If maskingFrameType = broadcast or multicast, this object is NOT APPLICABLE. If maskingFrameType = all or unknown, this object is applicable. The destination address is according to the maskingMacOrNet and maskingProtocolType variables. In case of 'MAC' enter 6 bytes (48 bit) of source address. In case of 'NET' if the maskingProtocolType is IP, this is the IP address if the maskingProtocolType is IPX, this is the IPX address (nnnnmmmmmmss) nnnn - IPX net address mmmmmm - Node address (Mac) ss - IPX socket. In case of 'Apple' nn - net address (4 nibbles) ss - socket (4 nibbles). The IPX socket entered here has priority over the value of maskingLowLevelProt, when it is ipxRip, ipxSap or ipxSpx, unless the entered IPX socket is don't care.