when i configured switch this save configuration but if the switch reboot lost the configuration, i can see this configuration in the switch:
information on SW
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Slot: Slot-1 * Slot-2 ------------------------ ------------------------
Current State: MASTER BACKUP (In Sync)
Image Selected: secondary secondary
Image Booted: secondary secondary
Primary ver: 16.1.0.18 16.1.0.18
Secondary ver: 22.1.1.5 22.1.1.5
Config Selected: primary.cfg
Config Booted: Factory Default
primary.cfg Created by ExtremeXOS version 22.1.1.5
577404 bytes saved on Fri Jan 13 20:33:50 2017