class-map match-all test
match ip precedence 5
match access-group 101
class-map match-all per-vlan
match vlan 10
match class-map test

policy-map test
class per-vlan
set cos 5

interface FastEthernet0/6

service-policy input test

access-list 101 permit ip 10.1.1.0 0.0.0.255 20.1.1.0 0.0.0.255

===========================================
class-map match-all test
match ip precedence 5
match access-group 101
class-map match-all per-vlan
match vlan 10-15
match class-map test
!
!
policy-map test
class per-vlan
police 100000 80000 exceed-action drop

interface FastEthernet0/1
switchport mode access
service-policy input test

access-list 101 permit ip 10.1.1.0 0.0.0.255 20.1.1.0 0.0.0.255

===================================
mls qos aggregate-policer test 50000 20000 exceed-action drop
mls qos

class-map match-all test
match ip precedence 5
match access-group 101
class-map match-all per-vlan
match vlan 10-15
match class-map test

policy-map test
class per-vlan
police 100000 80000 exceed-action drop
policy-map test2
class per-vlan
police aggregate test

interface FastEthernet0/1
switchport mode access
service-policy input test
!
interface FastEthernet0/2
switchport mode access
service-policy input test2

access-list 101 permit ip 10.1.1.0 0.0.0.255 20.1.1.0 0.0.0.255