Indicates that MOP Version 3 formatted messages are to be used to make the connection. By default, LANCP determines the format by sending MOP Request ID messages to the remote node first in MOP Version 4 format, then in Version 3 format, repeating this process until a response is received or timeout occurs. You can specify the format: o To allow connection to nodes that do not support Request ID messages o As a means of getting around implementation problems with one of the formats