Perform these steps to verify that CICS Transaction Gateway can communicate with CICS® servers.
ping [machine address | name]
ping 192.113.36.200
where
192.113.36.200 is the IP address of your CICS server.
If you are using a Domain Name Server (DNS), you can specify the symbolic
host name rather than the IP address of the server.The PING command differs slightly, depending on your operating system. For more information, refer to the documentation supplied with your operating system.