What is the reset command for a Cisco switch?

What is the Reset Command for a Cisco Switch?

A reset command is a vital technique to troubleshoot and return a Cisco switch to its default settings. When configured, a Cisco switch collects various settings and information throughout its operational lifetime. On occasion, a network administrator may need to restore these settings to their original settings. In this article, we will explore the basics of resetting a Cisco switch, including the commands to undertake the process.

Erasing the Startup Configuration: A Precaution

Before diving into the main topic, it’s vital to note that the procedures discussed in this article concern the erase startup configuration (erase start) directive. This command does not** clear boot variable settings, such as boot variables, config-register setting, or boot system defaults. It’s crucial to consider these factors when intending to reset a Cisco switch.

What is the Reset Command for a Cisco Switch?

To begin with, there are distinct reset commands available in different modes on a Cisco switch, as seen in the configuration mode and ROMmon.

1. Reload/Power Cycle: Restart or power cycle the switch:
   • reload or power-cycle command (Configuration mode)
   • Shutdown and then restart the Cisco switch
2. erase start: Restore start configuration:
   • • erase startcommand (Configuration mode)

reload or reset command (Rommon)

• Reset using ROMmon (eRommon mode)
  1. Power Cycle + Configure terminal + erase startup : Reset with no power cycle
• Plug in the switch and disconnect console cable.
• Press the Mode button at least 10 times continuously, and then plug and power cycle the switch immediately after pressing the last toggle button.
• configure terminalorconf t(in Rommon) Enter global configuration mode (use ‘show run’ all and’write ‘)

The process may look scary, but don’t bother – you won’t even lose any information (provided the ‘no shut all int’ commands, at the very end.

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