Device and method for dynamically measuring VLAN users
A technology of dynamic testing and dynamic host configuration, applied in the network field, can solve problems such as low degree of automation and low testing efficiency, and achieve the effects of improving test quality, saving test manpower, and reducing costs
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[0045] In order to make it easier for those skilled in the art to understand and realize the present invention, the embodiments of the present invention are described in conjunction with the accompanying drawings.
[0046] The basis of the present invention is the standard DHCP protocol (RFC1533), so at first a brief introduction is made to the whole process of a dynamic VLAN user going online and offline (that is, the process of a dynamic VLAN user obtaining and releasing an IP address).
[0047]For a VLAN user, its state must be in one of the six state machines of the DHCP protocol at any time, namely initial state (INITIALIZE), selection state (SELECT), request state (REQUEST), binding state (BOUND), re- Bound state (REBIND) and update state (RENEW). Because technology among the present invention is to be used for laboratory test VLAN user's on-line and off-line, so just needn't relate to rebinding state (REBIND) and update state (RENEW) two states, simultaneously SELECT st...
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