R1配置：
Current configuration:
!
version 12.1
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname r1
!
!
!
!
!
!
memory-size iomem 15
ip subnet-zero
!
!
!
!
interface Ethernet1/0
ip address 10.1.10.1 255.255.255.0
!
interface Ethernet1/1
ip address 10.1.20.1 255.255.255.0
!
interface Ethernet1/2
no ip address
!
interface Ethernet1/3
ip address 192.168.0.1 255.255.255.0
shutdown
!
ip classless
no ip http server
!
!
line con 0
exec-timeout 0 0
transport input none
line aux 0
line vty 0 4
!
no scheduler allocate
end
r1#
R2配置Building configuration...
Current configuration:
!
version 12.1
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname r2
!
!
!
!
!
!
memory-size iomem 15
ip subnet-zero
!
!
!
!
interface Ethernet1/0
ip address 10.1.10.2 255.255.255.0
!
interface Ethernet1/1
ip address 10.1.20.2 255.255.255.0
!
interface Ethernet1/2
no ip address
shutdown
!
interface Ethernet1/3
no ip address
shutdown
!
ip classless
no ip http server
!
!
line con 0
exec-timeout 0 0
transport input none
line aux 0
line vty 0 4
!
no scheduler allocate
end