OSPF 直連線與虛連線配置例項 (Cisco Packer Tracer 模擬器)
阿新 • • 發佈:2019-02-12
OSPF直連線
【拓撲圖】
【注意】
ospf netwark 後面是子網掩碼的反碼!!!
【路由器1】
【路由器2】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
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 虛連線 主幹區域0 不直接連線, 通過虛連結連線
【拓撲圖】
【注意!】
連線網段一樣但ip不一樣 掩碼反碼
【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 // 配置虛連線
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 // 配置虛連線
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
【測試】
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