You can use Netstat from a character-based interface to help you troubleshoot problems with TCP/IP connectivity.
From the character-based interface, use the Work with Network Status menu to work with the network status functions. You must have TCP/IP started on the server to use the menu options. The menu options are activated only when TCP/IP is started.
To start TCP/IP, type STRTCP on the command line, and press Enter.
To display the Work with Network Status menu, type NETSTAT or WRKTCPSTS on the command line, and press Enter.
Select one of these network components to begin troubleshooting: