Router Configuration Script:
hostname Router
!
!
ip dhcp excluded-address 172.25.21.254
!
ip dhcp pool LAN_172
network 172.25.21.0 255.255.255.0
default-router 172.25.21.1
dns-server 172.25.20.2
!
!
spanning-tree mode pvst
!
!
interface FastEthernet0/0
ip address 172.25.21.1 255.255.255.0
no shutdown
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 172.25.20.1 255.255.255.0
no shutdown
duplex auto
speed auto
!
interface Vlan1
no ip address
shutdown
!
ip classless
!
!
line con 0
line vty 0 4
login
!
end
!
!
ip dhcp excluded-address 172.25.21.254
!
ip dhcp pool LAN_172
network 172.25.21.0 255.255.255.0
default-router 172.25.21.1
dns-server 172.25.20.2
!
!
spanning-tree mode pvst
!
!
interface FastEthernet0/0
ip address 172.25.21.1 255.255.255.0
no shutdown
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 172.25.20.1 255.255.255.0
no shutdown
duplex auto
speed auto
!
interface Vlan1
no ip address
shutdown
!
ip classless
!
!
line con 0
line vty 0 4
login
!
end