<test-sw1> system-view
[test-sw1]

# Configuration

[test-sw1]save
The current configuration will be written to the device. Are you sure? [Y/N]:y
Please input the file name(*.cfg)[flash:/config.cfg]
(To leave the existing filename unchanged, press the enter key):
flash:/config.cfg exists, overwrite? [Y/N]:y
 Validating file. Please wait....
 The current configuration is saved to the active main board successfully.
 Configuration is saved to device successfully.
[test-sw1]

> screen-length disable

>display current-configuration

[test-sw1] quit
<test-sw1> save
<test-sw1> tftp xx.xx.xx.xx put flash:/config.cfg filename

  File will be transferred in binary mode
  Sending file to remote TFTP server. Please wait... |
  TFTP:     3674 bytes sent in 2 second(s).
  File uploaded successfully.

tftp 192.168.0.10 put flash:/config.cfg /conf/test-sw1.20161225.txt