Select the following options to save configuration as shown in below image.

useful links:
sf500 configuration: http://minedutech.com/2019/05/28/sf500-switch-wan-configuration/
sf500 backup: http://minedutech.com/2019/05/28/how-to-take-backup-of-sf500-cisco-switch/
You need to add a widget, row, or prebuilt layout before you’ll see anything here. 🙂

