Run the script and you will get the output as follows: :~$ python3 telnet_example.pyĮnter configuration commands, one per line. T.write(b"enter_remote_device_password\n") #password of your remote device T.write(password.encode("ascii") + b"\n") T.write(host_user.encode("ascii") + b"\n") Host_user = input("Enter your telnet username: ") For that, create a telnet_example.py script and write following content in it: import telnetlib Now, let’s see the example of Telnetting a remote device. Python has the telnetlib module to perform Telnet functions through Python scripts. Before telnetting your remote device or router, make sure they are configured properly and, if not, you can do basic configuration by using the following command in the router’s Terminal: configure terminal enable password 'set_Your_password_to_access_router' username 'set_username' password 'set_password_for_remote_access' line vty 0 4 login local transport input all interface f0/0 ip add 'set_ip_address_to_the_router' 'put_subnet_mask' no shut end show ip interface brief To run Telnet using the simple Terminal, you just have to enter the following command: $ telnet ip_address_of_your_remote_server
If not, run the following command to install it: $ sudo apt-get install telnetd To use Telnet, make sure it is installed on your system. Telnet uses TCP on the default port number 23. To access the device, run the Telnet command with the IP address or hostname of a remote server in your Terminal. It is mostly used by network administrators to remotely access and manage devices. Telnet is a network protocol that allows a user to communicate with remote servers.
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