配置单区域ospf

配置单区域[/b]ospf [/b]（[/b]ospf [/b]是典型的链路状态路由协议）[/b][/b]
Router 0 :[/b]
Router>en
Router#conf
Configuring from terminal, memory, or network [terminal]?
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int f0/0
Router(config-if)#ip add
Router(config-if)#ip address 10.1.1.1 255.255.255.0
Router(config-if)#no shut
Router(config-if)#no shutdown

%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
Router(config-if)#
Router(config-if)#int f 0/1
Router(config-if)#ip add 12.12.12.1 255.255.255.0
Router(config-if)#no shut

%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
Router(config-if)#
Router(config-if)#int loo 0

%LINK-5-CHANGED: Interface Loopback0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback0, changed state to up
Router(config-if)#ip add 1.1.1.1 255.255.255.0
Router(config-if)#no shut
Router(config-if)#
Router(config-if)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
Router(config-if)#exit
Router(config)#rout
Router(config)#router o
Router(config)#router ospf 1
Router(config-router)#net
Router(config-router)#network 10.1.1.0 0.0.0.255 are
Router(config-router)#network 10.1.1.0 0.0.0.255 area 0
Router(config-router)#network 12.12.12.0 0.0.0.255 area 0
Router(config-router)#
00:12:59: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on FastEthernet0/1 from LOADING to FULL, Loading Done
Router(config-router)#end
%SYS-5-CONFIG_I: Configured from console by console
Router#show ip rou
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
10.0.0.0/24 is subnetted, 1 subnets
C 10.1.1.0 is directly connected, FastEthernet0/0
12.0.0.0/24 is subnetted, 1 subnets
C 12.12.12.0 is directly connected, FastEthernet0/1
23.0.0.0/24 is subnetted, 1 subnets
O 23.23.23.0 [110/2] via 12.12.12.2, 00:02:35, FastEthernet0/1
O 192.168.1.0/24 [110/3] via 12.12.12.2, 00:00:47, FastEthernet0/1
Router#ping 192.168.1.100

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.1.100, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 80/91/94 ms
Router#

Router 1 [/b]：[/b][/b]
Router>en
Router#conf
Configuring from terminal, memory, or network [terminal]?
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int f 0/0
Router(config-if)#ip add 23.23.23.2 255.255.255.0
Router(config-if)#no shut

%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
Router(config-if)#int f 0/1
Router(config-if)#ip add 12.12.12.2 255.255.255.0
Router(config-if)#no shut

%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
Router(config-if)#
Router(config-if)#exit
Router(config)#int loo
Router(config)#int loopback 0

%LINK-5-CHANGED: Interface Loopback0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback0, changed state to up
Router(config-if)#ip add 2.2.2.2 255.255.255.0
Router(config-if)#no shut
Router(config-if)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
Router(config-if)#
Router(config-if)#exit
Router(config)#router ospf 1
Router(config-router)#net
Router(config-router)#network 23.23.23.0 0.0.0.255 area 0
Router(config-router)#network 12.12.12.0 0.0.0.255 area 0
Router(config-router)#
00:12:55: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on FastEthernet0/1 from LOADING to FULL, Loading Done
00:13:21: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on FastEthernet0/0 from LOADING to FULL, Loading Done
Router(config-router)#end
%SYS-5-CONFIG_I: Configured from console by console
Router#show ip rou
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

2.0.0.0/24 is subnetted, 1 subnets
C 2.2.2.0 is directly connected, Loopback0
10.0.0.0/24 is subnetted, 1 subnets
O 10.1.1.0 [110/2] via 12.12.12.1, 00:02:55, FastEthernet0/1
12.0.0.0/24 is subnetted, 1 subnets
C 12.12.12.0 is directly connected, FastEthernet0/1
23.0.0.0/24 is subnetted, 1 subnets
C 23.23.23.0 is directly connected, FastEthernet0/0
O 192.168.1.0/24 [110/2] via 23.23.23.3, 00:01:08, FastEthernet0/0
Router#ping 10.1.1.100

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.1.1.100, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 46/52/62 ms

Router#ping 192.168.1.100

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.1.100, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 62/62/63 ms

Router#

Router 2 [/b]：[/b][/b]
Router>en
Router#conf
Configuring from terminal, memory, or network [terminal]?
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int f 0/0
Router(config-if)#ip add 23.23.23.3 255.255.255.0
Router(config-if)#no shut

%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
Router(config-if)#
Router(config-if)#int f 0/1
Router(config-if)#ip add 192.168.1.3 255.255.255.0
Router(config-if)#no shut

%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
Router(config-if)#exit
Router(config)#int loo
Router(config)#int loopback 0

%LINK-5-CHANGED: Interface Loopback0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback0, changed state to up
Router(config-if)#ip add 3.3.3.3 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#router o
Router(config)#router ospf 1
Router(config-router)#net
Router(config-router)#network 23.23.23.0 0.0.0.255 area 0
Router(config-router)#network 23.23.23.0 0.0.0.25
00:13:18: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on FastEthernet0/0 from LOADING to FULL, L area 0^Z
%SYS-5-CONFIG_I: Configured from console by console
Router#conf
Router#configure
Configuring from terminal, memory, or network [terminal]?
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#rout
Router(config)#router o
Router(config)#router ospf 1
Router(config-router)#net
Router(config-router)#network 192.168.1.0 0.0.0.255 area 0
Router(config-router)#end
%SYS-5-CONFIG_I: Configured from console by console
Router#show ip rout
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

3.0.0.0/24 is subnetted, 1 subnets
C 3.3.3.0 is directly connected, Loopback0
10.0.0.0/24 is subnetted, 1 subnets
O 10.1.1.0 [110/3] via 23.23.23.2, 00:02:47, FastEthernet0/0
12.0.0.0/24 is subnetted, 1 subnets
O 12.12.12.0 [110/2] via 23.23.23.2, 00:02:47, FastEthernet0/0
23.0.0.0/24 is subnetted, 1 subnets
C 23.23.23.0 is directly connected, FastEthernet0/0
C 192.168.1.0/24 is directly connected, FastEthernet0/1
Router#ping 10.1.1.100

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.1.1.100, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 93/93/94 ms

Router#

Pc 0 [/b]上[/b]ping [/b]对方主机[/b]:[/b]
Packet Tracer PC Command Line 1.0
PC>ping 192.168.1.100

Pinging 192.168.1.100 with 32 bytes of data:

Reply from 192.168.1.100: bytes=32 time=125ms TTL=125
Reply from 192.168.1.100: bytes=32 time=109ms TTL=125
Reply from 192.168.1.100: bytes=32 time=109ms TTL=125
Reply from 192.168.1.100: bytes=32 time=78ms TTL=125

Ping statistics for 192.168.1.100:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 78ms, Maximum = 125ms, Average = 105ms

PC>tracert 192.168.1.100

Tracing route to 192.168.1.100 over a maximum of 30 hops:

1 32 ms 18 ms 31 ms 10.1.1.1
2 47 ms 62 ms 62 ms 12.12.12.2
3 93 ms 94 ms 94 ms 23.23.23.3
4 109 ms 125 ms 125 ms 192.168.1.100

Trace complete.

PC>