Cisco routers and switches everywhere

Unified configuration
router>show running-config
!
version 11.2 
hostname router
enable secret topsecret
!
ip subnet-zero
ip classless
!
interface Ethernet0
 ip address 8.8.8.1 255.255.255.0
 no ip directed-broadcast
interface Serial0
 encapsulation hdlc
 ip address 8.8.4.2 255.255.255.252
!
ip route 0.0.0.0 0.0.0.0 8.8.4.1
!