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Check Current TCP Keep-Alive Settings

Run the following command to display current TCP parameters:

$ SYSCONFIG -Q INET

Note

If SYSCONFIG is not defined in your current process, run $ @SYS$MANAGER:TCPIP$DEFINE_COMMANDS or invoke the command as $ TCPIP SYSCONFIG -Q INET.

Example output:

TCP_KEEPALIVE_DEFAULT = 0
TCP_KEEPIDLE = 14400
TCP_KEEPCNT = 8
TCP_KEEPINTVL = 150
Parameter descriptions:

Parameter Description
TCP_KEEPALIVE_DEFAULT Enables (1) or disables (0) Keep-Alive by default
TCP_KEEPIDLE Idle time before sending the first probe (half-second units)
TCP_KEEPCNT Number of retry probes before giving up
TCP_KEEPINTVL Time between retry probes (half-second units)