1,开启远程
telnet server enable
2,认证方式
aaa
local-user admin password cipher 123456
local-user admin privilege level 15
local-user admin service-type telnet
3,账户用户界面的权限
user-interface vty 0 4
protocol inbound telnet
authentication-mode aaa
user privilege level 15
账号:admin 密码:123456