# PVC Set Up/Modify

The PVC Set Up or PVC Modify dialog box lets you set the parameters for a new PVC tunnel or change an existing one.

Virtual Path Identifier (capvcVPI)

VPI value for this PVC. Acceptable values are 0 through 3.

Virtual Channel Identifier (capvcVCI)

VCI value for this PVC. Acceptable values are 0 through 1023.

Peak Cell Rate (capvcPCR)

Bandwidth allocation for this PVC, in Kbps. You should ensure that the total PCR of all PVCs defined on a port does not exceed the capacity of that port, if they are to operate simultaneously. Note that the system will not verify this for you.

Bind to VLAN (capvcVlanId)

Number of the VLAN to which this PVC is bound. Acceptable values are 1 through 1005.

LoopBack (capvcOAM)

Whether an F5 OAM loopback cell will be sent on this PVC.

Frequency (capvcFrequency)

If the Loopback value is true, this value indicates how often, in seconds, an F5 OAM loopback cell will be sent on this PVC.