hpicfIpv6RtrAdvPrefixValidLifetime 1.3.6.1.4.1.11.2.14.11.5.1.15.1.9.2.1.9

The length of time, in seconds, that this prefix will continue to be valid, i.e. time until invalidation. A value of 4,294,967,295 represents infinity. The Router advertisement messages are sent out with the Valid LifeTime field set to this value. To specify in a realTime way,set this object to a future time in number of seconds since January 1, 1970, Coordinated Universal Time and also set hpicfIpv6RtrAdvPrefixTimeType to realTime. The default value is 30 days (or 2592000 seconds) fixed time.