Huawei Device Configuration telnet remote login and DHCP configuration

1. Understand the Huawei device login:
AAA means: authentication (authentication), authorization (authorization), accounting (billing) for short, it is a management mechanism for network security; Authentication is local authentication / authorization, authorization, and accounting is By far RADIUS server (remote authentication dial) services HWTACACS (Huawei terminal access control system) authentication / authorization; user based on the AAA authentication, authorization, accounting, and the access scheme is based NAC authentication device interface in practical applications, you can use one or two AAA service.
2. Huawei Device Configuration telnet:
a user tries to attempt to enter the system: system-view
system tries to attempt to enter the 3A: aaa
creation (also use this command to change the password) and a user password: local-user linuxfan password cipher 123123
configure the user to use the service type telnet: local-user linuxfan service- type telnet
configuration user privilege level 15 (the highest): local-user linuxfan privilege level 15
to view the local users: the user-DIS local
quit
enter the user interface vty0-4: user-interface vty 0 4
designated authentication mode to aaa: authentication-mode aaa
specified user privilege levels: the user privilege level 15
quit