The request statement causes the client to request that any server
responding to the client send the client its values for the specified
options. Only the option names should be specified in the request
-statement - not option parameters.
+statement - not option parameters. By default, the DHCP server
+requests the subnet-mask, broadcast-address, time-offset, routers,
+domain-name, domain-name-servers and host-name options.
+.PP
+In some cases, it may be desirable to send no parameter request list
+at all. To do this, simply write the request statement but specify
+no parameters:
+.PP
+.nf
+ request;
+.fi
.PP
.I The
.B require