No data in FTP and TN3270 workspaces

No data in an FTP or TN3270 workspace might means that the z/OS® Communications Server real-time SMF data network management interface is not enabled or the monitoring agent does not have read access to this interface.

To determine whether the real-time SMF data network management interface is enabled for the TCP/IP stack for which you are not seeing data, navigate to the Agent Status workspace and look at the value of the SMF Service Enabled attribute in the TCP Collector Status Table entry for that stack. A value of Yes indicates that the service is enabled. A value of No indicates that the service is not enabled. A value of Unknown indicates that the agent was unable to determine the status of the service due to an error. In that case, you can issue the following command to determine the status of the service:
D TCPIP,tcpipprocname,NETSTAT,CONFIG
Check the output of the command for the string SMFSRV to determine whether the real-time SMF NMI is enabled. In the following example, SMFSRV is not enabled:
NETWORK MONITOR CONFIGURATION INFORMATION:
PKTTRCSRV: NO SMFSRV: NO

To correct this problem, enable the real-time SMF NMI. For more information about this issue, see the Enabling FTP and TN3270 monitoring and Verifying your z/OS environment setup sections of the Preparing your z/OS environment chapter in the IBM® Tivoli® IBM® Z OMEGAMON® AI for Networks: Planning and Configuration Guide.