ccnp 2 4ospf network typesOSPF网络类型包括以下几种

环回口在OSPF环回口下配置的IP，不管掩码配置为多少，发出路由时都会当做/32 如果帧中继子接口类型为P2P DR、使用组播地址OSPF能够根据二层封装自动检测到P2P

为也为

使用组播地址224.0.0.5及

ipipospfpriority默认优先级为10使用物理接口默认为 #debugipospfOSPF:InterfaceSerial0/0/0.1goingOSPF:BuildrouterLSAforarea0,routerID192.168.1.1,seqOSPF:RcvDBDfrom192.168.1.2onSerial0/0/0.1seq0xCF0opt0x52flag0x7len32mtu1500stateINITOSPF:2WayCommunicationto192.168.1.2onSerial0/0/0.1,stateOSPF:SendDBDto192.168.1.2onSerial0/0/0.1seq0xF4Dopt0x52flag0x7len32OSPF:NBRNegotiationDone.WearetheSLAVEOSPF:SendDBDto192.168.1.2onSerial0/0/0.1seq0xCF0opt0x52flag0x2len132OSPF:RcvDBDfrom192.168.1.2onSerial0/0/0.1seq0xCF1opt0x52flag0x3len132mtu1500stateEXCHANGEOSPF:SendDBDto192.168.1.2onSerial0/0/0.1seq0xCF1opt0x52flag0x0len32OSPF:Databaserequestto192.168.1.2OSPF:sentLSREQpacketto192.168.1.2,lengthOSPF:RcvDBDfrom192.168.1.2onSerial0/0/0.1seq0xCF2opt0x52flag0x1len32mtu1500stateEXCHANGEOSPF:ExchangeDonewith192.168.1.2onOSPF:SendDBDto192.168.1.2onSerial0/0/0.1seq0xCF2opt0x52flag0x0len32OSPF:Synchronizedwith192.168.1.2onSerial0/0/0.1,stateFULL%OSPF-5-ADJCHG:Process100,Nbr192.168.1.2onSerial0/0/0.1fromLOADINGtoFULL,LoadingDoneOSPF:BuildrouterLSAforarea0,routerID192.168.1.1,seq #debugipospfOSPF:InterfaceFastEthernet0/0goingOSPF:BuildrouterLSAforarea0,routerID192.168.1.1,seqOSPF:2WayCommunicationto172.16.1.1onFastEthernet0/0,state2WAYOSPF:endofWaitoninterfaceFastEthernet0/0<outputOSPF:NeighborchangeEventoninterfaceFastEthernet0/0OSPF:DR/BDRelectiononFastEthernet0/0OSPF:ElectBDR172.16.1.1OSPF:ElectDRDR:192.168.1.1 BDR:172.16.1.1OSPF:RcvDBDfrom172.16.1.1onFastEthernet0/0seq0x14B7opt0x52flag0x7len32mtu1500stateEXSTARTOSPF:FirstDBDandwearenotSLAVE-OSPF:SendDBDto172.16.1.1onFastEthernet0/0seq0xDCEopt0x52flag0x7len32OSPF:RetransmittingDBDto172.16.1.1onOSPF:RcvDBDfrom1