Have you ever faced a situation where you have badly misconfigured your router and had to roll back the configuration to a previous known state? Assuming that the working configuration was still saved in the NVRAM, you only had two options - to manually work out the configuration commands to bring the router back to the previous state or to reload the router. In both cases the time was running too fast - both for the users who were facing the network downtime and especially for you. In this month`s IP Corner Ivan Pepelnjak describes how to use the Cisco IOS Configuration Replacement and Configuration Rollback feature to replace the current running configuration with any saved Cisco IOS configuration file.

Read more in the attached document

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