CLI Modes of Cisco routers

User EXEC:  Router >

This is a restricted mode. Here we can’t make changes or configure the router. In this mode users are only allowed to execute some commands like Ping IP address. We are not allowed to reload the router here. To exit from this mode type “logout” or “exit” command.

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Privileged EXEC:  Router #

From the User EXEC mode the “enable” command takes us to the privileged mode which we have few rights to control the router. Here we can verify the configuration made in the router and also allows us to troubleshoot. Here we can configure router’s date and time and also we can manage configuration files. To exit from this mode types “disable” or “exit” command.

Global Configuration Mode:  Router(config-if)#

From the privileged mode the “configuration terminal” command takes us to the global configuration mode. This is the place where we can completely configure the router. To exit from this mode type “exit” command.