hpicfSwitchIpAddressValidLifetime 1.3.6.1.4.1.11.2.14.11.1.10.1.1.2.1.8

The remaining length of time, in seconds, that this address will continue to be valid, i.e. time until invalidation. A value of 4,294,967,295 represents infinity. The address generated from an invalidated address should not appear as the destination or source address of a packet. The default for IPv4 addresses is 4,294,967,295 (infinity).