| Description | An entry in the PVC table containing information
about a single PVC that has been configured. To
create a PVC at an ATM interface and bind it to a
VLAN, either of the following procedures are used :
Multi step process
(1) The management application creates a
PVC entry in the capvcTable by setting
the capvcRowStatus to createAndWait(5).
This may fail for the following reasons:
- The selected vpi/vci is already being used.
- The selected port is not available.
Otherwise, the agent creates a row and
reserves the vpi/vci on that port.
(2) The manager then sets the values for
the capvcVlanId, capvcType and optionally,
the capvcPCR, capvcOAM and capvcFrequency.
(3) The manager activates the PVC by setting
the capvcRowStatus to active(1).
One-Shot PVC establishment
(1) A PVC may also be established in one
step by a set-request with all necessary
PVC parameter values and the capvcRowStatus
set to createAndGo(4).
In contrast to the multi step process which
allows for detailed error checking (i.e.,
set errors are explicitly linked to
particular resource acquisition failures),
the one-shot PVC establishment performs the
setup on one operation but does not have the
advantage of step-wise error checking.
PVC Retirement
A PVC is released by setting the capvcRowStatus
to destroy(6), and the agent may release all
associated resources. |