interface Ethernet0

ip address 193.1.1.2 255.255.255.0

!        

interface Serial0

ip address 194.1.1.1 255.255.255.0

clock rate 64000

!              

router ospf 1

log-adjacency-changes

network 0.0.0.0 255.255.255.255 area 0     // 同RB