FIELD: information technology.
SUBSTANCE: invention relates to means of controlling VLAN settings. Switching device comprises: multiple ports; a VLAN setting control unit, which specifies VLAN information in multiple ports and controls VLAN information specified in multiple ports; and a VLAN setting unit, which instructs the VLAN setting control unit to set information to the VLAN indicated in the control information at a corresponding output port, when VLAN information, which must be added to the output packet specified in the control information received from the preset control device is not specified in the output port for the packet.
EFFECT: technical result is reduction of load associated with installation of VLAN ID in a centralized controlled network.
5 cl, 8 dwg
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