Appendix A. Appearance of Options in Message Types

The following table indicates with "*" the options allowed in each DHCP message type:

Message Type	Client ID	Server ID	IA_NA IA_TA	Option Request	Elapsed Time	Relay Message	Authentication	Server Unicast
Solicit	*		*	*	*		*
Advert.	*	*		*			*
Request	*	*	*	*	*		*
Confirm	*		*	*	*
Renew	*	*	*	*	*		*
Rebind	*		*	*	*
Decline	*	*	*	*	*
Release	*	*	*	*	*
Reply	*	*		*			*	*
Reconf.	*	*		*			*
Inform.	* (see note)			*	*
R-forw.						*		*
R-repl.						*		*

NOTE:

Included only in Information-Request messages sent in response to Reconfigure (see section 19.4.3).

Message Type	Status Code	Rapid Commit	User Class	Vendor Class	Vendor-specific	Interface ID	Reconfigure Message	Reconfigure Accept
Solicit		*	*	*	*			*
Advert.	*		*	*	*			*
Request			*	*	*			*
Confirm			*	*
Renew			*	*	*			*
Rebind			*	*	*
Decline			*	*
Release			*	*
Reply	*	*	*	*	*			*
Reconf.							*
Inform.			*	*	*			*
R-forw.			*	*	*	*
R-repl.			*	*	*	*

Appendix A. Appearance of Options in Message Types​