Zero the counters for a particular DTE or all KNOWN DTES.
 The command for is :

 ZERO MODULE X25-PROTOCOL DTE address     NETWORK network-name
                          KNOWN DTE       KNOWN NETWORK

 All underscores found in parameters must be replaced with spaces
 when parameters are used in NCP commands.

1  –  DTE dte-address

 Zeroes the counters for the specified DTE only.

2  –  KNOWN DTES

 Zeroes the counters for all known DTEs.