Cisco Cisco IOS Software Release 12.2(27)SBC

You must enable SNMP on the label switch routers (LSRs) in your network.

You must configure policy maps and attach them to interfaces in an input or output direction within 
your network.

Service policies applied to PPP sessions are not supported in Cisco IOS Release 12.2(31)SB2.

The CISCO-CBP-TARGET-MIB is limited to read-only (RO) permission for MIB objects.

This feature is supported on Cisco 10000 series routers with performance routing engine 2 (PRE2) 
and 3 (PRE3).

To use the QoS: CBQoS Management—Policy-to-Interface Mapping Support feature, you should 
understand the following concepts:

To find the QoS service policies that are applied to a specific interface (more generically referred to as 
a target), you must search the entire cbQosServicePolicyTable within the 
CISCO-CLASS-BASED-QOS-MIB. This process can be very time consuming in large scale 
configurations, and therefore, is not feasible.

A solution was to create the CISCO-CBP-TARGET-MIB, a more generic MIB that allows any type of 
target to be mapped to the service policies that are applied to it.

The CISCO-CBP-TARGET-MIB maps policy targets to their corresponding attached service policies by 
providing a link to the policy instance (service policy) and the policy-map configuration data by using 
row pointers to the tables that manage each one.  For policy types in the 
CISCO-CLASS-BASED-QOS-MIB, the CISCO-CBP-TARGET-MIB maps targets to their 
cbQosServicePolicyTable and cbQosPolicyMapCfgTable rows, respectively.