实验拓扑图：

6台路由器和1台交换机和3台PC机

R1的配置

R1#

R1#conf t

Enter configuration commands, one per line.  End with CNTL/Z.

R1(config)#int e0/0

R1(config-if)#ip address 192.168.2.1 255.255.255.0

R1(config-if)#no sh

R1(config-if)#int e0/1

R1(config-if)#ip address 192.168.1.1 255.255.255.0

R1(config-if)#no sh

R1(config-if)#exit

R1(config)#router ospf 1

R1(config-router)#network 192.168.1.0 0.0.0.255 area 1

R1(config-router)#network 192.168.2.0 0.0.0.255 area 1

R1(config-router)#area 1 stub

R1(config-router)#exit

R1(config)#do sh ip route

Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route

Gateway of last resort is 192.168.2.2 to network 0.0.0.0

C    192.168.1.0/24 is directly connected, Ethernet0/1

C    192.168.2.0/24 is directly connected, Ethernet0/0

O*IA 0.0.0.0/0 [110/11] via 192.168.2.2, 00:12:13, Ethernet0/0

R1(config)#do sh ip int br

Interface                  IP-Address      OK? Method Status                Protocol

Ethernet0/0                192.168.2.1      YES manual up                    up

Ethernet0/1                192.168.1.1      YES manual up                    up

Ethernet0/2                unassigned       YES unset  administratively down down

Ethernet0/3                unassigned       YES unset  administratively down down

R1(config)#do sh route ospf

route-map ospf not found

R1(config)#do sh ip route ospf

O*IA 0.0.0.0/0 [110/11] via 192.168.2.2, 00:24:05, Ethernet0/0

R1(config)#do sh ip ospf

Routing Process "ospf 1" with ID 192.168.2.1

Start time: 00:17:56.480, Time elapsed: 00:27:19.416

Supports only single TOS(TOS0) routes

Supports opaque LSA

Supports Link-local Signaling (LLS)

Supports area transit capability

Router is not originating router-LSAs with maximum metric

Initial SPF schedule delay 5000 msecs

Minimum hold time between two consecutive SPFs 10000 msecs

Maximum wait time between two consecutive SPFs 10000 msecs

Incremental-SPF disabled

Minimum LSA interval 5 secs

Minimum LSA arrival 1000 msecs

LSA group pacing timer 240 secs

Interface flood pacing timer 33 msecs

Retransmission pacing timer 66 msecs

Number of external LSA 0. Checksum Sum 0x000000

Number of opaque AS LSA 0. Checksum Sum 0x000000

Number of DCbitless external and opaque AS LSA 0

Number of DoNotAge external and opaque AS LSA 0

Number of areas in this router is 1. 0 normal 1 stub 0 nssa

Number of areas transit capable is 0

External flood list length 0

Area 1

Number of interfaces in this area is 2

It is a stub area

Area has no authentication

SPF algorithm last executed 00:24:27.172 ago

SPF algorithm executed 4 times

Area ranges are

Number of LSA 4. Checksum Sum 0x02F8C7

Number of opaque link LSA 0. Checksum Sum 0x000000

Number of DCbitless LSA 0

Number of indication LSA 0

Number of DoNotAge LSA 0

Flood list length 0

R1(config)#

R2的配置

R2#

R2#conf t

Enter configuration commands, one per line.  End with CNTL/Z.

R2(config)#int e0/0

R2(config-if)#ip address 192.168.2.2 255.255.255.0

R2(config-if)#no sh

R2(config-if)#int e0/1

R2(config-if)#ip address 192.168.3.1 255.255.255.0

R2(config-if)#no sh

R2(config-if)#exit

R2(config)#router ospf 1

R2(config-router)#network 192.168.2.0 0.0.0.255 area 1

R2(config-router)#network 192.168.3.0 0.0.0.255 area 0

R2(config-router)#area 1 stub no-summary

R2(config-router)#exit

R2(config)#do sh ip route

Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

O E2 192.168.8.0/24 [110/20] via 192.168.3.2, 00:16:30, Ethernet0/1

O IA 192.168.4.0/24 [110/20] via 192.168.3.2, 00:25:41, Ethernet0/1

O IA 192.168.5.0/24 [110/30] via 192.168.3.2, 00:23:03, Ethernet0/1

O IA 192.168.6.0/24 [110/40] via 192.168.3.2, 00:17:20, Ethernet0/1

O E2 192.168.7.0/24 [110/20] via 192.168.3.2, 00:17:15, Ethernet0/1

O    192.168.1.0/24 [110/20] via 192.168.2.1, 00:27:48, Ethernet0/0

C    192.168.2.0/24 is directly connected, Ethernet0/0

C    192.168.3.0/24 is directly connected, Ethernet0/1

R2(config)#do sh ip int br

Interface                  IP-Address      OK? Method Status                Protocol

Ethernet0/0                192.168.2.2       YES manual up                    up

Ethernet0/1                192.168.3.1       YES manual up                    up

Ethernet0/2                unassigned        YES unset  administratively down down

Ethernet0/3                unassigned        YES unset  administratively down down

R2(config)#do sh route os

route-map os not found

R2(config)#do sh route ospf

route-map ospf not found

R2(config)#do sh ip ospf

Routing Process "ospf 1" with ID 192.168.3.1

Start time: 00:19:34.552, Time elapsed: 00:52:54.572

Supports only single TOS(TOS0) routes

Supports opaque LSA

Supports Link-local Signaling (LLS)

Supports area transit capability

It is an area border router

Router is not originating router-LSAs with maximum metric

Initial SPF schedule delay 5000 msecs

Minimum hold time between two consecutive SPFs 10000 msecs

Maximum wait time between two consecutive SPFs 10000 msecs

Incremental-SPF disabled

Minimum LSA interval 5 secs

Minimum LSA arrival 1000 msecs

LSA group pacing timer 240 secs

Interface flood pacing timer 33 msecs

Retransmission pacing timer 66 msecs

Number of external LSA 2. Checksum Sum 0x00653C

Number of opaque AS LSA 0. Checksum Sum 0x000000

Number of DCbitless external and opaque AS LSA 0

Number of DoNotAge external and opaque AS LSA 0

Number of areas in this router is 2. 1 normal 1 stub 0 nssa

Number of areas transit capable is 0

External flood list length 0

Area BACKBONE(0)

Number of interfaces in this area is 1

Area has no authentication

SPF algorithm last executed 00:49:34.768 ago

SPF algorithm executed 7 times

Area ranges are

Number of LSA 8. Checksum Sum 0x050BD9

Number of opaque link LSA 0. Checksum Sum 0x000000

Number of DCbitless LSA 0

Number of indication LSA 0

Number of DoNotAge LSA 0

Flood list length 0

Area 1

Number of interfaces in this area is 1

It is a stub area, no summary LSA in this area

generates stub default route with cost 1

Area has no authentication

SPF algorithm last executed 00:51:41.580 ago

SPF algorithm executed 5 times

Area ranges are

Number of LSA 4. Checksum Sum 0x02F0CB

Number of opaque link LSA 0. Checksum Sum 0x000000

Number of DCbitless LSA 0

Number of indication LSA 0

Number of DoNotAge LSA 0

Flood list length 0

R2(config)#

R3的配置

R3#

R3#conf t

Enter configuration commands, one per line.  End with CNTL/Z.

R3(config)#int e0/0

R3(config-if)#ip address 192.168.3.2 255.255.255.0

R3(config-if)#no sh

R3(config-if)#int e0/1

R3(config-if)#ip address 192.168.4.1 255.255.255.0

R3(config-if)#no sh

R3(config-if)#exit

R3(config)#router ospf 1

R3(config-router)#network 192.168.3.0 0.0.0.255 area 0

R3(config-router)#network 192.168.4.0 0.0.0.255 area 2

R3(config-router)#area 2 nssa

R3(config-router)#exit

R3(config)#do sh ip int br

Interface                  IP-Address      OK? Method Status                Protocol

Ethernet0/0                192.168.3.2       YES manual up                    up

Ethernet0/1                192.168.4.1       YES manual up                    up

Ethernet0/2                unassigned        YES unset  administratively down down

Ethernet0/3                unassigned        YES unset  administratively down down

R3(config)#do sh ip route

Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

O N2 192.168.8.0/24 [110/20] via 192.168.4.2, 00:43:11, Ethernet0/1

C    192.168.4.0/24 is directly connected, Ethernet0/1

O    192.168.5.0/24 [110/20] via 192.168.4.2, 00:44:02, Ethernet0/1

O    192.168.6.0/24 [110/30] via 192.168.4.2, 00:44:02, Ethernet0/1

O N2 192.168.7.0/24 [110/20] via 192.168.4.2, 00:44:02, Ethernet0/1

O IA 192.168.1.0/24 [110/30] via 192.168.3.1, 00:44:02, Ethernet0/0

O IA 192.168.2.0/24 [110/20] via 192.168.3.1, 00:44:02, Ethernet0/0

C    192.168.3.0/24 is directly connected, Ethernet0/0

R3(config)#exit

R3#sh ip ospf

Routing Process "ospf 1" with ID 192.168.4.1

Start time: 00:21:31.032, Time elapsed: 00:54:21.640

Supports only single TOS(TOS0) routes

Supports opaque LSA

Supports Link-local Signaling (LLS)

Supports area transit capability

It is an area border and autonomous system boundary router

Redistributing External Routes from,

Router is not originating router-LSAs with maximum metric

Initial SPF schedule delay 5000 msecs

Minimum hold time between two consecutive SPFs 10000 msecs

Maximum wait time between two consecutive SPFs 10000 msecs

Incremental-SPF disabled

Minimum LSA interval 5 secs

Minimum LSA arrival 1000 msecs

LSA group pacing timer 240 secs

Interface flood pacing timer 33 msecs

Retransmission pacing timer 66 msecs

Number of external LSA 2. Checksum Sum 0x00653C

Number of opaque AS LSA 0. Checksum Sum 0x000000

Number of DCbitless external and opaque AS LSA 0

Number of DoNotAge external and opaque AS LSA 0

Number of areas in this router is 2. 1 normal 0 stub 1 nssa

Number of areas transit capable is 0

External flood list length 0

Area BACKBONE(0)

Number of interfaces in this area is 1

Area has no authentication

SPF algorithm last executed 00:52:58.224 ago

SPF algorithm executed 6 times

Area ranges are

Number of LSA 8. Checksum Sum 0x050BD9

Number of opaque link LSA 0. Checksum Sum 0x000000

Number of DCbitless LSA 0

Number of indication LSA 0

Number of DoNotAge LSA 0

Flood list length 0

Area 2

Number of interfaces in this area is 1

It is a NSSA area

Perform type-7/type-5 LSA translation

Area has no authentication

SPF algorithm last executed 00:44:38.796 ago

SPF algorithm executed 8 times

Area ranges are

Number of LSA 10. Checksum Sum 0x04C12C

Number of opaque link LSA 0. Checksum Sum 0x000000

Number of DCbitless LSA 0

Number of indication LSA 0

Number of DoNotAge LSA 0

Flood list length 0

R3#sh ip route ospf

O N2  192.168.8.0/24 [110/20] via 192.168.4.2, 00:45:04, Ethernet0/1

O    192.168.5.0/24 [110/20] via 192.168.4.2, 00:45:54, Ethernet0/1

O    192.168.6.0/24 [110/30] via 192.168.4.2, 00:45:54, Ethernet0/1

O N2  192.168.7.0/24 [110/20] via 192.168.4.2, 00:45:54, Ethernet0/1

O IA  192.168.1.0/24 [110/30] via 192.168.3.1, 00:45:54, Ethernet0/0

O IA  192.168.2.0/24 [110/20] via 192.168.3.1, 00:45:54, Ethernet0/0

R3#

R4的配置

R4#

R4#conf t

Enter configuration commands, one per line.  End with CNTL/Z.

R4(config)#int e0/0

R4(config-if)#ip address 192.168.4.2 255.255.255.0

R4(config-if)#no sh

R4(config-if)#int e0/1

R4(config-if)#ip address 192.168.5.1 255.255.255.0

R4(config-if)#no sh

R4(config-if)#exit

R4(config)#router ospf 1

R4(config-router)#network 192.168.4.0 0.0.0.255 area 2

R4(config-router)#network 192.168.5.0 0.0.0.255 area 2

R4(config-router)#area 2 nssa

R4(config-router)#exit

R4(config)#int e0/1

R4(config-if)#ip address 192.168.7.1 255.255.255.0 secondary

R4(config-if)#exit

R4(config)#router rip

R4(config-router)#network 192.168.7.0

R4(config-router)#version 2

R4(config-router)#no auto-summary

R4(config-router)#exit

R4(config)#router ospf 1

R4(config-router)#redistribute rip subnets

R4(config-router)#router rip

R4(config-router)#redistribute ospf 1 metric 1

R4(config-router)#exit

R4#sh ip route

Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

R    192.168.8.0/24 [120/1] via 192.168.7.2, 00:00:12, Ethernet0/1

C    192.168.4.0/24 is directly connected, Ethernet0/0

C    192.168.5.0/24 is directly connected, Ethernet0/1

O    192.168.6.0/24 [110/20] via 192.168.5.2, 00:50:59, Ethernet0/1

C    192.168.7.0/24 is directly connected, Ethernet0/1

O IA  192.168.1.0/24 [110/40] via 192.168.4.1, 00:50:59, Ethernet0/0

O IA  192.168.2.0/24 [110/30] via 192.168.4.1, 00:50:59, Ethernet0/0

O IA  192.168.3.0/24 [110/20] via 192.168.4.1, 00:50:59, Ethernet0/0

R4#sh ip int br

Interface                  IP-Address      OK? Method Status                Protocol

Ethernet0/0                192.168.4.2      YES manual up                    up

Ethernet0/1                192.168.5.1      YES manual up                    up

Ethernet0/2                unassigned       YES unset  administratively down down

Ethernet0/3                unassigned       YES unset  administratively down down

R4#sh ip ospf

Routing Process "ospf 1" with ID 192.168.5.1

Start time: 00:24:13.648, Time elapsed: 00:58:09.592

Supports only single TOS(TOS0) routes

Supports opaque LSA

Supports Link-local Signaling (LLS)

Supports area transit capability

It is an autonomous system boundary router

Redistributing External Routes from,

rip, includes subnets in redistribution

Router is not originating router-LSAs with maximum metric

Initial SPF schedule delay 5000 msecs

Minimum hold time between two consecutive SPFs 10000 msecs

Maximum wait time between two consecutive SPFs 10000 msecs

Incremental-SPF disabled

Minimum LSA interval 5 secs

Minimum LSA arrival 1000 msecs

LSA group pacing timer 240 secs

Interface flood pacing timer 33 msecs

Retransmission pacing timer 66 msecs

Number of external LSA 0. Checksum Sum 0x000000

Number of opaque AS LSA 0. Checksum Sum 0x000000

Number of DCbitless external and opaque AS LSA 0

Number of DoNotAge external and opaque AS LSA 0

Number of areas in this router is 1. 0 normal 0 stub 1 nssa

Number of areas transit capable is 0

External flood list length 0

Area 2

Number of interfaces in this area is 2

It is a NSSA area

Area has no authentication

SPF algorithm last executed 00:51:20.440 ago

SPF algorithm executed 6 times

Area ranges are

Number of LSA 10. Checksum Sum 0x04C12C

Number of opaque link LSA 0. Checksum Sum 0x000000

Number of DCbitless LSA 0

Number of indication LSA 0

Number of DoNotAge LSA 0

Flood list length 0

R4#sh ip route ospf

O    192.168.6.0/24 [110/20] via 192.168.5.2, 00:51:27, Ethernet0/1

O IA 192.168.1.0/24 [110/40] via 192.168.4.1, 00:51:27, Ethernet0/0

O IA 192.168.2.0/24 [110/30] via 192.168.4.1, 00:51:27, Ethernet0/0

O IA 192.168.3.0/24 [110/20] via 192.168.4.1, 00:51:27, Ethernet0/0

R4#

R5的配置

R5#

R5#conf t

Enter configuration commands, one per line.  End with CNTL/Z.

R5(config)#int e0/0

R5(config-if)#ip address 192.168.5.2 255.255.255.0

R5(config-if)#no sh

R5(config-if)#int e0/1

R5(config-if)#ip address 192.168.6.1 255.255.255.0

R5(config-if)#no sh

R5(config-if)#exit

R5(config)#router ospf 1

R5(config-router)#network 192.168.5.0 0.0.0.255 area 2

R5(config-router)#network 192.168.6.0 0.0.0.255 area 2

R5(config-router)#area 2 nssa

R5(config-router)#exit

R5#sh ip int br

Interface                  IP-Address      OK? Method Status                Protocol

Ethernet0/0                192.168.5.2       YES manual up                    up

Ethernet0/1                192.168.6.1       YES manual up                    up

Ethernet0/2                unassigned        YES unset  administratively down down

Ethernet0/3                unassigned        YES unset  administratively down down

R5#sh ip route

Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

O N2 192.168.8.0/24 [110/20] via 192.168.5.1, 00:54:20, Ethernet0/0

O    192.168.4.0/24 [110/20] via 192.168.5.1, 00:55:20, Ethernet0/0

C    192.168.5.0/24 is directly connected, Ethernet0/0

C    192.168.6.0/24 is directly connected, Ethernet0/1

O N2 192.168.7.0/24 [110/20] via 192.168.5.1, 00:55:20, Ethernet0/0

O IA 192.168.1.0/24 [110/50] via 192.168.5.1, 00:55:20, Ethernet0/0

O IA 192.168.2.0/24 [110/40] via 192.168.5.1, 00:55:20, Ethernet0/0

O IA 192.168.3.0/24 [110/30] via 192.168.5.1, 00:55:20, Ethernet0/0

R5#sh ip route ospf

O N2  192.168.8.0/24 [110/20] via 192.168.5.1, 00:54:27, Ethernet0/0

O    192.168.4.0/24 [110/20] via 192.168.5.1, 00:55:27, Ethernet0/0

O N2  192.168.7.0/24 [110/20] via 192.168.5.1, 00:55:27, Ethernet0/0

O IA  192.168.1.0/24 [110/50] via 192.168.5.1, 00:55:27, Ethernet0/0

O IA  192.168.2.0/24 [110/40] via 192.168.5.1, 00:55:27, Ethernet0/0

O IA  192.168.3.0/24 [110/30] via 192.168.5.1, 00:55:27, Ethernet0/0

R5#

R6的配置

R6#

R6#conf t

Enter configuration commands, one per line.  End with CNTL/Z.

R6(config)#int e0/0

R6(config-if)#ip address 192.168.7.2 255.255.255.0

R6(config-if)#no sh

R6(config-if)#int e0/1

R6(config-if)#ip address 192.168.8.1 255.255.255.0

R6(config-if)#no sh

R6(config-if)#exit

R6(config)#router rip

R6(config-router)#network 192.168.7.0

R6(config-router)#network 192.168.8.0

R6(config-router)#version 2

R6(config-router)#no auto-summary

R6(config-router)#redistribute ospf 1 metric 1

R6(config-router)#exit

R6#sh ip route

Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

C    192.168.8.0/24 is directly connected, Ethernet0/1

R    192.168.4.0/24 [120/1] via 192.168.7.1, 00:00:01, Ethernet0/0

R    192.168.5.0/24 [120/1] via 192.168.7.1, 00:00:01, Ethernet0/0

R    192.168.6.0/24 [120/1] via 192.168.7.1, 00:00:01, Ethernet0/0

C    192.168.7.0/24 is directly connected, Ethernet0/0

R    192.168.1.0/24 [120/1] via 192.168.7.1, 00:00:01, Ethernet0/0

R    192.168.2.0/24 [120/1] via 192.168.7.1, 00:00:01, Ethernet0/0

R    192.168.3.0/24 [120/1] via 192.168.7.1, 00:00:01, Ethernet0/0

R6#sh ip int br

Interface                  IP-Address      OK? Method Status                Protocol

Ethernet0/0                192.168.7.2       YES manual up                    up

Ethernet0/1                192.168.8.1       YES manual up                    up

Ethernet0/2                unassigned        YES unset  administratively down down

Ethernet0/3                unassigned        YES unset  administratively down down

R6#

SW1的配置

SW1#conf t

SW1(config)#int range f1/0 -2

SW1(config-if)#switchport mode trunk

SW1(config-if)#no sh

SW1#

转载于:https://blog.51cto.com/guochenyong/1979397

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