This object points to the MIB where the VCC configuration information can be found. The value of this object should be as follows:- af-nm-0165 - indicates that the CP-IWF supports ILMI for PVC auto-configuration. And the CO-IWF should apply the index objects, vpi and vci, to the atmfVccTable in the ILMI MIB (af-nm-0165.000). rfc2515 - indicates that the CP-IWF supports the AToM MIB. And the CO-IWF should apply the index objects, vpi and vci, to the atmVclTable in the AToM MIB (RFC 2515). The CP-IWF shall support one or other of these MIBs for holding VCC configuration information. Default value is atmfAutoConfigGroup