ATTRIBUTE ToServer-Dhcp6-Options 191 octets
ATTRIBUTE ToClient-Dhcp6-Options 192 octets
-ATTRIBUTE v6-Preferred-Lifetime 200 integer
-ATTRIBUTE v6-Valid-Lifetime 201 integer
-ATTRIBUTE Dhcp6-Renew-Time 202 integer
-ATTRIBUTE Dhcp6-Rebind-Time 203 integer
+
+#
+# MUST have renew time <= rebind time <= preferred lifetime <= valid lifetime
+#
+ATTRIBUTE v6-Preferred-Lifetime 200 time_delta
+ATTRIBUTE v6-Valid-Lifetime 201 time_delta
+ATTRIBUTE Dhcp6-Renew-Time 202 time_delta
+ATTRIBUTE Dhcp6-Rebind-Time 203 time_delta
# The VLAN is transparently taken from the UE's Ethernet layer and can be reflected
# in both authentication and accounting