I am learning some of the more common commands that used to gather information about your router's configuration.
The Cisco IOS provides a wide range of show commands that allow you to verify your router's setup and display statistics.
Knowing the basic information about an interface (such as which IP address your ISP has provided you the details output of these commands are beyond the scope.....
Not going into much depth However, it's a good idea to be aware these commands exist and understand what sort of information they provide is helpful in articulating your understanding of basic Cisco Routers....

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