| subnet-selection | 118 | ipv4-address | if present in client's messages, will be used in the subnet |
| | | | selection process. |
+--------------------------------+-------+---------------------------------------+-------------------------------------------------------------------+
+ | status-code | 151 | record (uint8, string) | set by server in its responses. |
+ +--------------------------------+-------+---------------------------------------+-------------------------------------------------------------------+
+ | base-time | 152 | uint32 | set by server in its responses. |
+ +--------------------------------+-------+---------------------------------------+-------------------------------------------------------------------+
+ | start-time-of-state | 153 | uint32 | set by server in its responses. |
+ +--------------------------------+-------+---------------------------------------+-------------------------------------------------------------------+
+ | query-start-time | 154 | uint32 | set by requestor using prior information from the server. |
+ +--------------------------------+-------+---------------------------------------+-------------------------------------------------------------------+
+ | query-end-time | 155 | uint32 | set by requestor using prior information from the server. |
+ +--------------------------------+-------+---------------------------------------+-------------------------------------------------------------------+
+ | dhcp-state | 156 | uint8 | set by server in its responses. |
+ +--------------------------------+-------+---------------------------------------+-------------------------------------------------------------------+
+ | data-source | 157 | uint8 | set by server in its responses. |
+ +--------------------------------+-------+---------------------------------------+-------------------------------------------------------------------+
The following table lists all option types used in the previous two tables with a description of
what values are accepted for them.