CISCO OSPF-NSSA实验
OSPF-NSSA实验
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, 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
