Local Naming Parameter ENABLE=BROKEN
The local naming parameter setting ENABLE=BROKEN is undocumented. This parameter may be used in a Net service name definition to switch on sending of TCP/IP keep-alive packets in order to detect communication failures. Keep-alive packets are not normally sent over a TCP/IP connection. Furthermore, certain timeouts of the TCP/IP protocol are in the range of hours, such that it may take unacceptably long to detect a communications failure. The parameter setting ENABLE=BROKEN allows for reasonably fast detection of communication failures without changing operating system TCP/IP parameters that affect all TCP/IP connections. The default values of TCP/IP keep-alive parameters may need to be changed in order to best use ENABLE= BROKEN, but these changes do not affect other TCP/IP connections that do not enable keepalive packets.
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