华为交换机关闭Telnet、开启SSH服务命令

SECURECRT登录进去后
< BJDSNW-2F>敲 sys
进入 system view

关闭Telnet
[BJDSNW-2F]undo telnet server enable
[BJDSNW-2F]quit
< BJDSNW-2F>save
The current configuration will be written to the device.

开启ssh
[BJDSNW-2F]
[BJDSNW-2F]rsa local-key-pair create
The key name will be: BJDSNW-2F_Host
The range of public key size is (512 ~ 2048).
NOTES: If the key modulus is greater than 512,
it will take a few minutes.
Input the bits in the modulus[default = 2048]:
Generating keys…
……………….+++++
……………………++
….++++
………..++

[BJDSNW-2F]user-interface vty 0 4
[BJDSNW-2F-ui-vty0-4]authentication-mode aaa
Warning: The level of the user-interface(s) will be the default level of AAA users, please check whether it is correct.

[BJDSNW-2F-ui-vty0-4]protocol inbound ssh
[BJDSNW-2F-ui-vty0-4]qu
[BJDSNW-2F]ssh user admin
Info: Succeeded in adding a new SSH user.
[BJDSNW-2F]ssh user admin authentication-type password
[BJDSNW-2F]
[BJDSNW-2F]
[BJDSNW-2F]
[BJDSNW-2F]aaa

//有密码可以不用设置
[BJDSNW-2F-aaa]local-user admin password
Please configure the login password (8-128)
It is recommended that the password consist of at least 2 types of characters, including lowercase letters, uppercase letters, numerals and special characters.
Please enter password:
Please confirm password:
Please enter old password:
Error: The new password is the same as the old password.

[BJDSNW-2F-aaa]local-user admin service-type ssh
Info: After changing the rights (including the password, access type, FTP directory, and level) of a local user, the rights of users already online do not change. The change takes effect to users who go online after the change.

[BJDSNW-2F-aaa]qu
[BJDSNW-2F]
[BJDSNW-2F]
[BJDSNW-2F]

[BJDSNW-2F]ssh user admin service-type stelnet

[BJDSNW-2F]stelnet server enable
Info: Succeeded in starting the Stelnet server.
[BJDSNW-2F]quit
< BJDSNW-2F>save