SSH Network is unreachable

I have 2 ubuntu systems , 1 lan cable. I need to transfer data(FILE OR DIRECTORY) using lan cable.( Note : there is no online network connection) I tried using ethernet and connected both ends in systems and configured IPV4 IP address in both , installed openssh-server, the service status also shows online but I try to ssh it simply shows '''ssh connection to host : network is unreachable''' I don't know what to do next. Is that I'm doing in a right way? If someone know anything about it just add your comments please!'

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