OSPF 直连接与虚连接配置实例 (Cisco Packer Tracer 模拟器）

OSPF直连接

【拓扑图】

【注意】

ospf netwark 后面是子网掩码的反码！！！

【路由器1】

Router>en
Router#conf
Router(config)#int loopback 0
Router(config-if)# ip  add 1.1.1.1 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#int f0/0
Router(config-if)#ip address 192.168.1.1 255.255.255.0
Router(config-if)#no shut
Router(config)#router ospf 110
Router(config-router)#network 1.1.1.1 0.0.0.255 area 1
Router(config-router)#network 192.168.1.1 0.0.0.255 area 1	
Router(config-router)#end

【路由器2】

Router>en
Router#conf
Router(config)#int f0/1
Router(config-if)#ip address 192.168.1.2 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#int f0/0
Router(config-if)#ip address 192.168.2.2 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#int loopback 0
Router(config-if)#ip address 2.2.2.2 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#router ospf 110
Router(config-router)#network 2.2.2.2 0.0.0.255 area 0
Router(config-router)#network 192.168.1.2 0.0.0.255 area 1
Router(config-router)#network 192.168.2.2 0.0.0.255 area 0

【路由器3】

Router>en
Router#conf
Router(config)#int loopback 0
Router(config-if)#ip address 3.3.3.3 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#int f0/1
Router(config-if)#ip address 192.168.2.3 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit	
Router(config)#int f0/0
Router(config-if)#ip address 192.168.3.3 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#router ospf 110
Router(config-router)#network 3.3.3.3 0.0.0.255 area 0
Router(config-router)#network 192.168.3.3 0.0.0.255 area 2
Router(config-router)#network 192.168.2.3 0.0.0.255 area 0

【路由器4】

Router>en
Router#conf
Router(config)#int loopback 0
Router(config-if)#ip address 4.4.4.4 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#int f0/1
Router(config-if)#ip address 192.168.3.4 255.255.255.0
Router(config-if)#no shut
Router(config)#router ospf 110
Router(config-router)#network 4.4.4.0 0.0.0.255 area 2
Router(config-router)#network 192.168.3.0 0.0.0.255 area 2	
Router(config-router)#end

OSPF 虚连接主干区域0 不直接连接，通过虚链接连接

【拓扑图】

【注意！】

连线网段一样但ip不一样掩码反码

【路由器1】

Router>en
Router#conf
Router(config)#int loopback 0
Router(config-if)# ip  add 1.1.1.1 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#int f0/0
Router(config-if)#ip address 192.168.1.1 255.255.255.0
Router(config-if)#no shut
Router(config)#router ospf 110
Router(config-router)#network 1.1.1.1 0.0.0.255 area 0
Router(config-router)#network 192.168.1.1 0.0.0.255 area 0	
Router(config-router)#end
Router>show ip route 
Codes: C - connected, S - static, I - IGRP, 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, E - EGP
       i - IS-IS, 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

     1.0.0.0/24 is subnetted, 1 subnets
C       1.1.1.0 is directly connected, Loopback0
     2.0.0.0/32 is subnetted, 1 subnets
O       2.2.2.2 [110/2] via 192.168.1.2, 00:11:35, FastEthernet0/0
     3.0.0.0/32 is subnetted, 1 subnets
O IA    3.3.3.3 [110/3] via 192.168.1.2, 00:04:10, FastEthernet0/0
     4.0.0.0/32 is subnetted, 1 subnets
O IA    4.4.4.4 [110/4] via 192.168.1.2, 00:02:21, FastEthernet0/0
C    192.168.1.0/24 is directly connected, FastEthernet0/0
O IA 192.168.2.0/24 [110/2] via 192.168.1.2, 00:08:55, FastEthernet0/0
O IA 192.168.3.0/24 [110/3] via 192.168.1.2, 00:03:01, FastEthernet0/0
Router>ping 4.4.4.4

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 4.4.4.4, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 0/0/1 ms

【路由器2】

Router>en
Router#conf
Router(config)#int f0/1
Router(config-if)#ip address 192.168.1.2 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#int f0/0
Router(config-if)#ip address 192.168.2.2 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#int loopback 0
Router(config-if)#ip address 2.2.2.2 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#router ospf 110
Router(config-router)#network 2.2.2.2 0.0.0.255 are
Router(config-router)#network 2.2.2.2 0.0.0.255 area 0
Router(config-router)#network 192.168.1.2 0.0.0.255 area 0
Router(config-router)#network 192.168.2.2 0.0.0.255 area 1
Router(config-router)#area 1 virtual-link 3.3.3.3   //  配置虚连接
Router#show ip route 
Codes: C - connected, S - static, I - IGRP, 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, E - EGP
       i - IS-IS, 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

     1.0.0.0/32 is subnetted, 1 subnets
O       1.1.1.1 [110/2] via 192.168.1.1, 00:11:07, FastEthernet0/1
     2.0.0.0/24 is subnetted, 1 subnets
C       2.2.2.0 is directly connected, Loopback0
     3.0.0.0/32 is subnetted, 1 subnets
O       3.3.3.3 [110/2] via 192.168.2.3, 00:03:50, FastEthernet0/0
     4.0.0.0/32 is subnetted, 1 subnets
O IA    4.4.4.4 [110/3] via 192.168.2.3, 00:01:46, FastEthernet0/0
C    192.168.1.0/24 is directly connected, FastEthernet0/1
C    192.168.2.0/24 is directly connected, FastEthernet0/0
O IA 192.168.3.0/24 [110/2] via 192.168.2.3, 00:02:31, FastEthernet0/0
Router#

【路由器3】

Router>en
Router#conf
Router(config)#int loopback 0
Router(config-if)#ip address 3.3.3.3 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#int f0/1
Router(config-if)#ip address 192.168.2.3 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit	
Router(config)#int f0/0
Router(config-if)#ip address 192.168.3.3 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#router ospf 110
Router(config-router)#network 3.3.3.3 0.0.0.255 area 1
Router(config-router)#network 192.168.3.3 0.0.0.255 area 2
Router(config-router)#network 192.168.2.3 0.0.0.255 area 1
Router(config-router)#area 1 virtual-link 2.2.2.2   // 配置虚连接
Router(config-router)#no shut
                         ^

【路由器4】

Router>en
Router#conf
Router(config)#int loopback 0
Router(config-if)#ip address 4.4.4.4 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#int f0/1
Router(config-if)#ip address 192.168.3.4 255.255.255.0
Router(config-if)#no shut
Router(config)#router ospf 110
Router(config-router)#network 4.4.4.0 0.0.0.255 area 2
Router(config-router)#network 192.168.3.0 0.0.0.255 area 2	
Router(config-router)#end
Router#show ip route 
Codes: C - connected, S - static, I - IGRP, 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, E - EGP
       i - IS-IS, 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

     1.0.0.0/32 is subnetted, 1 subnets
O IA    1.1.1.1 [110/4] via 192.168.3.3, 00:30:52, FastEthernet0/1
     2.0.0.0/32 is subnetted, 1 subnets
O IA    2.2.2.2 [110/3] via 192.168.3.3, 00:30:52, FastEthernet0/1
     4.0.0.0/24 is subnetted, 1 subnets
C       4.4.4.0 is directly connected, Loopback0
O IA 192.168.1.0/24 [110/3] via 192.168.3.3, 00:30:52, FastEthernet0/1
C    192.168.3.0/24 is directly connected, FastEthernet0/1
 
 
【测试】
Router#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 = 0/0/1 ms

Router#ping 2.2.2.2 

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2.2.2.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 0/0/1 ms

posted @ 2017-11-21 22:11 Sizaif 阅读(938) 评论(0) 编辑收藏举报

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OSPF 直连接与虚连接配置实例 (Cisco Packer Tracer 模拟器）

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