What is the configuration of the three authentication modes of telnet service on H3C switch
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Taking H3C switch as an example, this paper introduces three authentication configurations of telnet service.
None authentication mode configuration steps:
[H3C] telnet server enable / / enable Telnet service
[H3C] user-interface vty 0 4 / / allows 5 accounts of remote users to log in at the same time
[H3C-line-vty0-4] authentication-mode none / / Authentication mode is none and no authentication is required
[H3C-line-vty0-4] user-role level-3 / / set login user permissions
Password authentication mode configuration steps:
[H3C] telnet server enable / / enable Telnet service
[H3C] user-interface vty 0 4 / / allows 5 accounts of remote users to log in at the same time
[H3C-line-vty0-4] authentication-mode password / / authentication mode is password, password authentication
[H3C-line-vty0-4] set authentication password simple 123 / / set clear text password 123
[H3C-line-vty0-4] user-role level-3 / / set login user permissions
Scheme authentication mode configuration steps:
[H3C] telnet server enable / / enable Telnet service
[H3C] user-interface vty 0 4 / / allows 5 accounts of remote users to log in at the same time
[H3C-line-vty0-4] authentication-mode scheme / / Authentication mode is scheme, account + password
[H3C-line-vty0-4] user-role level-3 / / set login user permissions
[H3C-line-vty0-4] qu
[H3C] local-user h4c / / add local user h4c
[H3C-luser-manage-h4c] password simple H3C / / set plaintext password H3C
[H3C-luser-manage-h4c] service-type telnet / / set the account service type to telnet
H3C Comware
At present, the main versions are V3, V5, V7, different versions of the command have changed, pay attention to the distinction.
1. Virtual terminal view
V3:user-interface vty
V5:user-interface vty
V7:user-interface vty
The first step to configure the authentication method is to enter the VTY view, where 0 4 means 5 users are allowed to log in at the same time. A maximum of 16 users are allowed to log in at the same time in V5 and 64 users are allowed in V7.
2. Set the permission level of login users (under the virtual terminal view)
V3/V5:user privilege level
V7: user-role level-
Set the authority level of authenticated users, the operations that can be carried out with different permissions are different. In V3/V5, the permission level is 0-3, with a maximum of 16 permission levels of 0-15 in V7, with a maximum of 15; generally, the account set for administrators can be set to the highest.
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