MIB and Access-list

Is there a Cisco MIB that contains the information of an access-list ? My aim is to obtain the contain of an access-list (in this case, "IP precedence" information) in order to get CAR (Commited Access Rate) statistics on a "class of service" basis. Moreover, is there someone using the CISCO-CB-QO

Diff-serv qos configuration

Hello, my aim is to configure CB-WFQ (class-based weighted fair queing) on a cisco 2520 (IOS 12.1(3)T). 1. I enter the commands (configure a class, a policy) 2. I apply the policy to an interface But when I look at the CISCO-CLASS-BASED-QOS-MIB, the MIB is empty (nothing is configured). Has som