# AAL5 VCC Performance

The ATM Adaptation Layer type 5 Virtual Circuit Connections (AAL5 VCC) Performance dialog box gives the virtual path identifier (VPI) and virtual circuit identifier (VCI) values.

## Procedure

1. Right-click the port, then select Monitor.

2. Select AAL5 VCC Performance from the Category list.

> The following information is displayed:

> Sub Interface Index (ifIndex)

> Sub Interface Description (ifDescr)

> Sub Interface Alias (ifAlias)

> VPI Value (aal5VccVpi)

> VCI Value (aal5VccVci)

### Sub Interface Index (ifIndex)

Identifies the sub-interface for which the entry contains management information.

### Sub Interface Description (ifDescr)

Presents the sub-interface information (for example, the product name, manufacturer, and hardware version).

### Sub Interface Alias (ifAlias)

The alias for the sub-interface, as specified by a network manager.

### VPI Value (aal5VccVpi)

The VPI value of the AAL5 VCC at the interface identified by the ifIndex.

### VCI Value (aal5VccVci)

The VCI value of the AAL5 VCC at the interface identified by the ifIndex.