Telnet Remote management system

Telnet Agreement is TCP/IP A member of the protocol family , yes Internet The standard protocol and main way of remote login service . It provides users with the ability to complete remote host work on the local computer . Use on the end user's computer telnet Program , Use it to connect to the server . The end user can be in telnet Enter the command in the program , These commands run on the server , It's like typing directly into the server's console . You can control the server locally . To start a telnet conversation , You must enter a user name and password to log in to the server .Telnet It's a common remote control Web Server method .

use AR1 Remote management AR2

stay AR2 To configure Telnet

[AR2]user-interface vty 0 4  #  Configure virtual terminal interface 
[AR2-ui-vty0-4]authentication-mode password  Set authentication mode 
Please configure the login password (maximum length 16):Huawei123  #  password 
[AR2-ui-vty0-4]user privilege level 3   #  Configure user level 
[AR2-ui-vty0-4]quit

Different users set different permissions , Normal user monitoring authority , Network administrator configures and manages permissions （ By default vty The user level is 0, Unable to access the system interface ）

（0 Visit 、1 monitor 、2 System 、3 management ）

use AR1 Remote login AR2

View the logged in devices