| CPC H04L 49/901 (2013.01) [H04L 49/555 (2013.01)] | 17 Claims |
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1. A line monitor device comprising:
a network switch that includes a plurality of ports each connected to a network or a terminal, and is configured to perform routing between the plurality of ports; and
a control device that is apart from the network switch, and is configured to control the network switch, wherein
the network switch includes:
a command storage unit configured to store a plurality of commands acquired from the control device for physical devices such that the plurality of commands correspond to command designation information predetermined, the physical devices being correspondingly provided for the plurality of ports and each realizing a physical layer,
an access control unit, when acquiring device designation information that designates one of the physical devices and a simple command that includes the command designation information from the control device, configured to read a command from the command storage unit based on the command designation information indicated by the simple command and execute the command to the physical device designated by the device designation information indicated by the simple command,
the control device instructs the command storage unit to write the plurality of commands using an initialization command for writing the plurality of commands to the command storage unit, and
the control device performs a line monitoring processing that monitors a line connected to each of the physical devices using the simple command.
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