Huawei 8700 switch vty Only 5 threads by default. How to increase that? maximum-vty

型号huawei 8700 switchvty下默认只有5个线程如果被占用就无法再登录了user-interface vty ? INTEGER0-4The first user terminal interface to be configured available-vty-threshold The available VTY channels security-policy VTY security policy有啥办法加大线程数量 命令增加,最大21个user-interface maximum-vty INTEGER0-21user-interface maximum-vty21vty下启用认证方式#user-interface vty020authentication-mode aaa protocol inboundssh