How to Enable SSH on a Cisco Router | Configure SSH on Cisco Router | Multiple Users | SSH Protocol

Hello Friends,
Learn how to secure your Cisco router with SSH in this step-by-step tutorial. We'll guide you through the process of enabling SSH access, generating SSH keys, and configuring user authentication. Discover the importance of SSH for remote network management and troubleshooting. Whether you're a network administrator or a CCNA student, this video will provide clear instructions and best practices.
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SSH Configuration Notes:
SSH
The SSH (Secure Shell) is an access credential that is used in the SSH Protocol. In other words, it is a cryptographic network protocol that is used for transferring encrypted data over the network. The port number of SSH is 22(Twenty-Two). It allows you to connect to a server, or multiple servers, without having to remember or enter your password for each system that is to log remotely from one system to another. It always comes in key pairs.
Features -
• Encryption: Encrypted data is exchanged between the server and client, which ensures confidentiality and prevents unauthorized attacks on the system.
• Authentication: For authentication, SSH uses public and private key pairs which provide more security than traditional password authentication.
• Data Integrity: SSH provides Data Integrity of the message exchanged during the communication.
• Tunneling: Through SSH we can create secure tunnels for forwarding network connections over encrypted channels.
Configuration on Switch
1. Hostname Assign
Router(config)# hostname R1
2. IP Assign on Router Interface
R1(config)# interface gigabitEthernet 0/0/0
R1(config-if)# ip address 192.168.1.1 255.255.255.0
R1(config-if)# description "Uplink_Port"
R1(config-if)# no shut
R1(config-if)# exit
3. SSH Enable
R1(config-if)# ip domain-name cisco.com
R1(config-if)# crypto key generate rsa general-keys modulus 4096
Or
R1(config-if)# crypto key generate rsa
R1(config-if)# ip ssh version 2
4. SSH enable on Line VTY
R1(config)# line vty 0 15
R1(config-line)# transport input ssh
R1(config-line)# login local
R1(config-line)# exit
5. Username & Password create for Router login
R1(config)# username Rohit privilege 15 secret Rohit@123
R1(config)# username Nitesh privilege 15 secret Nitesh@123
R1(config)# enable secret admin@123
R1(config)# exit
6. Save the Configuration
R1# wr
R1# show users
R1# show running-config
IP assign on PC
IP assign for PC1- 192.168.1.10/24
SSH Verification
Open Command Prompt
C:\ping 192.168.1.1
C:\ssh -L Rohit 192.168.1.1
C:\ssh -L Nitesh 192.168.1.1
Please let me know if you have any questions & doubts and I will do my best to help. If you found this video helpful, please like share and subscribe. Thanks!!