老配置文件導到新交換機上，SSH不能登陸，會提示
Received disconnect from 192.168.2.163: 2: The connection is closed by SSH Server
Current FSM is SSH_Main_VersionMatch
其原因是因為本地沒有生成RSA的密鑰，如下命令生成密鑰
public-key local create rsa
輸入命令后需等待一會，出現如下
Input the bits of the modulus[default = 1024]:
直接回車
