修改服务器端参数
/etc/ssh/sshd_config
ClientAliveInterval 20
ClientAliveCountMax 999
修改本地参数
/etc/ssh/ssh_config
ServerAliveInterval 20
ServerAliveCountMax 999
/etc/ssh/sshd_config
ClientAliveInterval 20
ClientAliveCountMax 999
/etc/ssh/ssh_config
ServerAliveInterval 20
ServerAliveCountMax 999