OSPF-NSSA实验

                            

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配置R3的f0/0 f1/0,R4,R5的物理接口为NSSA区域

引入静态路由,实现全网全通

 

R1配置

!

interface Loopback0

 ipaddress 192.168.1.1 255.255.255.0

!

interface Loopback1

 ipaddress 1.1.1.1 255.255.255.248

!

interface FastEthernet0/0

 ipaddress 10.0.0.1 255.255.255.252

 duplex auto

 speed auto

!

interface FastEthernet0/1

 noip address

 shutdown

 duplex auto

 speed auto

!

router ospf 1

 router-id 192.168.1.1

 log-adjacency-changes

 redistribute connected subnets    //静态引入E2

 network 10.0.0.0 0.0.0.3 area 1

 network 192.168.1.0 0.0.0.255 area 1

!

!

R1(config)#do sh ip os ne

 

Neighbor ID     Pri  State           Dead Time   Address         Interface

192.168.1.2       1  FULL/BDR        00:00:36    10.0.0.2        FastEthernet0/0

Gateway of last resort is not set

 

    1.0.0.0/29 is subnetted, 1 subnets

C      1.1.1.0 is directly connected, Loopback1

4.0.0.0/29 is subnetted,1 subnets

O E1    4.1.1.0 [110/51] via 10.0.0.2, 00:35:10,FastEthernet0/0

  5.0.0.0/29 is subnetted, 1 subnets

O E2    5.1.1.0 [110/20] via 10.0.0.2, 00:35:10,FastEthernet0/0  //引入

    10.0.0.0/30 is subnetted, 5 subnets

O IA    10.0.0.8[110/21] via 10.0.0.2, 00:05:53, FastEthernet0/0

O IA    10.0.0.12[110/21] via 10.0.0.2, 00:35:10, FastEthernet0/0   //OSPF内部

C      10.0.0.0 is directly connected, FastEthernet0/0

O IA    10.0.0.4[110/20] via 10.0.0.2, 00:35:12, FastEthernet0/0

O IA    10.0.0.16[110/31] via 10.0.0.2, 00:35:12, FastEthernet0/0

    192.168.1.0/24 is variably subnetted, 3 subnets, 2 masks

C      192.168.1.0/24 is directly connected, Loopback0    //直连

O IA   192.168.1.3/32 [110/21] via 10.0.0.2, 00:35:14, FastEthernet0/0

O IA   192.168.1.2/32 [110/11] via 10.0.0.2, 00:35:14, FastEthernet0/0

 

R1(config)# do ping 4.1.1.1

 

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 4.1.1.1,timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5),round-trip min/avg/max = 108/117/148 ms

R1(config)# do ping 5.1.1.1

 

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 5.1.1.1,timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5),round-trip min/avg/max = 92/112/136 ms

 

R2配置

!

interface Loopback0

 ipaddress 192.168.1.2 255.255.255.0

!

interface FastEthernet0/0

 ipaddress 10.0.0.2 255.255.255.252

 duplex auto

 speed auto

!

interface FastEthernet0/1

 ipaddress 10.0.0.5 255.255.255.252

 duplex auto

 speed auto

!

router ospf 1

 router-id 192.168.1.2

 log-adjacency-changes

 network 10.0.0.0 0.0.0.3 area 1

 network 10.0.0.4 0.0.0.3 area 0

 network 192.168.1.0 0.0.0.255 area 0

!

 

R2# sh ip os ne 

 

Neighbor ID     Pri  State           Dead Time   Address         Interface

192.168.1.3       1  FULL/BDR        00:00:39    10.0.0.6        FastEthernet0/1

192.168.1.1       1  FULL/DR         00:00:39    10.0.0.1        FastEthernet0/0

Gateway of last resort is not set

 

     1.0.0.0/29 is subnetted, 1 subnets

O E2    1.1.1.0 [110/20] via 10.0.0.1, 00:42:11,FastEthernet0/0

     4.0.0.0/29 is subnetted, 1 subnets

O E1    4.1.1.0 [110/41] via 10.0.0.6, 00:39:40,FastEthernet0/1

     5.0.0.0/29 is subnetted, 1 subnets

O E2    5.1.1.0 [110/20] via 10.0.0.6, 00:39:40,FastEthernet0/1

    10.0.0.0/30 is subnetted, 5 subnets

O IA   10.0.0.8 [110/11] via 10.0.0.6, 00:09:21, FastEthernet0/1

O IA   10.0.0.12 [110/11] via 10.0.0.6, 00:43:00, FastEthernet0/1

C      10.0.0.0 is directly connected, FastEthernet0/0

C      10.0.0.4 is directly connected, FastEthernet0/1

O IA   10.0.0.16 [110/21] via 10.0.0.6, 00:42:18, FastEthernet0/1

    192.168.1.0/24 is variably subnetted, 3 subnets, 2 masks

O      192.168.1.1/32 [110/11] via 10.0.0.1, 02:21:15, FastEthernet0/0

C      192.168.1.0/24 is directly connected, Loopback0

O IA   192.168.1.3/32 [110/11] via 10.0.0.6, 00:43:03, FastEthernet0/1

 

 

R3配置

!

interface Loopback0

 ipaddress 192.168.1.3 255.255.255.0

!

interface FastEthernet0/0

 ipaddress 10.0.0.9 255.255.255.252

 speed 100

 full-duplex

!

interface FastEthernet0/1

 ipaddress 10.0.0.6 255.255.255.252

 duplex auto

 speed auto

!

interface FastEthernet1/0

 ipaddress 10.0.0.13 255.255.255.252

 speed 100

 full-duplex

!

router ospf 1

 router-id 192.168.1.3

 log-adjacency-changes

area 2 nssadefault-information-originate    //NSSA非纯完全末梢

 network 10.0.0.4 0.0.0.3 area 0

 network 10.0.0.8 0.0.0.3 area 2

 network 10.0.0.12 0.0.0.3 area 2

 network 10.0.0.16 0.0.0.3 area 2

 network 192.168.1.0 0.0.0.255 area 2

!

!

R3(config-router)#do sh ip os ne

 

Neighbor ID     Pri  State           Dead Time   Address         Interface

192.168.1.2       1  FULL/DR         00:00:39   10.0.0.5        FastEthernet0/1

192.168.1.5       1  FULL/DR         00:00:32    10.0.0.14       FastEthernet1/0

192.168.1.4       1  FULL/DR         00:00:37    10.0.0.10       FastEthernet0/0

Gateway of last resort is not set

 

    1.0.0.0/29 is subnetted, 1 subnets

O E2   1.1.1.0 [110/20] via 10.0.0.5, 00:15:05, FastEthernet0/1

 4.0.0.0/29 is subnetted, 1 subnets

O N1    4.1.1.0 [110/31] via 10.0.0.14, 00:15:05,FastEthernet1/0

                [110/31] via 10.0.0.10,00:15:05, FastEthernet0/0

     5.0.0.0/29 is subnetted, 1 subnets

O N2    5.1.1.0 [110/20] via 10.0.0.14, 00:15:05,FastEthernet1/0

                [110/20] via 10.0.0.10,00:15:05, FastEthernet0/0//NSSA内的LSA7通告N1/N2相当于E1/E2,  LSA7NSSA内部特有的通告,进入标准区域后转变为LSA5通告

    10.0.0.0/30 is subnetted, 5 subnets

C      10.0.0.8 is directly connected, FastEthernet0/0

C      10.0.0.12 is directly connected, FastEthernet1/0

O IA   10.0.0.0 [110/20] via 10.0.0.5, 00:15:07, FastEthernet0/1

C      10.0.0.4 is directly connected, FastEthernet0/1

O      10.0.0.16 [110/11] via 10.0.0.14, 00:15:08, FastEthernet1/0

                  [110/11] via 10.0.0.10,00:15:08, FastEthernet0/0

    192.168.1.0/24 is variably subnetted, 3 subnets, 2 masks

O IA   192.168.1.1/32 [110/21] via 10.0.0.5, 00:15:08, FastEthernet0/1

C      192.168.1.0/24 is directly connected, Loopback0

O      192.168.1.2/32 [110/11] via 10.0.0.5, 00:26:05, FastEthernet0/1

 

 

R4配置

!

interface Loopback1

 ipaddress 4.1.1.1 255.255.255.248

!

interface FastEthernet0/0

 ipaddress 10.0.0.10 255.255.255.252

 speed 100

 full-duplex

!

interface FastEthernet0/1

 ipaddress 10.0.0.17 255.255.255.252

 duplex auto

 speed auto

!

router ospf 1

 router-id 192.168.1.4

 log-adjacency-changes

area 2 nssa

redistributeconnected metric-type 1 subnets

 network 10.0.0.8 0.0.0.3 area 2

 network 10.0.0.16 0.0.0.3 area 2

!

 

R4(config-if)#      do sh ip os ne

 

Neighbor ID     Pri  State           Dead Time   Address         Interface

192.168.1.5       1  FULL/DR         00:00:35    10.0.0.18       FastEthernet0/1

192.168.1.3       1  FULL/BDR        00:00:33    10.0.0.9        FastEthernet0/0

 

Gateway of last resort is 10.0.0.9 tonetwork 0.0.0.0

 

    4.0.0.0/29 is subnetted, 1 subnets

C      4.1.1.0 is directly connected, Loopback1

 5.0.0.0/29 is subnetted, 1 subnets

O N2    5.1.1.0 [110/20] via 10.0.0.18, 00:19:32,FastEthernet0/1

    10.0.0.0/30 is subnetted, 5 subnets

C      10.0.0.8 is directly connected, FastEthernet0/0

O      10.0.0.12 [110/2] via 10.0.0.9, 00:19:32, FastEthernet0/0

O IA   10.0.0.0 [110/21] via 10.0.0.9, 00:19:32, FastEthernet0/0

O IA   10.0.0.4 [110/11] via 10.0.0.9, 00:19:32, FastEthernet0/0

C      10.0.0.16 is directly connected, FastEthernet0/1

    192.168.1.0/32 is subnetted, 3 subnets

O IA   192.168.1.1 [110/22] via 10.0.0.9, 00:19:34, FastEthernet0/0

O      192.168.1.3 [110/2] via 10.0.0.9, 00:19:34, FastEthernet0/0

O IA   192.168.1.2 [110/12] via 10.0.0.9, 00:19:34, FastEthernet0/0

O*N2 0.0.0.0/0[110/1] via 10.0.0.9, 00:19:34, FastEthernet0/0

 

 

R4(config-if)#do ping 1.1.1.1

 

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 1.1.1.1,timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5),round-trip min/avg/max = 92/100/124 ms

R4(config-if)#do ping 5.1.1.1

 

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 5.1.1.1,timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5),round-trip min/avg/max = 24/40/64 ms

 

 

 

 

 

R5配置

!

interface Loopback1

 ipaddress 5.1.1.1 255.255.255.248

!

interface FastEthernet0/0

 ipaddress 10.0.0.14 255.255.255.252

 speed 100

 full-duplex

!

interface FastEthernet0/1

 ipaddress 10.0.0.18 255.255.255.252

 duplex auto

 speed auto

!

router ospf 1

 router-id 192.168.1.5

 log-adjacency-changes

 area 2 nssa

 redistribute connected subnets

 network 10.0.0.12 0.0.0.3 area 2

 network 10.0.0.16 0.0.0.3 area 2

!

 

R5(config-router)#do sh ip os ne

 

Neighbor ID     Pri  State           Dead Time   Address         Interface

192.168.1.4       1  FULL/BDR        00:00:30    10.0.0.17       FastEthernet0/1

192.168.1.3       1  FULL/BDR        00:00:34    10.0.0.13       FastEthernet0/0

 

Gateway of last resort is 10.0.0.13 tonetwork 0.0.0.0

 

     4.0.0.0/29 is subnetted, 1 subnets

O N1    4.1.1.0 [110/30] via 10.0.0.17, 00:17:13,FastEthernet0/1

     5.0.0.0/29 is subnetted, 1 subnets

C      5.1.1.0 is directly connected, Loopback1

    10.0.0.0/30 is subnetted, 5 subnets

O      10.0.0.8 [110/2] via 10.0.0.13, 00:17:13, FastEthernet0/0

C      10.0.0.12 is directly connected, FastEthernet0/0

O IA   10.0.0.0 [110/21] via 10.0.0.13,00:17:13, FastEthernet0/0

O IA   10.0.0.4 [110/11] via 10.0.0.13, 00:17:13, FastEthernet0/0

C      10.0.0.16 is directly connected, FastEthernet0/1

    192.168.1.0/32 is subnetted, 3 subnets

O IA   192.168.1.1 [110/22] via 10.0.0.13, 00:17:15, FastEthernet0/0

O      192.168.1.3 [110/2] via 10.0.0.13, 00:17:15, FastEthernet0/0

O IA   192.168.1.2 [110/12] via 10.0.0.13, 00:17:17, FastEthernet0/0

O*N20.0.0.0/0 [110/1] via 10.0.0.13, 00:17:17, FastEthernet0/0   //配置该默认的命令是:

R3(config-router)#area2 nssa default-information-originate

 

R5(config-router)# do ping 1.1.1.1

 

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 1.1.1.1,timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5),round-trip min/avg/max = 96/108/128 ms

R5(config-router)# do ping 5.1.1.1

 

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 5.1.1.1,timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5),round-trip min/avg/max = 1/3/4 ms

 

 

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