Learn how to use write-erase command on Cisco IOS from ccieadvisor.com - YouTube
How To Save Configuration in Cisco Router And Erase Cisco Router Configuration-- Cisco certifications labs using Cisco packet tracer | Router configuration, Router, Cisco
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how to delete router memory erase startup config - YouTube
How To Erase Configuration Files on a Cisco Router or Switch
how to delete router memory erase startup config - YouTube