Remove running configuration in Cisco routers and switches

405 pts.
Tags:
Cisco router configuration
Cisco Routers
Cisco switch configuration
Cisco switches
How do I remove running configuration in Cisco routers and switches? I tried to run erase config/all, erase flash: nvram etc but it does not work. I want to erase all running config in devices. Can anybody help me?


Software/Hardware used:
cisco router and switches
Asked: Last updated:
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Use the following command:

write erase

and reload the switch

Don’t save the configuration.

When the switch start up its will go back to default configuration.
You can also check my article on how to reset the switch to default settings. May be it will help you.

———————-

The “running-config” is stored in the devices RAM, which wipes each time the device is “rebooted/reloaded”. To wipe the running config, simply reload or power-cycle.

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  • Craig001
    Router # erase startup-config Router # reload
    10 pointsBadges:
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  • storagegurl
    For more information on Cisco switches, check out this tip on Cisco switch configuration.
    205 pointsBadges:
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  • MrBillKaplan
    Yes, it will be nice to know how to default the device avoiding ROMMON etc. <zzzzzzzzzz>
    20 pointsBadges:
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  • dsadsdsadsa
    #erase startup-config
    #reload
    10 pointsBadges:
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  • 000Anu000
    #erase startup-config
    #reload
    :no
    10 pointsBadges:
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  • Meghabhardwaj
    To clear the router configuration commands from the running configuration, use the clear configure router command in global configuration mode.
    6,215 pointsBadges:
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  • aljamri
    #conf t
    #erase startup-config
    #reload
    10 pointsBadges:
    report

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