我按你说的配了一下可以通的
R0的配置:
interface FastEthernet0/0
ip address 192.168.0.1 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
duplex auto
speed auto
shutdown
!
interface Serial0/1/0
ip address 172.16.0.1 255.255.255.0
clock rate 64000
!
interface Serial0/1/1
no ip address
shutdown
!
interface Vlan1
no ip address
shutdown
!
ip classless
ip route 172.16.1.0 255.255.255.0 172.16.0.2
R1的配置:
interface Serial0/1/0
ip address 172.16.0.2 255.255.255.0
!
interface Serial0/1/1
no ip address
shutdown
!
interface Vlan1
no ip address
shutdown
!
ip classless
!