无线管理WX3024E无法开启ssh

这个是配置文件

version 5.20, Release 3509P55 

# sysname ylxx-ac 

# domain default enable system 

# telnet server enable 

# lldp enable # port-security enable

 # web logbuffer size 1024

 # oap management-ip 192.168.0.101 slot 0

 # password-recovery enable

 domain system 

 access-limit disable 

 state active

 idle-cut disable 

 self-service-url disable 

#

 user-group system 

group-attribute allow-guest

# local-user admin 

 password cipher $c$3$7brTXZ3/rN9WRkEwgPsx1nmSDi43laPbQ8QUdhqLYw== 

 authorization-attribute level 3 

 service-type ssh telnet 

 service-type web

local-user ylxx 

 password cipher $c$3$95ZQ+RU6w8tqbhFBXCjocAZRHiW8r7/IblFaV0ovTA== 

 authorization-attribute level 3

 service-type ssh 

 service-type web 

# ssh server enable 

 ssh user ylxx service-type all authentication-type password

#

ssh 登录就提示Received disconnect from 10.255.255.252 port 22:2: The connection is closed by SSH Server. Disconnected from 10.255.255.252 port 22