An active console session to the device is REQUIRED. The Cisco IOS on the switch must be corrupt or missing to perform this lab, to emulate this error you can erase the flash memory to practice this lab. This lab will require a REAL switch as this lab cannot be emulated using GNS3. In the field you may find yourself faced with a Cisco switch that cannot boot up or crashes when booting up due to a possible IOS Image corruption. Recovering the Cisco IOS image on a Cisco switch is one of those tasks that is nice to know and not need it then need it and not know it. This lab will discuss and demonstrate the IOS recovery procedure for fixed configuration Catalyst series switches using x. Unfortunately there is no easy way to recover a corrupt or deleted IOS image on a fixed configuration Cisco Catalyst switch. Recovering a Corrupt Cisco IOS Image on a Catalyst Switch. All versions are tested and are working with the latest version of GNS3.
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