The CLEAR CIRCUIT command resets circuit parameters in the volatile
database to the default value (if any), or removes them from the volatile
database on the local node or DTE.
The PURGE CIRCUIT command always removes circuit parameters from the
permanent database on the local node or DTE.
CLEAR KNOWN CIRCUITS (parameters...)
CIRCUIT circuit-id
All underscores found in parameters must be replaced with spaces when
parameters are used in NCP commands.
1 – KNOWN CIRCUITS
Resets to the default value (if any) or removes from the volatile database the parameters for all known circuits.
2 – CIRCUIT circuit-id
Resets to the default value (if any) or removes from the volatile database the parameters for a specific circuit. Circuit-id specifies the name of the circuit you want to clear.
3 – ACTIVE
Differentiates between the active, inactive and dying DDCMP timer parameters.
3.1 – BASE
Applies only to DDCMP CONTROL circuits. Resets to its default value the ACTIVE BASE value in the volatile database.
3.2 – INCREMENT
Applies only to DDCMP CONTROL circuits. Resets to its default value the ACTIVE INCREMENT value in the volatile database.
4 – ALL
Removes from the volatile database the specified circuit or all known circuits. The circuit must be in the OFF state before you can specify this parameter.
5 – BABBLE TIMER
Applies only to DDCMP CONTROL circuits. Resets to its default value the BABBLE TIMER value in the volatile database.
6 – COUNTER TIMER
Cancels the logging timer. This cancellation prevents any further circuit counter logging for the indicated circuit or circuits.
7 – DEAD THRESHOLD
Applies only to DDCMP CONTROL circuits. Resets to its default value the DEAD THRESHOLD value in the volatile database.
8 – DYING
Differentiates between the active, inactive and dying DDCMP timer parameters.
8.1 – BASE
Applies only to DDCMP CONTROL circuits. Resets to its default value the DYING BASE value in the volatile database.
8.2 – INCREMENT
Applies only to DDCMP CONTROL circuits. Resets to its default value the DYING INCREMENT value in the volatile database.
8.3 – THRESHOLD
Applies only to DDCMP CONTROL circuits. Resets to its default value the DYING THRESHOLD value in the volatile database.
9 – INACTIVE
Differentiates between the active, inactive and dying DDCMP timer parameters.
9.1 – BASE
Applies only to DDCMP CONTROL circuits. Resets to its default value the INACTIVE BASE value in the volatile database.
10 – INCREMENT
Applies only to DDCMP CONTROL circuits. Resets to its default value the INACTIVE INCREMENT value in the volatile database.
11 – THRESHOLD
Applies only to DDCMP CONTROL circuits. Resets to its default value the INACTIVE THRESHOLD value in the volatile database.
12 – MAXIMUM
This modifier indicates an upper limit on a variety of parameters.
12.1 – BUFFERS
Applies only to DDCMP CONTROL circuits. Resets to its default value the MAXIMUM BUFFERS value in the volatile database.
12.2 – RECALLS
Applies only to X25 DLM circuits. Resets to its default value the limit on the number of call retries.
12.3 – ROUTERS
Applies only to broadcast circuits. Resets to its default value the MAXIMUM ROUTER value in the volatile database.
12.4 – TRANSMITS
Applies only to DDCMP CONTROL circuits. Resets to its default value the MAXIMUM TRANSMITS value in the volatile database.
13 – NETWORK
Applies only to purging X25 PVCs and X25 DLM circuits. Removes the circuit's network parameters from the permanent database.
14 – RECALL TIMER
Applies only to X25 DLM circuits. Resets to its default value the RECALL TIMER value in the volatile database.
15 – ROUTER PRIORITY
Applies only to broadcast circuits. Resets to its default value the priority assigned to the router in the volatile database.
16 – TRANSMIT TIMER
Applies only to DDCMP CONTROL circuits. Resets to its default value the TRANSMIT TIMER value in the volatile database.
17 – Examples
NCP>CLEAR CIRCUIT DMC-0 ALL
This command removes all parameter entries for circuit
DMC-0 in the volatile database. As a result, the circuit
no longer exists for the executor DECnet software.