DHCPv6 lease persistency is supported.
The following features are enabled:
DHCPv6 lease information is reconciled to the standby.
DHCPv6 lease information can be stored on a flash card.
When rebooted, DHCPv6 lease information stored on a flash card can be used to re-populate the DHCPv6 table as well as the neighbor database if neighbor-resolution is enabled.