interface Loopback0
ip address 1.1.1.1 255.255.255.255
!
interface FastEthernet0/0
ip address 192.168.1.1 255.255.255.0
no sh
!
interface FastEthernet0/1
ip address 10.186.2.10 255.255.255.0
no sh
!
router ospf 100
router-id 1.1.1.1
network 1.1.1.1 0.0.0.0 area 0
network 10.186.2.0 0.0.0.255 area 0
network 192.168.1.0 0.0.0.255 area 0
!
R2:
!
interface Loopback0
ip address 2.2.2.2 255.255.255.0
!
interface FastEthernet0/0
ip address 192.168.1.23 255.255.255.0
no sh
!
interface FastEthernet0/1
ip address 192.168.2.40 255.255.255.0
no sh
!
router ospf 100
router-id 2.2.2.2
network 2.2.2.2 0.0.0.0 area 0
network 192.168.1.0 0.0.0.255 area 0
network 192.168.2.0 0.0.0.255 area 0
!
R3:
!
interface Loopback0
ip address 3.3.3.3 255.255.255.0
!
interface FastEthernet0/0
ip address 10.186.2.8 255.255.255.0
no sh
!
!
interface FastEthernet0/1
ip address 192.168.2.20 255.255.255.0
no sh
!
router ospf 100
router-id 3.3.3.3
network 3.3.3.3 0.0.0.0 area 0
network 10.186.2.0 0.0.0.255 area 0
network 192.168.2.0 0.0.0.255 area 0
!
interface FastEthernet0/1
ip address 192.168.2.20 255.255.255.0
通配符掩码的灵活使用
R1:
interface Loopback0
ip address 1.1.1.1 255.255.255.255
!
interface FastEthernet0/0
ip address 192.168.1.1 255.255.255.240
no sh
!
interface FastEthernet0/1
ip address 192.168.1.100 255.255.255.240
no sh
!
router ospf 100
router-id 1.1.1.1
network 1.1.1.1 0.0.0.0 area 0
network 192.168.1.1 0.0.0.15 area 0
network 192.168.1.100 0.0.0.15 area 0
!
R2:
!
interface Loopback0
ip address 2.2.2.2 255.255.255.0
!
interface FastEthernet0/0
ip address 192.168.1.10 255.255.255.240
no sh
!
interface FastEthernet0/1
ip address 192.168.1.25 255.255.255.240
no sh
!
router ospf 100
router-id 2.2.2.2
network 2.2.2.2 0.0.0.0 area 0
network 192.168.1.10 0.0.0.15 area 0
network 192.168.1.25 0.0.0.15 area 0
!
R3:
!
interface Loopback0
ip address 3.3.3.3 255.255.255.0
!
interface FastEthernet0/0
ip address 192.168.1.102 255.255.255.240
no sh
!
interface FastEthernet0/1
ip address 192.168.1.28 255.255.255.240
no sh
!
router ospf 100
router-id 3.3.3.3
network 3.3.3.3 0.0.0.0 area 0
network 192.168.1.28 0.0.0.15 area 0
network 192.168.1.102 0.0.0.15 area 0
!