telnet配置：
[H3C]telnet server enable //启动telnet服务
[H3C]line vty 0 4 //进入vty通道
[H3C-line-vty0-4]set authentication password simple 123456 //设置vty登录的密码
[H3C-line-vty0-4]dis th //查看当前端口配置信息
#
line aux 0
user-role network-operator
#
line con 0
user-role network-admin
#
line vty 0 4
user-role network-operator
set authentication password hash $h$6$lO6uhc7PtERIOouc$GqpM/17BksG7RRt/GwPY15BlH9kBoE0c4GSszVzAWj7Jr7XWITH1moJPDX+OOS4Q9A3qZDsvfxwi2A9sgsf4mw==
#
line vty 5 63
user-role network-operator
#
return
[H3C-line-vty0-4]
验证
