CISCO OSPF-NSSA实验

1232121

OSPF-NSSA实验





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,  LSA7是NSSA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