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1、CCNP之OSPF实验案例实验要求:1、总部和分部之间通过帧中继实现互访,协议要求采用OSPF。要求帧中继不能动态获取映射,也不能静态配置映射2、配置好OSPF协议,验证邻居建立3、确保整个内网全网可达4、确保骨干区域高安全性5、尽量减少网关路由表条目6、R1、R3、R9性能不足,尽量减少其路由条目7、确保总部和分部都只通过自己的ISP上网8、不能出现主机路由实验拓扑:实验步骤:1、帧中继的配置:由于不能配置帧中继动态和静态映射,所以只能采用点对点子接口模式进行配置,在接口下声明自己的DLCI。其中R5的Route-ID是1.1.1.1,R6的Route-ID是2.2.2.2
2、。由于是点对点连接,所以不存在DR和BDR。FR-SW:FR-SW(config)#frame-relayswitchingFR-SW(config)#ints0/0FR-SW(config)#noshutFR-SW(config-if)#encapsulationframe-relayFR-SW(config-if)#clockrate64000FR-SW(config-if)#frame-relayintf-typedceFR-SW(config-if)#frame-relayroute102ints0/1201FR-SW(config)#ints0/1FR-SW(con
3、fig)#noshutFR-SW(config-if)#encapsulationframe-relayFR-SW(config-if)#clockrate64000FR-SW(config-if)#frame-relayintf-typedceFR-SW(config-if)#frame-relayroute201ints0/0102R5:R5(config)#ints2/1R5(config-if)#noshutR5(config-if)#encapsulationframe-relayR5(config)#ints2/1.1point-to-pointR5(config
4、-subif)#ipadd172.16.10.1255.255.255.0R5(config-subif)#frame-relayint-dlci102R5(config-subif)#noframe-relayinverse-arpR6:R6(config)#ints1/1R6(config-if)#noshutR6(config-if)#encapsulationframe-relayR6(config-if)#ipadd172.16.10.2255.255.255.0R6(config-if)#frame-relayint-dlci201R6(config-if)#no
5、frame-relayinverse-arp测试帧中继连接情况:FR-SW#showframe-relayrouInputIntfInputDlciOutputIntfOutputDlciStatusSerial0/0102Serial0/1201activeSerial0/1201Serial0/0102activeR6#showipospfintSerial1/1.1isup,lineprotocolisupInternetAddress172.16.10.2/24,Area0ProcessID1,RouterID2.2.2.2,NetworkTypePOINT_TO_P
6、OINT,Cost:64TransmitDelayis1sec,StatePOINT_TO_POINT,Timerintervalsconfigured,Hello10,Dead40,Wait40,Retransmit5oob-resynctimeout40Helloduein00:00:09SupportsLink-localSignaling(LLS)Index1/1,floodqueuelength0Next0x0(0)/0x0(0)Lastfloodscanlengthis1,maximumis6Lastfloodscantimeis0msec,maximumis4m
7、secNeighborCountis1,Adjacentneighborcountis1Adjacentwithneighbor1.1.1.1Suppresshellofor0neighbor(s)R5#showiposneidetailNeighbor2.2.2.2,interfaceaddress172.16.10.2Inthearea0viainterfaceSerial2/1.1Neighborpriorityis0,StateisFULL,12statechangesDRis0.0.0.0BD