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Why cannot Security Manager connect to a Cisco IOS router after configuration rollback?

April 26, 2017Cisco configuration Connect IOS manager Rollback Router security

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Why cannot Security Manager connect to a Cisco IOS router after configuration rollback?

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A. This could occur because of one of the following reasons: –At rollback, for some versions of Cisco IOS software and when necessary, the configurations are copied from the TFTP server to startup-config, then the Cisco IOS router is reloaded. This reload causes a temporary loss in device connectivity. Wait for the device to be reloaded completely, then try to connect to it again. –The configuration contains a nonexisting or unauthorized username and password.