| 摘要 |
PURPOSE: An emulation method of LAN protocol is provided to promote understanding of a protocol and learn a designing technique by generating a packet directly by a user, performing emulation of various functions and identifying the result. CONSTITUTION: A user selects a protocol through a menu screen(101). It is checked whether a medium access control(MAC) of the protocol selected by the user is an either or an IEEE802.3(102). Upon checking, if the MAC is an Ethernet, a header of the Ethernet protocol, a data link layer(103). And then, the header of an IP protocol, a network layer, is generated(104). A packet is generated upon receipt of a user data(106). In this respect, a header of each protocol is selected and inputted through a menu by the user, a data given as a default value is inputted, or the user may directly input through programming. In case that the user directly inputs through programming, a system checks an error of the input program, and a packet is generated according to the result. A function menu is selected(107).
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