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This article shows you how to configure and verify the network equipment Telnet. The content is concise and easy to understand, which will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

In the normal work maintenance, we often use Telnet or SSL and other common remote connection methods, today I want to write about the configuration and verification of Telnet.

First of all, we need to understand what Telnet,Telnet is, which is a way to access a device remotely through an IP network. It has three authentication methods: no password authentication, no password authentication, local user name and password authentication. Its port is the TCP/23 port.

Let's configure Telnet:

The network topology is shown in the following figure

1. First set the IP address of the PC to 192.168.100.1 go 24, as shown in the following figure.

2. Configure the IP address of the port connected to the network on the router

[RT1] int g0/0/0

[RT1-GigabitEthernet0/0/0] ip add 192.168.100.254 24

3. Enable Telnet server-side functions on the device

[RT1] telnet server enable

% Start Telnet server

4. Enter the vty view and set the verification method

[RT1] user-interface vty 0 4

[RT1-ui-vty0-4] authentication-mode?

None Login without checking / / No verification required

Password Authentication use password of user terminal interface / / password authentication

Scheme Authentication use AAA / / Local user authentication

/ [RT1-ui-vty0-4] set authentication password simple? (if you use password authentication, set the password here)

/ STRING Plain text password

/ [RT1-ui-vty0-4] user privilege level? (if you use password authentication, set the user login level here)

/ INTEGER Specify privilege level

Note: the user login level ranges from 0 to 3.

The level of commands allowed at the user level

0 access level 1 access level, monitoring level 2 access level, monitoring level, system level 3 access level, monitoring level, system level, management level

5. Create local users, configure passwords, set service types, and set user levels

[RT1] local-user dgc

New local user added.

[RT1-luser-dgc] password simple 123456

[RT1-luser-dgc] service-type telnet

[RT1-luser-dgc] authorization-attribute level 3

[RT1-luser-dgc]

6. Verification

On the PC Telnet router, IP is 192.168.100.254

Being able to access the RT device shows that the experiment is successful.

The above content is how to configure and verify the network equipment Telnet. Have you learned the knowledge or skills? If you want to learn more skills or enrich your knowledge reserve, you are welcome to follow the industry information channel.

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