交换机

各位帮我看下是哪里有问题，我ssh远程登入不了

aaa authentication-scheme default 

 authorization-scheme default 

 accounting-scheme default 

 domain default

 domain default_admin

 local-user admin password cipher #*C>*$C`S!INZPO3JBXBHA!! 

 local-user admin privilege level 15 

 local-user admin service-type http 

stelnet server enable 

ssh authentication-type default password 

ssh client first-time enable

 # user-interface con 0 

user-interface vty 0 4

 authentication-mode aaa

 protocol inbound ssh

 [Huawei]stelnet 12.12.12.1 

Please input the username:admin 

Trying 12.12.12.1 ... 

Press CTRL+K to abort Connected to 12.12.12.1 ... 

Error: Failed to verify the server's public key. 

Please run the command "ssh client first-time enable"to enable the first-time ac 

cess function and try again. 

[Huawei]