This article is going to show the CCNA students how to configure and enable telnet on Cisco router and switches. The Telnet is an old and non secure application protocol of remote control services. You can configure telnet on all Cisco switches and routers with the following step by step guides.

1. How to Enable Telnet on Cisco Router ? YASER RAHMATI
www.yaser-rahmati.ir
Router>enable
Router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#interface fastEthernet 0/0
Router(config-if)#ip address 192.168.1.1 255.255.255.0
Router(config-if)#no shut
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
Router(config-if)#exit
Router(config)#line vty 0 4
Router(config-line)#password yaser
Router(config-line)#login
Router(config-line)#
Switch
Router
fa 0/0 : 192.168.1.1 / 24
PC
IP : 192.168.1.100
SM : 255.255.255.0
PC>telnet 192.168.1.1
Trying 192.168.1.1 ...Open
User Access Verification
Password:
Router>
Line Configuration Mode for vty 0 Through 4
Assign IP address to interface