H3C S3100-26TP-SI SSH无法使用

型号S3100-26TP-SI和S3100-52TP-SI都不行，其他系列的3100都没问题。

交换机已配置public-key local create rsa ，依然无法谭出登录界面。

客户端显示：The server has disconnected with an error. Server message reads: A protocol error occurred. The connection is closed by SSH Server Current FSM is SSH_Main_SSHProcess

交换机日志显示：%Aug 7 08:31:02:733 2000 Guichengsuo-2F-shejiyuan-S3126 SSH/5/fsm_move:- 1 -FSM MOVE FROM SSH_Main_Connect TO SSH_Main_VersionMatch 

%Aug 7 08:31:02:734 2000 Guichengsuo-2F-shejiyuan-S3126 SSH/5/fsm_move:- 1 -FSM MOVE FROM SSH_Main_VersionMatch TO SSH_Main_SSHProcess 

%Aug 7 08:31:02:765 2000 Guichengsuo-2F-shejiyuan-S3126 SSH/5/fsm_move:- 1 -FSM MOVE FROM SSH_Sub1_KEX_Init TO SSH_Sub1_KEX_GEX_Group 

%Aug 7 08:31:03:826 2000 Guichengsuo-2F-shejiyuan-S3126 SSH/5/fsm_move:- 1 -FSM MOVE FROM SSH_Sub1_KEX_GEX_Group TO SSH_Sub1_KEX_GEX_Reply %Aug 7 08:31:03:826 2000 Guichengsuo-2F-shejiyuan-S3126 SSH/5/err_disconnect:- 1 -The connection is closed by SSH Server Current FSM is : SSH_Main_SSHProcess 

%Aug 7 08:31:03:826 2000 Guichengsuo-2F-shejiyuan-S3126 SSH/5/fsm_move:- 1 -FSM MOVE FROM SSH_Main_SSHProcess TO SSH_Main_Disconnect。

有大佬看一下吗?