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Updated:March 8, 2017
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This document describes how to do factory reset and password recovery for Cisco 2520 Series Connected Grid Switches (CGS2520).
Contributed by Mehar Swarup and Sumedha Phatak, Cisco TAC Engineers.
This procedure is applicable when password is lost on switch or customer want to factory reset switch.
Follow these steps to factory reset configuration on CGS2520:
1. Unplug and plug the power cord from the switch.
2. Wait for the flash initializing message to appear as shown:
...done Initializing Flash.
The system has been interrupted, or encountered an error during initialization of the file system. These commands will initialize the flash filesystem, and finish loading the operating system software:
3. Press the express setup pin on the switch when flash initializing for 3-5 seconds. You will now see the 'switch:' prompt.
4. Use these commands to backup the configuration that already exists.