vRtrIfDHCP6ProxyRebindTimer 1.3.6.1.4.1.6527.3.1.2.3.36.1.25

The value of vRtrIfDHCP6ProxyRebindTimer specifies the rebind-timer (T2). The time at which the client contacts any available server to extend the lifetimes of the addresses or prefixes assigned to the client.