You can also use the Reset button together with the Clear button (Reset+Clear) to restore the factory default configuration for the switch. Press and hold the Reset button. Performing a factory reset erases all configurations and returns the switch to. Hit “Ctrl+B” as the switch boot up to enter extended boot menu 3. If “Password recovery capability is enabled”. This document is intended for I. However, other users with basic network understanding may find this document useful and straight. Aruba 2920, 3810M/2930M, JL079A, 2540, 2920-48G-POE+, 2930M, AOS-S Switch 16. 09, Central. This guide also provides an alphabetical listing of the CLI commands, including the command syntax, operands, and notes, and examples of their use.