2.1 Method one: Automatic connection (default)
A pair of bridges in the same box is configured by default at
the factory and can be used after plugging in. No configuration is
required.
Applicable to a simple environment, only a pair of bridges
around, point to point.
2.2 Method two: Manual connection
When the application environment is complex, there are
multiple bridges around, or if point-to-multipoint connections
are used, manual connection is required.
(1)Connect the PC and the network cable directly, configure the
PC as the IP address of the network segment 192.168.248.x and
