try creating a class-map with a MAC ACL matching the mac -address.
access-list 700 permit 0000.0000.1111 0000.0000.0000
!
class-map match-all MAC_ACL
match access-group 700
!
!
policy-map MAC_ACL
class MAC_ACL
bandwidth percent 60
!
int f0/0
service-policy out MAC_ACL
end
!
wr mem
!