
Enable Telnet Access
Ø
Router (config)#enable
secret Cisco (configuring password for enter in Enable and Configuration
mode)
Ø
Router (config)#line vty 0
4 (5 User Simultaneously access the Switch} Vty: - Virtual
Terminal
Ø
Router
(config-line)#password Cisco
{password}
Ø
Router
(config-line))#login {Ask of user Credentials}
Ø
Router
(config-line))#exit
{To
Verify}
ü Enable “Telnet client” Feature in”)
ü Add or remove Program
ü Turn on or off window feature
ü Check the Telnet Client)
Window Terminal
Ø C:\Users> telnet 192.168.2.10 (Switch IP)
Cisco
Recommended Use SSH Instead Telnet because telnet is not Secure it will Send
data in Clear text
Enable SSH {Secure Shell}
ü
It Securely Send and Receive data over the network
ü
When we
Login It Prompt us for Username
and Password
Configuration
Ø
Router
(config)#username admin secret Cisco
(creating username and password for ssh)
Ø
Router
(config)#ip domain-name ccna.local
(domain-name mandatory for SSH)
Creating Self-signed Digital Certificate
Creating Self-signed Digital Certificate
Ø Router (config)#crypto key generate rsa
: 1024 {ask for choose the size of key}
Ø Router(config)#ip ssh version 2 (enabling SSHv2)
Now implement
these Credentials in vty line
Ø
Router
(config)#line vty 0 4
Ø
Router
(config-line))##login local
(Local
username and password we created earlier)
Ø
Router
(config-line))##transport input ssh
{this
will allow only ssh to Communicate across the Network}
Ø
Router(config-line))##exit
Now
Verify using Putty install on your Pc
ü
Host
Name: - Router
ip address
Ø
Port:
- SSH Default Port number 22
Great Article
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