-This IFACE option is used if needed, to make the +tap+ once created to
-be mad a "port" of the nominated preceding +bridge+ interface [3].
+This IFACE option is only used to make the +tap+ (once created) to be
+made a "port" of the nominated preceding +bridge+ interface. The same
+things is achieved by including the +tap+ in the +bridge_ports+ list
+of the bridge, provided that the +tap+ is created before the bridge.
+
+*rrqnet_dhcp* _method args_::
+
+This IFACE option is used for attaching a DHCP client to the
+interface. The +method+ identifies the DHCP client method, and
+currently only the +dhclient+ method is defined, which is run as
+follows:
++
+----
+dhclient -pf $PIDFILE $DHCPARGS -lf $LEASES $IFACE
+----
++
+The given +args+ if non-empty replaces +$DHCPARGS+, which by default
+are "-4 -cf /dev/null". Refer to the +dhclient+ man page for details.