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Embed code for: 05.3 Connecting to a Console Port
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05.3 Connecting to a Console Port
9/11/2016 Cisco ELearning for ICND1 v2.0 https://ondemandelearning.cisco.com/ciscosc/icnd1#/sections/5/pages/3 1/2 Connecting to a Console Port Section 5: Starting a Switch Unlike a computer host, Cisco switches do not have a keyboard, monitor, or mouse device to allow direct user interaction. Cisco switches can be managed by connecting either locally or remotely to the switch from a PC. This allows you to access the CLI of the switch from the PC. For locally located switches, it is most common to physically connect a PC to the switch by connecting a cable between a serial port (also referred to as an RS232 port) on a PC and the console port of the switch. The cable that is used to connect to the switch is called a rollover cable. The console port is used when you want to connect locally to the console of your switch and perform switch configuration. After you physically connect the switch to your computer using a rollover cable, you need to use a terminal emulation application, such as HyperTerminal, on your management computer to open a serial terminal connection to your switch. The figure here illustrates the rear panel of the Cisco switch with a management computer host connected to the console port of the switch using a rollover cable. In order to communicate with the switch, you need to configure a connection profile in the terminal emulation application using the following parameters: Speed: 9600 b/s Data bits: 8 Parity: None Stop bit: 1 Flow control: None Once a console connection is established, you gain access to user EXEC mode by default. To start a configuration, you must enter privileged EXEC mode by using the enable command. 9/11/2016 Cisco ELearning for ICND1 v2.0 https://ondemandelearning.cisco.com/ciscosc/icnd1#/sections/5/pages/3 2/2 Modern computers and notebooks rarely include builtin serial ports. Often a USBtoRS232 compatible serial port adapter is used instead. On newer Cisco network devices, there are two console ports. One is the traditional console port, which is an RJ45 port, and the other is a mini USB port. When using the USB port, a suitable USB cable (USB type Ato5pin mini type B) and operating system device driver are needed to establish connectivity. Only one console port can be active at a time. When a cable is plugged into the USB console port, the RJ45 port becomes inactive. When the USB cable is removed from the USB port, the RJ45 port becomes active. Click the Play button to watch a short video about connecting to a console port and the setup dialog. Up Next: Starting the Switch and Observing the LED Indicators