x25 Circuit Status

1.3.6.1.4.1.434.2.2.4.5.6.1.3

This object reports the current status of the circuit. An existing instance of this object can only be set to startClear, startPvcResetting, or invalid. An instance with the value calling or open can only be set to startClear and that action will start clearing the circuit. An instance with the value PVC can only be set to startPvcResetting or invalid and that action resets the PVC or deletes the circuit respectively. The values startClear or startPvcResetting will never be returned by an agent. An attempt to set the status of an existing instance to a value other than one of these values will result in an error. A non-existing instance can be set to PVC to create a PVC if the implementation supports dynamic creation of PVCs. Some implementations may only allow creation and deletion of PVCs if the interface is down. Since the instance identifier will supply the PLE index and the channel number, setting this object alone supplies sufficient information to create the instance. All the DEFVAL clauses for the other objects of this table are appropriate for creating a PVC; PLEs creating entries for placed or accepted calls will use values appropriate for the call rather than the value of the DEFVAL clause. Two managers trying to create the same PVC can determine from the return code which manager succeeded and which failed (the failing manager fails because it can not set a value of PVC for an existing object). An entry in the closed or invalid state may be deleted or reused at the agent's convence. If the entry is kept in the closed state, the values of the parameters associated with the entry must be correct. Closed implies the values in the circuit table are correct. The value of invalid indicates the other values in the table are invalid. Many agents may never return a value of invalid because they dynamically allocate and free unused table entries. An agent for a statically configured systems can return invalid to indicate the entry has not yet been used so the counters contain no information.