CISCO-CBP-TARGET-MIB Objects and Descriptions

The CISCO-CBP-TARGET-MIB consists of the ccbptTargetTable, which describes the class-based policy attachments to specific targets.

The table below lists the CISCO-CBP-TARGET-MIB objects and their descriptions.

Decoding Index Values

The CISCO-CBP-TARGET-MIB contains objects that define textual conventions for representing targets that have class-based policy mappings. A target can be any logical interface or entity to which a class-based policy can be applied.

The ccbptTarget is a series of octets that should be interpreted according to the value of ccbptTargetType.

The figure below shows a sample index with the type genIf(1) and how to decode index values corresponding to configuration mapping data output.

Figure 2

Sample Index with Mapping Data Output

The figure above shows the mapping of the index portion of the object identifier (OID) for an instance of the ccbptPolicyMap object. Each portion of the index is defined as follows:

Configuration Policy Mapping Data
-------------------------------
ccbptPolicyMap.1.4.0.0.6.97.3.1.3001 = cbQosPolicyMapName.1293

Where from left to right:

• ccbptTargetType--Value of 1 indicates the ccbptTargetType which is genIf(1). The target type indicates that the value contained in the ccbptTargetId is an ifIndex value.
• ccbptTargetId Length--Value of 4 indicates that the length of the ccbptTargetId to follow is 4 bytes. The ccbptTargetId is defined in the MIB as a variable length octet string. Representing this object in the index of a table requires that the object be preceded by the length of an octet string.
• ccbptTargetId--Value of 0.0.6.97 indicates the target ID. The length of the third index is determined by the value in the second byte of the entire index. (In this example, the length of the target ID is 4 bytes.) For supported ccbptTargetId values, see the Feature Overview of QoS CBQoS Management Policy-to-Interface Mapping Support.

Numerical Value for the ifIndex Example

The figure below shows the numerical value of the ifIndex ccbptTargetId, 0.0.6.97.

Figure 3

Numerical Value for an ifIndex

• ccbptTargetDirection--Value of 3 indicates the ccbptTarget output direction.
• ccbptPolicyType--Value of 1 indicates the ccbptPolicyType, which is ciscoCbQos(1).
• ccbptPolicyId--Value of 3001 indicates the ccbptPolicyId, which is the policy index integer for the policy instance applied to the target. The value of 3001 equals the value of the cbQosPolicyIndex for the corresponding entry in the cbQosServicePolicyTable in the CISCO-CLASS-BASED-QOS-MIB.
• cbQosPolicyMapName.1293--Value indicates the row in the cbQosPolicyMapTable describing the configuration of the policy map applied to the output direction of this ccbptTargetId.

Possible Values for ccbptTargetId

The figure below shows the supported ccbptTargetId values.

Figure 4

ccbptTargetId Values

• For genIf(1), OCTET STRING (SIZE(4))--ifIndex (4d). Where the (4d) value is a 4-byte decimal for the length of the ccbptTargetId in the example.
• For atmPvc(2), OCTET STRING (SIZE(8))--ATM PVC (4d:2d:2d). Where the ATM PVC has a ccbptTargetId length of 8 bytes (4d:2d:2d).
• For frDlci(3), OCTET STRING(SIZE(6))--Frame Relay ifIndex is the first 4 bytes, and DLCI is the last 2 bytes (4d:2d).
• For controlPlane(4), OCTET STRING(SIZE(4))--Control Plane Entity (4d).

Objects in the CISCO-CBP-TARGET-MIB

The notation used in the CISCO-CBP-TARGET-MIB follows the conventions defined in Abstract System Notation One (ASN.1). ASN.1 defines an Open System Interconnection (OSI) language used to describe data types independently from particular computer structures and presentation techniques. Each object in the MIB incorporates a DESCRIPTION field that includes an explanation of the object's meaning and usage, which, together with the other characteristics of the object (SYNTAX, MAX-ACCESS, and INDEX), provides sufficient information for management application development, as well as for documentation and testing.

A network administrator can access the entries (objects) in the CISCO-CBP-TARGET-MIB by means of any SNMP-based network management system (NMS). The network administrator can retrieve information in the CISCO-CBP-TARGET-MIB using standard SNMP get and getnext operations.

Scalar Objects in the CISCO-CBP-TARGET-MIB

The CISCO-CBP-TARGET-MIB contains the following unsupported scalar object:

• ccbptPolicyNext--Indicates the next available value of ccbptPolicyId that can be used to create a new conceptual row in the ccbptTargetTable. If no available identifier exists, this object has a value of 0. This object is read-only and is unsupported.

The CISCO-CBP-TARGET-MIB contains the following supported scalar object:

• ccbptTargetTableLastChange--Shows the value of sysUpTime at the time of the last addition or deletion of an entry in the ccbptTargetTable. If the number of entries is unchanged since the last reinitialization of the local network management system, the value of this object is 0. This object is read-only and is supported.

Notifications in the CISCO-CBP-TARGET-MIB

There are no notifications in the CISCO-CBP-TARGET-MIB.