The listener process waits for and verifies connections with client machines.
After logging on to the CICS region, enter NX01 Start, and then press <Enter>.
The CONNX TCP/IP Listener starts.
Verify that the CONNX CICS/VSAM TCP/IP Listener transaction NX00 started by typing CEMT INQ TA. Press <Enter>. The screen displays a list of transactions currently running. Verify that Tas(0000xxx) Tra(NX00) is listed as one of the transactions.