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.Additional Information: explode extract