The Virtual Path Identifier (VPI) and Virtual Channel
Identifier (VCI) are needed for setting up the ATM PVC. Do not change VPI and
VCI numbers unless your ISP instructs you otherwise.
Enable Quality Of Service Enabling QoS for
a PVC improves performance for selected classes of applications. However,
since QoS also consumes system resources, the number of PVCs will be reduced
consequently. Use
Advanced Setup/Quality of Service to assign
priorities for the applications.