class-map match-any icmp
 match protocol icmp
class-map match-all all
 match any
!
!
policy-map qos-policy
 class icmp
  priority 100
 class all
  priority 12
!
interface FastEthernet4
 description Link to Internet via a DSL modem.  Link Speed: 3Mb/384Kb
 bandwidth 150
 ip address xxx.xxx.xxx.xxx xxx.xxx.xxx.xxx
 ip nbar protocol-discovery
 ip nat outside
 ip virtual-reassembly
 duplex auto
 speed auto
 no cdp enable
 service-policy output qos-policy
!