Document dhcp flags.

Submitted by:	"Sean O'Connell" <sean@stat.Duke.EDU>

share/man/man5/rc.conf.5

@@ -22,7 +22,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"     $Id: rc.conf.5,v 1.34 1999/07/09 01:47:00 jkh Exp $
+.\"     $Id: rc.conf.5,v 1.35 1999/07/12 19:24:53 mpp Exp $
 .\"
 .Dd April 26, 1997
 .Dt RC.CONF 5
@@ -90,9 +90,9 @@ enable PCCARD support at boot time.
 .Ar DEFAULT
 for the default value.
 .It Ar pccard_ifconfig
-(str) List of ethernet devices (e.g.
-.Ar "ed0 ed1 ep0 ..." )
-which should be dynamically ifconfig'd on insertion or boot.
+(str) List of arguments to be passed to ifconfig(8) at boot time or on
+insertion of of the card (e.g. "inet 192.168.1.1 netmask 255.255.255.0"
+for a fixed address or "DHCP" for a DHCP client).
 .It Ar pccard_conf
 (str) Path to the configuration file for the
 .Xr pccardd 8
@@ -118,6 +118,11 @@ you've no network connected.
 (str) The NIS domainname of your host, or
 .Ar NO
 if you're not running NIS.
+.It Ar dhcp_program
+(str) Path to the DHCP client progam (/sbin/dhclient, the ISC DHCP client,
+is the default).
+.It Ar dhcp_flags
+(str) Additional flags to pass to the DHCP client program.
 .It Ar firewall_enable
 (bool) Set to
 .Ar NO
@@ -172,11 +177,11 @@ flag is automatically added with the above
 as an argument.
 .It Ar tcp_extensions
 (bool) Set to
-.Ar YES
-by default, this enables certain TCP options as described by
+.Ar NO
+by default. Setting this to YES enables certain TCP options as described by
 Internet RFCs 1323 and 1644.  If you have problems with connections
 randomly hanging or other weird behavior of such nature, you might
-try setting this to
+try setting this back to
 .Ar NO
 and seeing if that helps.  Some hardware/software out there is known
 to be broken with respect to these options.