互联神州单区域配置

1、单区域OSPF配置R1:!erface Loack0ip address 1.1.1.1 255.255.255.0!erfaerial1ip address 12.1.1.1 255.255.255.0clockrate 64000!router ospf 100router-id 1.1.1.1network 1.1.1.1 0.0.0.0 area 0network 12.1.1.0 0.0.0.255 area 0R2:!erface Loack0ip address 2.2.2.2 255.255.255.0erface Ethernet0ip address 23.1.1.2 25

2、5.255.255.0!erfaerial1ip address 12.1.1.2 255.255.255.0!router ospf 100router-id 2.2.2.2log-adjacency-changesnetwork 2.2.2.0 0.0.0.255 area 0network 12.1.1.0 0.0.0.255 area 0network 23.1.1.0 0.0.0.255 area 0R3:!erface Loack0ip address 3.3.3.3 255.255.255.0!erface Ethernet0ip address 23.1.1.3 255.255

3、.255.0!router ospf 100router-id 3.3.3.3log-adjacency-changes network 3.3.3.3 0.0.0.0 area 0network 23.1.1.0 0.0.0.255 area 0R1 的路由表R1#sh ip route1.0.0.0/24 ibnetted, 1 subnetsC1.1.1.0 is directly connected, Loack02.0.0.0/32 ibnetted, 1 subnetsO2.2.2.2 110/65 via 12.1.1.2, 00:03:11, Serial13.0.0.0/32

4、 ibnetted, 1 subnetsO3.3.3.3 110/75 via 12.1.1.2, 00:03:11, Serial123.0.0.0/24 ibnetted, 1 subnetsO23.1.1.0 110/74 via 12.1.1.2, 00:03:11, Serial112.0.0.0/24 ibnetted, 1 subnetsC12.1.1.0 is directly connected, Serial1R2 的路由表R2#sh ip route1.0.0.0/32 ibnetted, 1 subnetsO1.1.1.1 110/65 via 12.1.1.1, 00

5、:03:46, Serial12.0.0.0/24 ibnetted, 1 subnetsC2.2.2.0 is directly connected, Loack03.0.0.0/32 ibnetted, 1 subnetsO3.3.3.3 110/11 via 23.1.1.3, 00:03:46, Ethernet023.0.0.0/24 ibnetted, 1 subnetsC23.1.1.0 is directly connected, Ethernet012.0.0.0/24 ibnetted, 1 subnetsC12.1.1.0 is directly connected, S

6、erial1R3 的路由表R3#sh ip rou1.0.0.0/32 ibnetted, 1 subnetsO1.1.1.1 110/75 via 23.1.1.2, 00:04:43, Ethernet02.0.0.0/32 ibnetted, 1 subnetsO2.2.2.2 110/11 via 23.1.1.2, 00:04:43, Ethernet03.0.0.0/24 ibnetted, 1 subnetsC3.3.3.0 is directly connected, Loack023.0.0.0/24 ibnetted, 1 subnetsC23.1.1.0 is direc

7、tly connected, Ethernet012.0.0.0/24 ibnetted, 1 subnetsO12.1.1.0 110/74 via 23.1.1.2, 00:04:43, Ethernet0R2#sh ipf neighborNeighbor ID 3.3.3.31.1.1.1Pri 11SeDead Time 00:00:3100:00:32Address 23.1.1.312.1.1.1erface Ethernet0Serial1FULL/BDR FULL/-R2#sh ipf databaseOSPF Router with ID (2.2.2.2) (Pros I

8、D 100)Router Link Ses (Area 0)Link ID 1.1.1.12.2.2.23.3.3.3ADV Router 1.1.1.12.2.2.23.3.3.3Age 435435353Seq#Checksum Link count0 x80000003 0 x342C0 x80000005 0 x4020 x80000004 0 x9624342Net Link Ses (Area 0)Link ID 23.1.1.2ADV Router 2.2.2.2Age 458Seq#Checksum0 x80000001 0 xE61CR2#sh ipferfaceEthern

9、et0 is up, line protocol is up ernet Address 23.1.1.2/24, Area 0Pros ID 100, Router ID 2.2.2.2, Network Type BROADCAST, Cost: 10Transmit Delay is 1 sec, Se DR, Priority 1Designated Router (ID) 2.2.2.2, erface address 23.1.1.2Backup Designated router (ID) 3.3.3.3, erface address 23.1.1.3Timerervals c

10、onfigured, o due in 00:00:07o 10, Dead 40, Wait 40, Retransmit 5Index 2/2, flood queue length 0 Next 0 x0(0)/0 x0(0)Last flood scan length is 1,um is 2um is 4 msecLast flood scis 0 msec,Neighbor Count is 1, Adjacent neighbor count is 1Adjacent with neighbor 3.3.3.3(Backup Designated Router)Suppresso

11、 for 0 neighbor(s)Loack0 is up, line protocol is up ernet Address 2.2.2.2/24, Area 0Pro Los ID 100, Router ID 2.2.2.2, Network Type LOACK, Cost: 1ackerface is treated as a stub HostSerial1 is up, line protocol is upernet Address 12.1.1.2/24, Area 0Pros ID 100, Router ID 2.2.2.2, Network Type PO_TO_P

12、O Cost: 64Transmit Delay is 1 sec, Se PO_TO_PO,Timerervals configured,o 10, Dead 40, Wait 40, Retransmit 5o due in 00:00:01Index 3/3, flood queue length 0 Next 0 x0(0)/0 x0(0)Last flood scan length is 1,um is 2Last flood scis 0 msec,um is 0 msecNeighbor Count is 1, Adjacent neighbor count is 1 Adjac

13、ent with neighbor 1.1.1.1Suppresso for 0 neighbor(s)通告网段的时候要注意的事项:Net 0.0.0.0 0.0.0.0 a 0Net 1.1.1.1 0.0.0.0 a 0Net 1.1.1.0 0.0.0.255 a 0通告所有的网段到区域 0通告一个接口(工程用)到区域 0通告一个网段(用)到区域 0Net 1.1.1.0 255.255.255.0 a 0 与上面相同,可在工程中用(好处,不用计算,会自动换算)Net 0.0.0.0 255.255.255.255 a 0 通告所有的网段到区域 0查看 ospf 的运行情况:R2#sh

14、ip protocolsRouting Protocol is ospf 100Outgoing update filter list for all ing update filter list for allRouter ID 2.2.2.2erfa erfais not set is not setNumber of areasum path: 4his router is 1. 1 normal 0 stub 0 nssaRouting for Networks: 2.2.2.0 0.0.0.255 area 012.1.1.0 0.0.0.255 area 023.1.1.0 0.0

15、.0.255 area 0 Routing Information Sour:Gateway 3.3.3.31.1.1.12.2.2.2Distance 110110110Last Update 00:24:3400:24:3400:24:34Distance: (default is 110)R2#sh ip route ospf 只显示 ospf 相关的路由条目1.0.0.0/32 ibnetted, 1 subnetsO1.1.1.1 110/65 via 12.1.1.1, 00:27:14, Serial13.0.0.0/32 ibnetted, 1 subnetsO3.3.3.3

16、110/11 via 23.1.1.3, 00:27:14, Ethernet0R2#sh i neighbor detailNeighbor 3.3.3.3,erface address 23.1.1.3he area 0 viaerface Ethernet0Neighbor priority is 1, Se is FULL, 6 se changes DR is 23.1.1.2 BDR is 23.1.1.3Options is 0 x42Dead timer due in 00:00:32Neighup for 00:30:49Index 1/1, retransmisqueue length 0, number of retransmis10 x0(0)/0 x0(0) Next 0 x0(0)/0 x0(0)Last retransmisscan length is 1,um is 1um is 0 msecLast retransmisscis 0 msec,Neighbor 1.1.1.1,erface address 12.1.1.1 erfaerial1he area 0 viaNeighbor priority is 1, Se is FULL, 6 se chang