HP-UX IP Address and Client Management Administrator's Guide HP-UX 11i v2, HP-UX 11i v3

DHPv6 2.001 Server and Client Recovery
When the DHCPv6 server is shutting down, it reads the files in the/etc/dhcpv6db directory
to build its internal database and to maintain the client leases. The server deletes the expired
leases in the database.
When a DHCPv6 client is shutting down, it reads the /etc/dhcpv6client.data file to build
its internal database and to maintain the leases.
Troubleshooting DHCPv6 135