scp <source_file_name> username@destination_host:<destination_folder>
From one QFX5110 to another QFX5110:
scp root@172.30.95.176:/var/tmp/jinstall-host-qfx-5e-x86-64-18.3R1.9-secure-.9-secure-signed.tgz jinstall-host-qfx-5e-x86-64-18.3R1.9-secure-.9-secure-signed.tgz