casaNotEnabled: indicates that CASA is not configured.
casaEnabled : indicates that CASA is configured.
If the CASA entity is a Forwarding
Agent, it is waiting for a Wildcard
Affinity.
casaActive : indicates that CASA is operational.
i.e. For the Service Manager this
state indicates that at least one
Wildcard Affinity has been sent.
For a Forwarding Agent this state
indicates that Wildcard Affinity
has been received and CASA is
forwarding matching IP packets to
the Service Manager.
Setting cCasaState to casaNotEnabled will shut
CASA down.
Setting cCasaState to casaEnabled results in
the following sequence of events:
The configuration parameters
cCasaCfgAddress,
cCasaCfgMcastAddress
are validated.
If validated CASA is shut down if its not already,
followed by CASA being enabled with the
configuration parameters taking effect.
If the configuration parameters are not valid then
the set operation fails.
Setting cCasaState to casaActive is invalid.