Verifying the TCP/IP configuration

After configuring TCP/IP, you should verify that the configuration is correct.

1. Open a command prompt.
2. Type PING system where system is the name of the IBM i platform that you want to connect to.
3. If your TCP/IP configuration is correct, you should see reply messages from the IBM i platform. If you do not see these reply messages, here are some possible reasons why the PING command failed:
   • You might be trying to PING the wrong address. Check the address of the IBM i platform.
   • You might have an incorrect IP address listed for the IBM i platform in your HOSTS file or DNS entry. This occurs only when you try to PING an IBM i platform by name (as opposed to the IP address). If so, try PING nnn.nnn.nnn.nnn where nnn.nnn.nnn.nnn is the IP address of the IBM i platform that you want to connect to. You can obtain the IP address of the IBM i platform from your system administrator. If that works, update your HOSTS file or DNS entry with the correct address.
   • Incorrect LAN adapter address is set in the adapter properties on the PC.
   • There is no physical connection to the IBM i platform.
   • The IBM i platform or network name is not correct.
   • TCP/IP is not configured correctly on the PC.
   • TCP/IP is not installed or configured correctly, or is not started, on the IBM i platform. These problems need to be addressed by the system administrator.
   • The IBM i platform is down.
   • The IBM i platform is located behind a firewall that will not allow you to PING. Try telnet systemname.
   • If none of the above explain your problem, restart and go through the configuration process again.