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ccna tutorial pdf download.Timeouts: Idle EXEC Idle Session Modem Answer Session Dispatch never never none not set Special Chars: Escape Hold Stop Start Disconnect Activation none --none Session limit is notTime since activation:0:04:4 9 Editing is enabled. history is enabled, history size is 10.Full user help is disabled Allowed transports are pad telnet mop. No special data dispatching charactersIn this example, notice that the timeout is set to never.Please note from practical experience that the command show is not executed in configuration mode. To execute a user EXEC mode command or a privileged EXEC mode command in configuration mode, prefix the command with the word do as follows: do show line con 0oVideo 10.07 A multimedia demonstration of modifying the idle timeout on a Cisco device is included in the companion digital resource to this book.2. restrict the VTY access methodBy default, the VTY can be accessed using all methods, including Telnet and SSH (Telnet and SSH are discussed in Chapter 16). o To control how you connect to the VTY, use the commands transport input (which protocols can be used to connect to the router) and transport output (which protocols can be used to connect from the router to other devices).IOS(config)# linevty line_^ [line_#] IOS(config-line)# transportinput {all | telnet| ssh} IOS(config-line)# transportoutput {all |telnet |ssh}By default, all protocols are allowed. In the following example, only VTY access to the current router and access to other devices from the current router is allowed through the SSH protocol.