Use the VARY TCPIP,,OBEYFILE command to update TCP/IP profile configuration statements to make temporary dynamic changes to the system operation and network configuration without stopping and restarting the TCP/IP address space.
Before activating new configuration statements with the VARY TCPIP,,OBEYFILE command, use the VARY TCPIP,,SYNTAXCHECK command to verify that the configuration statements specified by the DSN= or datasetname parameter are free of syntax errors. For information about the VARY TCPIP,,SYNTAXCHECK command, see VARY TCPIP,,SYNTAXCHECK.
See the z/OS Communications Server: IP Configuration Reference for information about how different parameter updates take effect with Obeyfile processing.
The following examples are about updating system operation and network configuration information without stopping and restarting the TCP/IP address space.
VARY TCPIP,TCPPROC,CMD=OBEYFILE,DSN=USER99.TCPIP.OBEYFIL1
VARY TCPIP,,O,USER99.TCPIP(OBEYFIL2)
Users can be authorized to invoke the command by permitting their user IDs for CONTROL access to the RACF® profile name MVS™.VARY.TCPIP.OBEYFILE.