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ccna tutorial pdf in hindi.Note that this command is executed in line sub-configuration mode. For this to work, it must be enabled under all lines through which you want to access the IOS device, which includes the VTY and console ports. You can also press CTRL-R to refresh the screen. Video 10.08A multimedia demonstration of using the command logging synchronous on a Cisco router is included in the companion digital resource to this book.10.4.5 Interface ConfigurationTo configure an interface, you must first enter interface subconfiguration mode.IOS(config)# interface type [slot_#/]port_# IOS(config-if)#In the command interface, two parameters must be specified: the type and location of the interface. After executing the command interface, notice that the prompt changes (here to (config.if)#), indicating that you are currently in the interface sub-configuration mode of the specified interface.Practical experience suggests that the prompt does not indicate which interface is currently configured; to learn this information, use the history feature to redisplay the previously executed interface command.When specifying an interface, you can use any of the following representations.IOS(config)# interface ethernet0/1 IOS(config)# interface ethernetO/1 IOS(config)# inte 0/1 IOS(config)# inte0/lThe type and location can be separated by spaces, or they can be placed together; additionally, the commands and parameters can be simplified.