一 组网说明R1、R2、R3运行OSPF1R1上配置多个loopback地址模拟业务地址包括loopback1-loopback5地址R1上通过引入路由将路由引入R1进而同步R2和R3路由器二 设备配置2.1 R1设备配置hostname R1!interface GigabitEthernet 0/0ip address 10.1.12.1 255.255.255.252!interface Loopback 1description YW1ip address 192.168.1.1 255.255.255.255!interface Loopback 2description YW2ip address 192.168.1.2 255.255.255.255!interface Loopback 3description YW3ip address 192.168.1.3 255.255.255.255!interface Loopback 4description YW4ip address 192.168.1.4 255.255.255.255!interface Loopback 5description YW5ip address 192.168.1.5 255.255.255.255!router ospf 1graceful-restartredistribute connected subnetsnetwork 10.1.12.1 0.0.0.0 area 1!2.2 R2设备配置hostname R2!interface GigabitEthernet 0/0ip address 10.1.12.2 255.255.255.252!interface GigabitEthernet 0/1ip address 10.1.23.2 255.255.255.0!router ospf 1graceful-restartnetwork 10.1.12.2 0.0.0.0 area 1network 10.1.23.2 0.0.0.0 area 0!2.3 R3设备配置hostname R3!interface GigabitEthernet 0/0ip address 10.1.23.3 255.255.255.0!router ospf 1graceful-restartnetwork 10.1.23.3 0.0.0.0 area 0!三 设备状态查看3.1 R1设备状态查看R1#sh ll nCapability codes:(R) Router, (B) Bridge, (T) Telephone, (C) DOCSIS Cable Device(W) WLAN Access Point, (P) Repeater, (S) Station, (O) OtherSystem Name Local Intf Port ID Capability Aging-timeR2 Gi0/0 Gi0/0 B, R 1minutes 55secondsTotal entries displayed: 1R1#R1#sh ip ospf neighborOSPF process 1, 1 Neighbors, 1 is Full:Neighbor ID Pri State BFD State Dead Time Address Interface10.1.23.2 1 Full/BDR - 00:00:37 10.1.12.2 GigabitEthernet 0/0R1#R1#sh ip routeCodes: C - Connected, L - Local, S - StaticR - RIP, O - OSPF, B - BGP, I - IS-IS, V - Overflow routeN1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2E1 - OSPF external type 1, E2 - OSPF external type 2SU - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2IA - Inter area, EV - BGP EVPN, A - Arp to hostLA - Local aggregate route* - candidate defaultGateway of last resort is no setC 10.1.12.0/30 is directly connected, GigabitEthernet 0/0C 10.1.12.1/32 is local host.O IA 10.1.23.0/24 [110/2] via 10.1.12.2, 00:05:23, GigabitEthernet 0/0C 192.168.1.1/32 is local host.C 192.168.1.2/32 is local host.C 192.168.1.3/32 is local host.C 192.168.1.4/32 is local host.C 192.168.1.5/32 is local host.R1#3.2 R2设备状态查看R2#sh ll nCapability codes:(R) Router, (B) Bridge, (T) Telephone, (C) DOCSIS Cable Device(W) WLAN Access Point, (P) Repeater, (S) Station, (O) OtherSystem Name Local Intf Port ID Capability Aging-timeR1 Gi0/0 Gi0/0 B, R 1minutes 48secondsR3 Gi0/1 Gi0/0 B, R 1minutes 32secondsTotal entries displayed: 2R2#R2#sh ip ospf neiOSPF process 1, 2 Neighbors, 2 is Full:Neighbor ID Pri State BFD State Dead Time Address Interface192.168.1.5 1 Full/DR - 00:00:39 10.1.12.1 GigabitEthernet 0/010.1.23.3 1 Full/BDR - 00:00:31 10.1.23.3 GigabitEthernet 0/1R2#R2#show ip routeCodes: C - Connected, L - Local, S - StaticR - RIP, O - OSPF, B - BGP, I - IS-IS, V - Overflow routeN1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2E1 - OSPF external type 1, E2 - OSPF external type 2SU - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2IA - Inter area, EV - BGP EVPN, A - Arp to hostLA - Local aggregate route* - candidate defaultGateway of last resort is no setC 10.1.12.0/30 is directly connected, GigabitEthernet 0/0C 10.1.12.2/32 is local host.C 10.1.23.0/24 is directly connected, GigabitEthernet 0/1C 10.1.23.2/32 is local host.O E2 192.168.1.1/32 [110/20] via 10.1.12.1, 00:05:37, GigabitEthernet 0/0 查看到外部路由O E2 192.168.1.2/32 [110/20] via 10.1.12.1, 00:05:37, GigabitEthernet 0/0O E2 192.168.1.3/32 [110/20] via 10.1.12.1, 00:05:37, GigabitEthernet 0/0O E2 192.168.1.4/32 [110/20] via 10.1.12.1, 00:05:37, GigabitEthernet 0/0O E2 192.168.1.5/32 [110/20] via 10.1.12.1, 00:05:37, GigabitEthernet 0/0R2#3.3 R3设备状态查看R3#sh ll nCapability codes:(R) Router, (B) Bridge, (T) Telephone, (C) DOCSIS Cable Device(W) WLAN Access Point, (P) Repeater, (S) Station, (O) OtherSystem Name Local Intf Port ID Capability Aging-timeR2 Gi0/0 Gi0/1 B, R 1minutes 55secondsTotal entries displayed: 1R3#R3#sh ip ospf neiOSPF process 1, 1 Neighbors, 1 is Full:Neighbor ID Pri State BFD State Dead Time Address Interface10.1.23.2 1 Full/DR - 00:00:33 10.1.23.2 GigabitEthernet 0/0R3#R3#sh ip routeCodes: C - Connected, L - Local, S - StaticR - RIP, O - OSPF, B - BGP, I - IS-IS, V - Overflow routeN1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2E1 - OSPF external type 1, E2 - OSPF external type 2SU - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2IA - Inter area, EV - BGP EVPN, A - Arp to hostLA - Local aggregate route* - candidate defaultGateway of last resort is no setO IA 10.1.12.0/30 [110/2] via 10.1.23.2, 00:06:35, GigabitEthernet 0/0C 10.1.23.0/24 is directly connected, GigabitEthernet 0/0C 10.1.23.3/32 is local host.O E2 192.168.1.1/32 [110/20] via 10.1.23.2, 00:06:17, GigabitEthernet 0/0 查看到外部路由O E2 192.168.1.2/32 [110/20] via 10.1.23.2, 00:06:17, GigabitEthernet 0/0O E2 192.168.1.3/32 [110/20] via 10.1.23.2, 00:06:17, GigabitEthernet 0/0O E2 192.168.1.4/32 [110/20] via 10.1.23.2, 00:06:17, GigabitEthernet 0/0O E2 192.168.1.5/32 [110/20] via 10.1.23.2, 00:06:17, GigabitEthernet 0/0四 R3访问业务测试R3#ping 192.168.1.1Sending 5, 100-byte ICMP Echoes to 192.168.1.1, timeout is 2 seconds: press CtrlC to break !!!!!Success rate is 100 percent (5/5), round-trip min/avg/max 1/1/2 ms.R3#R3#R3#ping 192.168.1.2Sending 5, 100-byte ICMP Echoes to 192.168.1.2, timeout is 2 seconds: press CtrlC to break !!!!!Success rate is 100 percent (5/5), round-trip min/avg/max 1/3/6 ms.R3#R3#traceroute 192.168.1.1 press CtrlC to break Tracing the route to 192.168.1.11 10.1.23.2 1 msec 1 msec 1 msec2 10.1.23.2 1 msec 1 msec 1 msec3 192.168.1.1 3 msec 1 msec 1 msecR3#R3#traceroute 192.168.1.2 press CtrlC to break Tracing the route to 192.168.1.21 10.1.23.2 1 msec 1 msec 1 msec2 10.1.23.2 1 msec192.168.1.2 1 msec 1 msecR3#
一 组网说明R1、R2、R3运行OSPF1R1上配置多个loopback地址模拟业务地址包括loopback1-loopback5地址R1上通过引入路由将路由引入R1进而同步R2和R3路由器二 设备配置2.1 R1设备配置hostname R1!interface GigabitEthernet 0/0ip address 10.1.12.1 255.255.255.252!interface Loopback 1description YW1ip address 192.168.1.1 255.255.255.255!interface Loopback 2description YW2ip address 192.168.1.2 255.255.255.255!interface Loopback 3description YW3ip address 192.168.1.3 255.255.255.255!interface Loopback 4description YW4ip address 192.168.1.4 255.255.255.255!interface Loopback 5description YW5ip address 192.168.1.5 255.255.255.255!router ospf 1graceful-restartredistribute connected subnetsnetwork 10.1.12.1 0.0.0.0 area 1!2.2 R2设备配置hostname R2!interface GigabitEthernet 0/0ip address 10.1.12.2 255.255.255.252!interface GigabitEthernet 0/1ip address 10.1.23.2 255.255.255.0!router ospf 1graceful-restartnetwork 10.1.12.2 0.0.0.0 area 1network 10.1.23.2 0.0.0.0 area 0!2.3 R3设备配置hostname R3!interface GigabitEthernet 0/0ip address 10.1.23.3 255.255.255.0!router ospf 1graceful-restartnetwork 10.1.23.3 0.0.0.0 area 0!三 设备状态查看3.1 R1设备状态查看R1#sh ll nCapability codes:(R) Router, (B) Bridge, (T) Telephone, (C) DOCSIS Cable Device(W) WLAN Access Point, (P) Repeater, (S) Station, (O) OtherSystem Name Local Intf Port ID Capability Aging-timeR2 Gi0/0 Gi0/0 B, R 1minutes 55secondsTotal entries displayed: 1R1#R1#sh ip ospf neighborOSPF process 1, 1 Neighbors, 1 is Full:Neighbor ID Pri State BFD State Dead Time Address Interface10.1.23.2 1 Full/BDR - 00:00:37 10.1.12.2 GigabitEthernet 0/0R1#R1#sh ip routeCodes: C - Connected, L - Local, S - StaticR - RIP, O - OSPF, B - BGP, I - IS-IS, V - Overflow routeN1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2E1 - OSPF external type 1, E2 - OSPF external type 2SU - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2IA - Inter area, EV - BGP EVPN, A - Arp to hostLA - Local aggregate route* - candidate defaultGateway of last resort is no setC 10.1.12.0/30 is directly connected, GigabitEthernet 0/0C 10.1.12.1/32 is local host.O IA 10.1.23.0/24 [110/2] via 10.1.12.2, 00:05:23, GigabitEthernet 0/0C 192.168.1.1/32 is local host.C 192.168.1.2/32 is local host.C 192.168.1.3/32 is local host.C 192.168.1.4/32 is local host.C 192.168.1.5/32 is local host.R1#3.2 R2设备状态查看R2#sh ll nCapability codes:(R) Router, (B) Bridge, (T) Telephone, (C) DOCSIS Cable Device(W) WLAN Access Point, (P) Repeater, (S) Station, (O) OtherSystem Name Local Intf Port ID Capability Aging-timeR1 Gi0/0 Gi0/0 B, R 1minutes 48secondsR3 Gi0/1 Gi0/0 B, R 1minutes 32secondsTotal entries displayed: 2R2#R2#sh ip ospf neiOSPF process 1, 2 Neighbors, 2 is Full:Neighbor ID Pri State BFD State Dead Time Address Interface192.168.1.5 1 Full/DR - 00:00:39 10.1.12.1 GigabitEthernet 0/010.1.23.3 1 Full/BDR - 00:00:31 10.1.23.3 GigabitEthernet 0/1R2#R2#show ip routeCodes: C - Connected, L - Local, S - StaticR - RIP, O - OSPF, B - BGP, I - IS-IS, V - Overflow routeN1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2E1 - OSPF external type 1, E2 - OSPF external type 2SU - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2IA - Inter area, EV - BGP EVPN, A - Arp to hostLA - Local aggregate route* - candidate defaultGateway of last resort is no setC 10.1.12.0/30 is directly connected, GigabitEthernet 0/0C 10.1.12.2/32 is local host.C 10.1.23.0/24 is directly connected, GigabitEthernet 0/1C 10.1.23.2/32 is local host.O E2 192.168.1.1/32 [110/20] via 10.1.12.1, 00:05:37, GigabitEthernet 0/0 查看到外部路由O E2 192.168.1.2/32 [110/20] via 10.1.12.1, 00:05:37, GigabitEthernet 0/0O E2 192.168.1.3/32 [110/20] via 10.1.12.1, 00:05:37, GigabitEthernet 0/0O E2 192.168.1.4/32 [110/20] via 10.1.12.1, 00:05:37, GigabitEthernet 0/0O E2 192.168.1.5/32 [110/20] via 10.1.12.1, 00:05:37, GigabitEthernet 0/0R2#3.3 R3设备状态查看R3#sh ll nCapability codes:(R) Router, (B) Bridge, (T) Telephone, (C) DOCSIS Cable Device(W) WLAN Access Point, (P) Repeater, (S) Station, (O) OtherSystem Name Local Intf Port ID Capability Aging-timeR2 Gi0/0 Gi0/1 B, R 1minutes 55secondsTotal entries displayed: 1R3#R3#sh ip ospf neiOSPF process 1, 1 Neighbors, 1 is Full:Neighbor ID Pri State BFD State Dead Time Address Interface10.1.23.2 1 Full/DR - 00:00:33 10.1.23.2 GigabitEthernet 0/0R3#R3#sh ip routeCodes: C - Connected, L - Local, S - StaticR - RIP, O - OSPF, B - BGP, I - IS-IS, V - Overflow routeN1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2E1 - OSPF external type 1, E2 - OSPF external type 2SU - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2IA - Inter area, EV - BGP EVPN, A - Arp to hostLA - Local aggregate route* - candidate defaultGateway of last resort is no setO IA 10.1.12.0/30 [110/2] via 10.1.23.2, 00:06:35, GigabitEthernet 0/0C 10.1.23.0/24 is directly connected, GigabitEthernet 0/0C 10.1.23.3/32 is local host.O E2 192.168.1.1/32 [110/20] via 10.1.23.2, 00:06:17, GigabitEthernet 0/0 查看到外部路由O E2 192.168.1.2/32 [110/20] via 10.1.23.2, 00:06:17, GigabitEthernet 0/0O E2 192.168.1.3/32 [110/20] via 10.1.23.2, 00:06:17, GigabitEthernet 0/0O E2 192.168.1.4/32 [110/20] via 10.1.23.2, 00:06:17, GigabitEthernet 0/0O E2 192.168.1.5/32 [110/20] via 10.1.23.2, 00:06:17, GigabitEthernet 0/0四 R3访问业务测试R3#ping 192.168.1.1Sending 5, 100-byte ICMP Echoes to 192.168.1.1, timeout is 2 seconds: press CtrlC to break !!!!!Success rate is 100 percent (5/5), round-trip min/avg/max 1/1/2 ms.R3#R3#R3#ping 192.168.1.2Sending 5, 100-byte ICMP Echoes to 192.168.1.2, timeout is 2 seconds: press CtrlC to break !!!!!Success rate is 100 percent (5/5), round-trip min/avg/max 1/3/6 ms.R3#R3#traceroute 192.168.1.1 press CtrlC to break Tracing the route to 192.168.1.11 10.1.23.2 1 msec 1 msec 1 msec2 10.1.23.2 1 msec 1 msec 1 msec3 192.168.1.1 3 msec 1 msec 1 msecR3#R3#traceroute 192.168.1.2 press CtrlC to break Tracing the route to 192.168.1.21 10.1.23.2 1 msec 1 msec 1 msec2 10.1.23.2 1 msec192.168.1.2 1 msec 1 msecR3#
