To verify connectivity to the mainframe, run this command: telnet <mainframe's IP address>.

要检验到主机的连接，请运行以下命令：telnet <mainframe'sIPaddress>。

youdao

To verify connectivity to the mainframe, run this command: telnet <mainframe's IP address>.

要检验到主机的连接，请运行以下命令：telnet <mainframe'sIPaddress>。

youdao