+not set or is set to zero, then service advertisements never time out. If
+this is set to less than 120 seconds, then 120 seconds is used. If it is
+set to more than 65535, then 65535 is used (which is a limitation of SLP).
+not set or is set to zero, then service advertisements never time out. If
+this is set to less than 120 seconds, then 120 seconds is used. If it is
+set to more than 65535, then 65535 is used (which is a limitation of SLP).