网络系统建设与运维(中级) 3.2.1-基于单区域OSPF协议互联的公司网络搭建v1.0

由器互联。公司要求通过配置单区域OSPF北京总部使用192.168.1.0网段，上海分部使用172.16.1.0网段，广州分部使用[Huawei]system-view[Huawei]sysnameR1[R1]interfaceGigabitEthernet0/0/0[R1-GigabitEthernet0/0/0]ipaddress192.168.1.1255.255.255.0[R1]interfaceGigabitEthernet0/0/1[R1-GigabitEthernet0/0/1]ipaddress20.20.20.1255.255.255.0[R1]interfaceGigabitEthernet0/0/2[R1-GigabitEthernet0/0/2]ipaddress30.30.30.1255.255.255.0[Huawei]system-view[Huawei]sysnameR2[R2]interfaceGigabitEthernet0/0/0[R2-GigabitEthernet0/0/0]ipaddress172.16.1.2255.255.255.0[R2]interfaceGigabitEthernet0/0/1[R2-GigabitEthernet0/0/1]ipaddress20.20.20.2255.255.255.0[R2]interfaceGigabitEthernet0/0/2[R2-GigabitEthernet0/0/2]ipaddress40.40.40.2255.255.255.0[Huawei]system-view[Huawei]sysnameR3[R3]interfaceGigabitEthernet0/0/0[R3-GigabitEthernet0/0/0]ipaddress10.10.10.3255.255.255.0[R3]interfaceGigabitEthernet0/0/1[R3-GigabitEthernet0/0/1]ipaddress40.40.40.3255.255.255.0[R3]interfaceGigabitEthernet0/0/2[R3-GigabitEthernet0/0/2]ipaddress30.30.30.3255.255.255.0[R1]ospf1[R1-ospf-1]area0[R1-ospf-1-area-0.0.0.0]network192.168.1.00.0.0.255[R1-ospf-1-area-0.0.0.0]network20.20.20.00.0.0.255[R1-ospf-1-area-0.0.0.0]network30.30.30.00.0.0.255[R2]ospf1[R2-ospf-1]area0[R2-ospf-1-area-0.0.0.0]network172.16.1.00.0.0.255[R2-ospf-1-area-0.0.0.0]network20.20.20.00.0.0.255[R2-ospf-1-area-0.0.0.0]network40.40.40.00.0.0.255[R3]ospf1[R3-ospf-1]area0[R3-ospf-1-area-0.0.0.0]network10.10.10.00.0.0.255[R3-ospf-1-area-0.0.0.0]network40.40.40.00.0.0.255[R3-ospf-1-area-0.0.0.0]network30.30.30.00.0.0.255[R1]displayospfinterfaceOSPFProcess1withRouterID192.168.1.1InterfacesArea:0.0.0.0TEnotenabled)IPAddressTypeStateCostPriDRBDR192.168.1.1BroadcastDR11192.168.1.10.0.0.020.20.20.1BroadcastDR1120.20.20.120.20.20.230.30.30.1BroadcastDR1130.30.30.130.30.30.3[R2]displayospfinterfaceOSPFProcess1withRouterID172.16.1.2InterfacesArea:0.0.0.0(MPLSTEnotenabled)IPAddressTypeStateCostPriDRBDR172.16.1.2BroadcastDR11172.16.1.20.0.0.020.20.20.2BroadcastBDR1120.20.20.120.20.20.240.40.40.2BroadcastDR1140.40.40.240.40.40.3[R3]displayospfinterfaceOSPFProcess1withRouterID10.10.10.3InterfacesArea:0.0.0.0(MPLSTEnotenabled)IPAddressTypeStateCostPriDRBDR10.10.10.3BroadcastDR1110.10.10.30.0.0.040.40.40.3BroadcastBDR1140.40.40.240.40.40.330.30.30.3BroadcastBDR1130.30.30.130.30.30.3[R1]displayospfpeerOSPFProcess1withRouterID192.168.1.1NeighborsArea0.0.0.0interface20.20.20.1(GigabitEthernet0/0/1)'sneighborsRouterID:172.16.1.2Address:20.20.20.2State:FullMode:NbrisSlavePriority:1DR:20.20.20.1BDR:20.20.20.2MTU:0Deadtimerduein32secRetranstimerinterval:5Neighborisupfor00:06:46AuthenticationSequence:[0]NeighborsArea0.0.0.0interface30.30.30.1(GigabitEthernet0/0/2)'sneighborsRouterID:10.10.10.3Address:30.30.30.3State:FullMode:NbrisSlavePriority:1DR:30.30.30.1BDR:30.30.30.3MTU:0Deadtimerduein36secRetranstimerinterval:5Neighborisupfor00:06:27AuthenticationSequence:[0]通过这条命令，Router-ID可以查看邻居的路由器标识；通过Addr[R1]displayiprouting-tableprotocolospfRouteFlags:R-relay,D-downloadtofibPublicroutingtable:OSPFDestinations:3Routes:4OSPFroutingtablestatus:<Active>Destinations:3Routes:4Destination/MaskProtoPreCostFlagsNextHopInterface10.10.10.0/24OSPF102D30.30.30.3GigabitEthernet0/0/240.40.40.0/24OSPF102D20.20.20.2GigabitEthernet0/0/12D30.30.30.3GigabitEthernet0/0/2172.16.1.0/24OSPF102D20.20.20.2GigabitEthernet0/0/1OSPFroutingtablestatus:<Inactive>Destinations:0Routes:0通过此路由表可以观察到，“Destination/Mask”标识了目的网段的前缀及掩码，标识了开销值，“NextHop”标识了下一跳地址，“Interface”标识了此前通过Ping命令，测试各部门内部通信的情况。PC>ping172.16.1.10Ping172.16.1.10:32databytes,PressCtrl_CtobreakFrom172.16.1.10:bytes=32seq=1ttl=126time=16msFrom172.16.1.10:bytes=32seq=2ttl=126time=31msFrom172.16.1.10:bytes=32seq=3ttl=126time=31msFrom172.16.1.10:bytes=32seq=4ttl=126time=32msFrom172.16.1.10:bytes=32seq=5ttl=126time=31ms---172.16.1.10pingstatistics---5packet(s)transmitted5packet(s)received0.00%packetlossround-tripmin/avg/max=16/28/32msPC>ping10.10.10.10Ping10.10.10.10:32databytes,PressCtrl_CtobreakFrom10.10.10.10:bytes=32seq=1ttl=126time=16msFrom10.10.10.10:bytes=32seq=2ttl=126time=31msFrom10.10.10.10:bytes=32seq=3t