vRtrIfDHCP6ProxyPrefLifetime 1.3.6.1.4.1.6527.3.1.2.3.36.1.27

The value of vRtrIfDHCP6ProxyPrefLifetime specifies the preferred lifetime for the IPv6 prefix or address in the option. When preferred lifetime expires, then any derived addresses are deprecated. A value of 0xFFFFFFFF represents infinity.