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1、OSPF域间汇总实验目的：了解并掌握域间汇总的配置实验拓扑图：基本配置R1(config)#int s2/1R1(config-if)#ip ad 12.0.0.1 255.255.255.0R1(config-if)#int lo 0R1(config-if)#ip ad 1.1.0.1 255.255.255.0R1(config-if)#int lo 1R1(config-if)#ip ad 1.1.1.1 255.255.255.0R1(config-if)#int lo 2R1(config-if)#ip ad 1.1.2.1 255.255.255.0R1(config-if)#i
2、nt lo 3R1(config-if)#ip ad 1.1.3.1 255.255.255.0R1(config-if)#int s2/1R1(config-if)#no shR1(config-if)#00:02:54: %LINK-3-UPDOWN: Interface Serial2/1, changed state to upR1(config-if)#00:02:55: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial2/1, changed state to upR1(config-if)#router ospf 10R
3、1(config-router)#net 12.0.0.0 0.0.0.255 a 0R1(config-router)#no net 12.0.0.0 0.0.0.255 a 0R1(config-router)#net 12.0.0.0 0.0.0.255 a 1R1(config-router)#net 1.1.0.0 0.0.0.255 a 1R1(config-router)#net 1.1.1.0 0.0.0.255 a 1R1(config-router)#net 1.1.2.0 0.0.0.255 a 1R1(config-router)#net 1.1.3.0 0.0.0.2
4、55 a 1R2(config)#int s2/1R2(config-if)#ip ad 12.0.0.2 255.255.255.0R2(config-if)#no shR2(config-if)#int s2/2R2(config-if)#00:02:53: %LINK-3-UPDOWN: Interface Serial2/1, changed state to upR2(config-if)#ip ad00:02:54: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial2/1, changed state to upR2(co
5、nfig-if)#ip ad 23.0.0.2 255.255.255.0R2(config-if)#no shR2(config-if)#int lo 000:03:05: %LINK-3-UPDOWN: Interface Serial2/2, changed state to upR2(config-if)#int lo 0R2(config-if)#ip ad 00:03:06: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial2/2, changed state to upR2(config-if)#ip ad 2.2.2.
6、2 255.255.255.0R2(config-if)#00:03:33: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial2/2, changed state to downR2(config-if)#00:03:43: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial2/2, changed state to upR2(config-if)#router ospf 10R2(config-router)#net 12.0.0.0 0.0.0.255 a 1R2(conf
7、ig-router)#net 2.2.2.2 0.0.0.0 a00:05:35: %OSPF-5-ADJCHG: Process 10, Nbr 1.1.3.1 on Serial2/1 from LOADING to FULL, Loading DoneR2(config-router)#net 2.2.2.2 0.0.0.0 a 0R2(config-router)#net 23.0.0.0 0.0.0.255 a 0R3(config-if)#int s2/1R3(config-if)#ip ad 23.0.0.3 255.255.255.0R3(config-if)#no shR3(
8、config-if)#00:03:41: %LINK-3-UPDOWN: Interface Serial2/1, changed state to upR3(config-if)#00:03:42: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial2/1, changed state to upR3(config-if)#int lo 0R3(config-if)#ip ad 3.3.3.3 255.255.255.0R3(config-if)#router ospf 10R3(config-router)#net 23.0.0.0
9、 0.0.0.255 a 0R3(config-router)#int s/2 % Invalid input detected at marker.R3(config)#00:07:07: %OSPF-5-ADJCHG: Process 10, Nbr 2.2.2.2 on Serial2/1 from LOADING to FULL, Loading DoneR3(config)#int s2/2R3(config-if)#ip ad 34.0.0.03 255.255.255.0R3(config-if)#no shR3(config-if)#router o00:07:23: %LIN
10、K-3-UPDOWN: Interface Serial2/2, changed state to upsoR3(config-if)#router oso00:07:24: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial2/2, changed state to upR3(config-if)#router ospf 10R3(config-router)#net 34.0.0.0 0.0.0.255 a 2R4(config)#int s2/1R4(config-if)#ip ad 34.0.0.4 255.255.255.0R
11、4(config-if)#no shR4(config-if)#int lo 0R4(config-if)#ip ad 4.4.4.4 255.255.255.0R4(config-if)#router ospf 10R4(config-router)#net 34.0.0.0 0.0.0.255 a 2R4(config-router)#net 4.4.4.4 0.0.0.0 a 2在R3、R4之间搭建一条虚链路，R3(config-router)#area 2 virR3(config-router)#area 2 virtual-link 4.4.4.4 4.4.4.4为对端router
12、-id，且在配之前双方都能ping通对端的router-id，这样虚链路就可以搭建起来。R4(config)#router ospf 10R4(config-router)#area 2 virtual-link 3.3.3.3R3#show ip ospf virtual-links Virtual Link OSPF_VL2 to router 4.4.4.4 is up Run as demand circuit DoNotAge LSA allowed. Transit area 2, via interface Serial2/2, Cost of using 64 Transmit
13、 Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:08 Adjacency State FULL (Hello suppressed) Index 2/3, retransmission queue length 1, number of retransmission 1 First 0x62C1C520(22)/0x0(0) Next 0x62C1C520(22)/0x0(0) Last r
14、etransmission scan length is 1, maximum is 1 Last retransmission scan time is 0 msec, maximum is 0 msecLink State retransmission due in 1516 msecR4#show ip ospf virtual-links Virtual Link OSPF_VL3 to router 3.3.3.3 is up Run as demand circuit DoNotAge LSA allowed. Transit area 2, via interface Seria
15、l2/1, Cost of using 64 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:03 Adjacency State FULL (Hello suppressed) Index 1/2, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0Last retransmission scan time is 0 msec, maximum is 0 msecR3#show ip routeCodes: C - connected, S - static, I - I
