11.5.5.3 Packet Tracer – Use Telnet and SSH Answers

Packet Tracer – Use Telnet and SSH (Answers Version)

Answers Note: Red font color or gray highlights indicate text that appears in the Answers copy only.

Introduction

In this lab, you will use Packet Tracer to establish remote sessions to two routers, using Telnet and SSH. You may also install a third-party terminal emulation program and access a dedicated SSH server provided by your Answers.

Required Resources

• Windows computer
• Cisco Packet Tracer

Optional Resources

• PuTTY, Tera Term, or other terminal emulation programs
• An SSH server for students to access

Answers Note: OpenSSH server can be installed in Linux for students to access via SSH. User accounts are needed for student access.

Instructions

Part 1:Simulated Remote Access using Packet Tracer

Step 1:Telnet access to East

In this step, you will access the command line of the router East.

1. Open PC0. Navigate to the Desktop tab.
2. Select Command Prompt.
3. Enter telnet 209.165.200.225 at the prompt, where 209.165.200.225 is the IP address of the router East.
4. When prompted for the credentials, enter ITEUser for the username and ITEPassword as the password.
5. After your credentials are validated, you will be at prompt of the router East.
6. Enter exit to exit the East router.

Step 2:SSH

In this step, you will access the command line of the router West.

1. Enter ssh –l ITEUser 209.165.200.226 at the prompt, where 209.165.200.226 is the IP address of the router West and ITEUser is the username for access. Note: The syntax of the SSH could depend on the type of server.
2. When prompted for the password, enter ITEPassword.
3. After your credentials are validated, you will be at prompt of the router West.
4. Enter exit to quit the session.

Part 2:SSH using Physical Equipment (Optional)

Step 1:Prepare for SSH

1. Install a third-party terminal emulation program, such as PuTTy, as instructed by your Answers.
2. Record the IP address, user credentials and other settings as necessary for SSH access.

Step 2:Remote Access

In this step, PuTTy is used as an example.

1. Open PuTTy.
2. In the Host Name (or IP address) field, enter the IP address recorded above.
3. Verify that the connection type is SSH. Verify the port number for SSH. Change as necessary with the Other settings recorded above.

Question:

What is the default port for SSH?

22

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