ABR NSSATpe7 Tpe5LSAABRTpe5 RTCRTA-ospf-1]import-routedirectRTB-LoopBack0]ipaddressRTC-LoopBack0]ipaddressRTC-ospf-1-area-]network55RTD-LoopBack0]ipaddress RTCRTDRTA-ospf-1]import-routedirectRTB-LoopBack0]ipaddressRTC-LoopBack0]ipaddressRTD-LoopBack0]ipaddressRTA RTCRTA-ospf-1]import-routedirectRTB-LoopBack0]ipaddressRTC-LoopBack0]ipaddressRTD-LoopBack0]ipaddress RTCRTA RTCRTA-ospf-1]import-routedirectRTB-LoopBack0]ipaddressRTC-LoopBack0]ipaddressRTC-ospf-1-area-]network55RTD-LoopBack0]ipaddress2Tpe3Tpe4Tpe5Tpe7 RTCRTDRTA-ospf-1]import-routedirectRTB-LoopBack0]ipaddressRTC-LoopBack0]ipaddressRTD-LoopBack0]ipaddress2Tpe3Tpe4Tpe5Tpe7 RTBRTC0 RTBRTC RTBRTB-ospf-1-area-]abr-summar RTC RTBRTB-ospf-1-area-]abr-summar RTCRTARTBRTCRTARTAimport-routedirect /24,/24/24/24/24RTBRTA RTAimport-routedirect /24,/24/24/24/24RTBRTA RTAimport-routedirect /24,/24/24/24/24RTARTBRTCRTBRTAimport-routedirect /24,/24/24/24/24RTARTBRTCRTBRTAimport-routedirect /24,/24/24/24/24RTARTBRTCRTB]ospfRTB-ospf-1-area-]network55RTB-ospf-1-area-]area0RTCRTAimport-routedirect /24,/24/24/24/24RTARTBRTCRTA-ospf-1]importdirectRTB-ospf-1-area-]network55RTB-ospf-1-area-]area0RTB-ospf-1]importdirectRTCOSPFA.B.OSPFTpe3LSARTARTBRTBRTCRTARTBA.RTARTBB.RTBRTC RTBo Answer:RTARTBRTBRTCRTARTBRTC]ospf1A.RTARTBB.RTBRTC RTAo Answer:RTARTCRTA]interfaceGigabitEthernet0/0RTA-GigabitEthernet0/0]ospfauthentication-modesimplein12345RTC-ospf-1]area0RTC]interfaceGigabitEthernet0/0RTC-GigabitEthernet0/0]ospfauthentication-modesimpleinRTBRTA RTCRTBRTB]interfaceGigabitEthernet0/0RTB-GigabitEthernet0/0]ospfauthentication-modesimplein12345RTB]interfaceGigabitEthernet0/1RTB-GigabitEthernet0/1]ospfauthentication-modesimplein54321B.RTB-ospf-1-area-]authentication-modesimpleRTB]interfaceGigabitEthernet0/0RTB-GigabitEthernet0/0]ospfauthentication-modesimplein12345RTB]interfaceGigabitEthernet0/1RTB-GigabitEthernet0/1]ospfauthentication-modesimplein54321C.RTB-ospf-1-area-]authentication-modesimpleRTB]interfaceGigabitEthernet0/0RTB-GigabitEthernet0/0]ospfauthentication-modesimplein54321RTB]interfaceGigabitEthernet0/1RTB-GigabitEthernet0/1]ospfauthentication-modesimplein12345D.RTB-ospf-1-area-]authentication-modemd5RTB]interfaceGigabitEthernet0/0RTB-GigabitEthernet0/0]ospfauthentication-modesimplein12345RTB]interfaceGigabitEthernet0/1RTB-GigabitEthernet0/1]ospfauthentication-modesimpleinRTARTCRTA]interfaceGigabitEthernet0/0RTA-GigabitEthernet0/0]ospfauthentication-modesimplein12345RTC-ospf-1]area0RTC]interfaceGigabitEthernet0/0RTC-GigabitEthernet0/0]ospfauthentication-modesimpleinRTBRTA RTCRTBRTB]interfaceGigabitEthernet0/0RTB-GigabitEthernet0/0]ospfauthentication-modesimplein12345RTB]interfaceGigabitEthernet0/1RTB-GigabitEthernet0/1]ospfauthentication-modesimplein54321B.RTB-ospf-1-area-]authentication-modesimpleRTB]interfaceGigabitEthernet0/0RTB-GigabitEthernet0/0]ospfauthentication-modesimplein12345RTB]interfaceGigabitEthernet0/1RTB-GigabitEthernet0/1]ospfauthentication-modesimplein54321C.RTB-ospf-1-area-]authentication-modesimpleRTB]interfaceGigabitEthernet0/0RTB-GigabitEthernet0/0]ospfauthentication-modesimpleinRTB]interfaceRTB-GigabitEthernet0/1]ospfauthentication-modesimplein12345D.RTB-ospf-1-area-]authentication-modesimpleRTB]interfaceGigabitEthernet0/0RTB-GigabitEthernet0/0]ospfauthentication-modesimplein12345RTB]interfaceGigabitEthernet0/1RTB-GigabitEthernet0/1]ospfauthentication-modesimpleinRTARTBRTB]aclnumberRTB-acl-basic-2000]rule0permitsource55RTB-ospf-1-area-]filter2000exportRTCRTARTBRTB]aclnumberRTB-acl-basic-2000]rule0permitsourceRTB-acl-basic-2000]rule5permitsource55RTB-ospf-1-area-]filter2000exportRTCRTARTBRTB]aclnumberRTB-acl-basic-2000]rule0permitsource55RTB-ospf-1]filter-polic2000importRTCRTARTBRTB]aclnumberRTB-acl-basic-2000]rule0permitsourceRTB-acl-basic-2000]rule5permitsource55RTB-ospf-1]filter-polic2000importRTBRTARTCRTA/24 A.RTB]aclnumberRTB-acl-basic-2000]rule0permitsourceRTB-acl-basic-2000]rule5permitsourceRTB-acl-basic-2000]rule10permitsource55RTB-ospf-1-area-]filter2000export C.RTB]aclnumberRTB-acl-basic-2000]rule0permitsourceRTB-acl-basic-2000]rule5permitsourceRTB-acl-basic-2000]rule10permitsource55RTB-ospf-1]filter-polic2000importD.RTC]aclnumberRTC-acl-basic-2000]rule10permitsource55RTC-ospf-1]filter-polic2000importIS OSIIS

SPFTCP/IPIPOSIRTCRTE (OSIRTBRTE ESISAreaISISISIS hIS- IS-ISLevel-1-2E. ISA.B.C.D.D.RTAIPRTAD. ESISISISISIS Level-1Level-2Level-1Level-2Level-1-2ISLevel-1Level-2Level-1-2A.IS-SPFC.IS-OSPFD.IS-IS Area AreaAreaArea ISLevel-ISLevel-1Level-Level-1Level-2 ISLevel-1-2 Level-1-2IS Level-2210.IPIS- B.IS-CLNSB.IS-CLNSIPC.D.IS-ARPICMP211.IS-ISOSPFA.0B.IS-A.0B.IS-IPIPv6 OSPFv2 IP IS-ISIP

160 160 64 IPIPNSAPStem

Stem

NSEL RouterIDMAC A.IPB.C.D.NSEL215.IS- NSAPNSAPB.C.31216.IS-ISNETNETNetwork OSPFBGP NETNSAPIP NSEL3NET NET217. IS-ISNET 219.IS-ISNET NET220.IS-ISNET NETISA.Router-NETRouter-ID NETRouter-IDStem-IDRTARTDIS-IS RTARTCRTDStem-IDRTBStem-IDIS-ISIIH PSNPLSP A.ISIS

Level-1Level-2 A.A.B.ISD.A.B.IS-ISC.IS-ISD.NSAP06.2400.0001.0020.0300.01 StemIDNSAP06.2400.0001.0020.0300.01 DISRTA DIS4DISDIS 4ISA.B.C.D.4ISA.B.C.D.233.IS- P2PLANoA.P2PIIHLANB.P2PLANC.P2P LAN3.3sD.LAN Level-1Level- P2PRTARTBRTARTB RTBA.B.C.D.235.RTARTBRTC oRTARTCRTCRTBA.B.C.D.236.IS-237.IS-ISCSNP238.IS-ISCSNP RTB RTB RTB RTB RTARTBP2PIS-IS RTA A.RTALSP_NRTBB.C.D.LSP_NLSP_NLSP_N241.RTA 1IS-ISRTBIS-IS242. RTBRTD/24 IS-ISIP C.D.RTBIPshutdownIS-ISIP C.D.RTBRTBRTD IP C.D. A.B.C.D.A.IS-B.C.IS-D.IS- RTARTA-Serial2/0]isisenable1area RTA RTA-isis-1]interfaceserial2/0RTB-isis-1]interfaceserial1/0RTARTB12Level-1Level-2 RTA RTA-isis-1]interfaceserial2/0RTB]isisRTB-isis-2]interfaceserial1/0RTARTB12Level-1Level-2 RTA RTA-isis-1]interfaceserial2/0RTB-isis-1]interfaceserial1/0RTB-Ethernet0/0]isisenable1RTC-isis-1]interfaceEthernet0/0RTC-Ethernet0/1]isisenable1RTAIS-IS 32 RTA RTA-isis-1]interfaceserial2/0RTB-isis-1]interfaceserial1/0RTB-Serial1/0]isiscostRTB-Ethernet0/0]isisenable1RTC-isis-1]interfaceEthernet0/0RTC-Ethernet0/1]isisenable1RTAIS-IS 32 A.RTAB.RTBD. RTB-isis-1]cost-stenarrowRTC-isis-1]cost-stewideA.RTAB.RTBRTEIS-IS

IS-ISLevel-IS-ISLevel-D.D.A.B.C.D.IS-ISLevel-A.B.C.D. A.B.C.D. RTA-Serial2/0]isisauthentication-modemd5h3cRTB-isis-1]area-authentication-modemd5h3cRTC-isis-1]-authentication-modemd5h3cRTARTB

RTB RTA-Serial2/0]isisauthentication-modemd5h3cRTB-isis-1]area-authentication-modemd5h3cRTC-isis-1]-authentication-modemd5h3cRTARTB

LSDB RTB RTA-Serial2/0]isisauthentication-modemd5h3cRTB-isis-1]area-authentication-modemd5h3c RTA

RTBLevel-1ISo

ISISo

IS IS RTBRTCIS-IS RTARTCIS-ISRTA 1RTARTA-isis-1]import-routeisislevel-2intolevel-1RTB A.RTARTAB.RTARTCC.RTCRTCD.RTC RTARTC Level-2RTBRTA Level-1RTB RTCRTC-isis-1]import-routeisislevel-2intolevel-1RTBA.RTARTA D.RTCISIS(1)ProtocolBriefInformationis-level:level-1-2cost-ste:narrowpreference:15Lsp-lengthreceive:Lsp-lengthoriginate:level-1level-2umimportedroutesnumber10000 Intervalbetween RTA2 ISIS(1)ProtocolBriefInformationis-level:level-1-2cost-ste:narrowpreference:15Lsp-lengthreceive:Lsp-lengthoriginate:level-1level-21476umimportedroutesnumber Intervalbetween RTAA.Level-1B.Level-1-C.Stem-D.Stem- PeerinformationforStemId:Interface:CircuitState: HoldTime:Tpe:StemId:Interface:CircuitState: HoldTime:Tpe:RTAA.Level-1-B.Level-C.D.PeerinformationforStemId:Interface:Circuit Tpe:PRI:StemId:Interface: Tpe:PRI:-RTAA.Level-1-B.Level-C.D.Stem-ID<RTB>disisis

IPV4ExtCostIPV4ExtCost0 0 IS-ISLevel-A.B.C.D.E.<RTB>disisisIPV4 ExtCost 00RTB IS-ISLevel-2LSPA.B.C.D.<RTC>displisislsdblevel-1Level-1LinkStateDatabase SeNum 3333.3333.3333.00-00*0x f f

A.RTCB.RTCStem-IDC.Stem-ID4444.4444.4444D.Stem-ID3333.3333.3333Level-1IP7<RTC>displisislsdblevel-2DatabaseinformationforLevel-2LinkState Se 1111.1111.1111.00-f

A.Stem-IDB.RTCStem-IDC.Stem-IDD.3333.3333.33331A.B.C.D.LSDB3 ABR5LSA280.281.D.282.OSPFA.RTA]silent-interfaceserial2/0283.OSPFpermitless-eualpermitpermitpermit055less-eualpermit24/24permitpermitpermit0less-eual

/2424permit24/24permit /2424permit0permit0less-eual32A.RIPB.RIPC.D.IS-ISOSPFfilter-policA.RIPB.RIPC.D.IS-ISOSPFfilter-policB.C.D.290.filter-polic A.ACLOSPF IPOSPFC.OSPFD.291.filter-polic A.ACLOSPFB.IPOSPFC.OSPFD.292.A.B.C.D.RTARTBOSPFRTA/24OSPFRTA-ospf-1]import-routestaticRTARTBOSPFRTA/24OSPFRTA-ospf-1]import-routestatic RTARTB RTCOSPF RTARTB RTDOSPF200 cost10 RTARTBOSPF100190 RTC/24 OSPF100RTARTBOSPF100OSPF200RTD/24A.RTD/24RTARTB RTAC.RTD RTARTB RTARTBRTCOSPF 100RTARTBRTDOSPF200cost10RTARTBOSPF100190RTC/24 RTB /24RTARTBRTCOSPF 100RTARTBRTDOSPF200cost 10RTARTB OSPF100 190RTC/24OSPF100RTA OSPF200RTBOSPF200OSPF100RTC/24/24/24/24/24 costRTAOSPF/24OSPF100 RTBOSPF200OSPF100RTC/24 /24/24RTB/24/24RTA RTBEBGP RTC/24 tpe1cost200 RTARTBOSPF 200BGP210BGP210BGPMEDidRTABGP RTBCOST01 IGP IGP IGP IGPRTARTBBGPOSPFBGPA.RTA OSPFBGPB.RTA OSPFBGPC.RTARTBOSPFBGPRTARTBBGP networkOSPFD.RTARTBOSPFBGPRTARTBBGP networkOSPFRTARTBBGPRTARTAA.RTAB.RTAC.RTAD.RTA

import-routestaticimport-routestaticdefault-routenetwork

tag

RTB

RTB if-matchtag200if-matchtag100if-matchtag200if-matchtag200preferenceaseroute-polic2200if-matchtag100if-matchtag200if-matchtag200if-matchtag100if-matchtag200if-matchtag200preferenceaseroute-polic2 tag100200RTARTBOSPFRTA tag200 if-matchtag200if-matchtag100if-matchtag200if-matchtag200if-matchtag100if-matchtag200if-matchtag200if-matchtag100if-matchtag200if-matchtag200preferenceaseroute-polic2 A.A.0B.1C.BGPMEDD.1MEDPBRdispolic-based-disippolic-based-disippolic-based-routedisiprouting-PBRdispolic-based-disippolic-based-resetpolic-based-routedisiprouting-PBRpolic-based-routepbr_apermitnode10if-matchacl3000apploutput-interfaceserialif-matchacl3000A.AclB.AclC.AclD.Acl3000PBRpolic-based-routepbr_apermitnode10if-matchacl3000apploutput-interfaceserialif-matchacl3000Acl3000Acl3000Acl3000Acl3000

Acl3000Acl3000PBR applA.B.C.D.E.RBRPBR PBRPBRRBRPBR PBRPBRA.B.C.D.PBRpolic-based-routepbr_apermitnode10if-matchacl3000apploutput-interfaceserial2/0A.acl3000B.101~1000C.Acl3000101~1000D.Acl3000101~1000polic-based-routepbr_apermitnode10if-matchacl3000apploutput-interfaceserial2/0A.acl3000B.101~1000C.Acl3000101~1000D.Acl30001000RTARTC PBRpolic-based-routepbr_apermitnode10if-matchacl3000polic-based-routepbr_adennodeRTAAcl3000A.B.C.RTARTCD.RTARTCMRTA RTA polic-based-routepbr_apermitnode10if-matchpacket-length64100if-matchpacket-length101applip-addressnext-hopRTARTARTC RTA polic-based-routepbr_apermitnode10if-matchpacket-length64100if-matchpacket-length101applip-addressnext-hopRTAA.64~100B.64~100C.101~1000D.101~1000 PBRPBRPBRPBR PBRPBRPBRPBRdisippolic-based-routestatisticinterfaceethernet1/0 InterfaceEthernet1/0policbasedroutingstatisticsinformation:permitnode5Denied:0,A.Ethernet1/0aaaB. C.D.disippolic-based-routestatisticinterfaceethernet1/0 InterfaceEthernet1/0policbasedroutingstatisticsinformation:permitnode5Denied:0,B.5aaa0324.A. B.C.D.325.bBGPUpdateA.B.C.UpdateD.Update326.BGP 327.BGPdisbgp328.disbgppeerOpenKeepaliveEstablishUpdate329.BGPLocalA.B.D.BGPA.B.C.D. AS100 BGPPathBGPBGPBGPMEDBGPBGP OPENBGPIDHoldtimerAS OPENBGPIDBGPBGPBGPLocal_Preference Local_PreferenceLocal_PreferenceASASBGPIBGPBGPEBGPBGPLocal_Preference ASAS IBGP

RTARTBBGPRTARTBRTA]bgptimerkeepalive10holdbgptimerkeepalive30holdRTARTBBGPRTARTBRTA]bgptimerkeepalive15holdbgptimerkeepalive10hold OSPFBGPBGP BGPORIGIN NNRTARTB RTC RTARTBRTCNNA. NB.RTARTBRTB200C.RTBRTA MED100 RTCRTA D.RTB

MED RTC D.

IBGPBGP RTCRTD RTBLOCAL_PREF NNRTB RTA NNRTARTBRTARTBNRTA 348.holdtime 348.IBGPvalue Router IGP ORIGIN IGP AS_PATHAS_PATHEBGPAS_PATHASEBGPAS_PATH BGPAS_PATH AS_PATH

BGP BGPiBGPAS_PATH C.RTAiBGP BGPD. BGPBGPTCPRTAdisbgppeerRTA0<RTA>disbgp Msg-RxMsg-Tx 40354000IP/27 BGP networkmasknetworkmaskIP/22 BGP networkmasknetworkmasknetworknetwork RTB RTAloopback0 RTBloopback0 RTARTB loopback0EBGPRTApeerconnect-interfaceloopbackpeeras-numberpeerconnect-interfaceloopbackpeeras-number200ebgp-max-peerconnect-interfaceloopbackpeeras-numberpeerconnect-interfaceloopbackpeeras-numberpeerebgp-max- RTCEBGP RTARTA /24RTB RTBRTC RTA/24357.357.BGPdisbgprouting-tabledisbgprouting-tableregular-expressiondisbgprouting-tableas-pathdisbgprouting-tablelocal-358.RTARTBRTCOSPFRTAAS200AS RTBMED200 RTARTBbgppeerRTDas-numberpeerRTBas-numberospfbgppeerRTDas-numberospfimport-routebgpcost /24 RTC RTBRTA RTB RTA- RTB- C.RTAC.RTAD.RTA359.e ASRTBRTARTCAS RTAbgppeerRTCas-numberbgpbgpRTC RTBIP/24 B.RTA-bgp]peerRTBnext-hop-localAnswer:BRTARTB AS100 AS300A.RTA RTCAS 300B.RTAAS_PATH RTAEBGPipas-pathden^200$ipas-path1den^300$ipas-path1permitC.RTAAS_PATH RTAEBGPipas-pathden^200$ipas-path1den^300$ipas-pth1D.RTAAS_PATH RTAEBGPipas-path1den^200_300$ipas-pth1h bgp100router-idpeeras-numbernetworknetworkbgprouter-idpeeras-numbernetworknetworkbgprouter-idpeeras-numberpeeras-numberbgprouter-idpeeras-number300ipas-path1permit_200_if-matchas-pathroute-policrt1permitnodeIPRouterDBGPBGPBGPEBGP RTCbgpundosnchronizationgroupas500peeras500as-path-acl1peergroupas500as-number500groupas600externalpeeras600as-path-acl1peergroupas600as-number600ipas-path-acl1permit^$bgpnetworkmaskundosnchronizationgroupas700peeras700route-policsetmedpeergroupas700as-number700route-policsetmedpermitnode10bgpnetworkmaskundosnchronizationgroupas700peeras700route-policsetmedpeergroupas700as-number700route-policsetmedpermitnode10applcost

/16/16BGPRTBRouterIDD.RTCRouterIDAnswer:D H3CH3C]dispip Protocol 20000000000000000bgpnetworknetworknetworkA.B.C.D. BGPRTA RTDA.RTBLocalPreferenceB.RTBLocalPreferenceC.RTCLocalPreferenceD.RTCLocalPreferenceBGPRTA RTDA.RTDLocalB.RTDLocalC.RTDLocalD.RTDLocalBGPRTA RTDA.RTDLocalB.RTDLocalC.RTDLocalD.RTDLocalBGPRTD Local Local LocalD.LocalBGPRTD A.LocalB.LocalC.LocalD.LocalBGPRTDA.RTAMED200B.RTAMED50C.MED200D.MED50BGPRTDA.RTAMED200B.RTAMED50C.MED200D.MED371.BGPAS-Path372.BGPA.Filter-B.Route-C.AS-PathD.A.Filter-B.Route-C.AS-pathlistASD.Route-policA.Filter-policBGPB.Route-policBGPC.AS-pathlistASD.Route-policRTA/24BGPRTA/24BGPRTA/24D.BGPRTA/24D.BGP12312341234 A.A.Route-policB.Route-C.Route-D.Route- match382.AS65000-65099A.B.C.D. BGPip-prefixBGP384.RTB RTCMED200 BGP/24200RTCRTC BGPRTA LPB.LP MEDC. MEDD.LP MED386.OSPF100MED1000 policA.route-policbgp2ospf100permitnode10if-matchmed1000if-matchcost1000if-matchmed1000if-matchcost1000RTA/24LPA.LP MEDB. MEDC.LP MEDD. MED388.RTAOSPF100/24 networkBGPRTA/24 RTA]disiprouting-table ProtocolPre RTAdefaultmed RTA /24MEDA.B.C.D. as-pathlistas-path as-pathlistas-pathlistas-pathlistRTA IBGP IBGP3001 RTARTA-BGP]peerinconnect-interfaceLoopback0RTA-BGP]peergroupinRTA-BGP]peergroupinRTA-BGP]peergroupinRTA-BGP]peerinfilter-polic3001C.RTA-BGP]peergroupinRTA-BGP]peergroupinRTA-BGP]peergroupinAnswer:DRTBRTARTDEBGPAS100RTCC.D.RTBRTBRTCRTD RTBRTARTDEBGPRTARTB A. RTBB. RTBRTCRTDRTCRTDC.RTBD.RTBRTD394.AS200AS100AS300 AS100bgpnetworkundopeeras-number peer permitnode10bgpundopeeras-num