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Wednesday, January 17, 2007

 

Solaris TCP port close timeout internal by default is very long

From FLEXlm Solaris notes: We recommend adding the following command to the boot scripts due to a bug in the Solaris operating system.

Solaris 2.1-2.6:
/usr/sbin/ndd -set /dev/tcp tcp_close_wait_interval 2400

Solaris 2.7 and higher:
/usr/sbin/ndd -set /dev/tcp tcp_time_wait_interval 2400

By default on Solaris, upon stopping a license server, 1 to 5 minutes are required for the port to free up so it will restart, which can result in checkout failures. The command above resets this default to 2.4 seconds

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