There are many terminal emulator applications. Once you have connected your computer to the switch, we can start a terminal application to access the CLI. This cable emulates a serial port and has a USB connection. Modern computers or laptops don’t have these serial ports anymore so you might have to use a serial-to-USB cable like this one: This cable is called a Cisco console cable and you will need a serial port on your computer. We use this connection to connect the switch to a serial port on your computer with the following cable:
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Older switches only have the RJ45 port, newer switches (and other devices) often have both options.Įven though it’s an RJ45 port, it’s not an Ethernet port. On the left side of this 2960 Catalyst switch, you see the light blue RJ45 port and a micro-USB port on the left of it. On the switch, you will find one or two physical connectors for the console.
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Telnet and SSH are both options for remote access. We typically use this the first time we configure the switch. The console is a physical port on the switch that allows access to the CLI. Access to Cisco IOS CLIīefore we can enter any commands, we need access to the CLI.
MAC TERMINAL EMULATOR OVER ETHERNET HOW TO
In this lesson, I’ll explain how to access the CLI and the basics of how Cisco IOS works.
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It’s also much easier to copy entire configurations from one device to another. This might sound dated but with so many commands that are available to use, the CLI is much easier to work with than any of the graphical interfaces. There are also GUIs (Graphical User Interface) for the routers, switches and firewalls but the majority of the work is done on the CLI. You type in configuration commands and use show commands to get the output from the router or switch. Most Cisco devices (including routers and switches) use a CLI (Command Line Interface) to configure the network device. User and Enable mode (Privileged Exec Mode).