H3C herein to switch an example, telnet service configuration authentication modes
None Authentication Mode Step:
[H3C] // enable telnet Server's Telnet service
[H3C] user-interface vty 0 4 // allow remote users 0-4 a total of five accounts while landing
[H3C-line-vty0-4] authentication -mode none // authentication mode is none, no authentication
[H3C-line-vty0-4] user -role level-3 // set the login user rights
Password Authentication Mode Setting Step:
[H3C] Telnet service Telnet Server enable // Open
[H3C] user-interface vty 0 4 // 0-4 were remote user account while landing 5
[H3C-line-vty0-4] authentication -mode password // authentication mode to password, password authentication
[H3C-line-vty0-4] set authentication password simple 123 // plain text password 123
[H3C-Line-vty0-4] User-Role-Level set. 3 // login user rights
Scheme Authentication Mode Step :
[H3C] Telnet service Telnet Server enable // Open
[H3C] user-interface vty 0 4 // 0-4 were remote user account while landing 5
[H3C-line-vty0-4] authentication -mode password // authentication mode is scheme, account + password
[H3C-line-vty0-4] user -role level-3 // set the login user rights
[H3C-Line-vty0-4] qu
[H3C] local-the user // add local user h3c h3c
[H3C-luser-the Manage-h3c] H2C // set the Simple password in plain text password H2C
[H3C-luser-the Manage-h3c] service-// set account of the type telnet service type to telnet
H3C Comware
current major version V3, V5, V7 three different versions of command subject to change, a distinction.
1, the virtual terminal view
V3: User-interface VTY <0-4>
V5: User-interface VTY <0-15>
V7: User-interface VTY <0-63 of>
authentication mode VTY first enter the view, where 0 allow 0-4 4 represents a total of five users can be logged, V5 allows up to 16 users can be logged, V7 the most 64.
2, set the login user permission level (virtual terminal view)
V3 / V5: User Privilege Level <0-3>
V7: User-Role LEVEL- <0-15>
operation setting permission level user authentication, permissions can be of different different, V3 / V5 in privilege level 0-3 a total of four grades, up to 3; V7 is set in a total of 16 0-15 privilege levels, up to 15; general to the account set by the administrator, that is set to become the highest can.
Reference: https://jingyan.baidu.com/article/a24b33cd3d521219fe002bc0.html