Ethernet cable reconnection

sorry its not suitable for me.

i am using ethernet cable which will connect embedded device to system .

My project read data from the embeded device.

at this point when we disconnect and connect the ethernet cable .

its not connecting

https://m.youtube.com/watch?v=CVKdPWdVYyQ https://m.youtube.com/watch?v=texiRU9zkFI https://m.youtube.com/watch?v=l2ivDQN9Iis There are videos.

my requirement is disconnect ethernet cable from system and reconnect it again properly

What's your exact requirement?