- <para>When true (the default) the interface maximum transmission unit
- from the DHCP server will be used on the current link.</para>
+ <para>When true the interface maximum transmission unit from the DHCP server will
+ be used on the current link. Defaults to false.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>UseHostname</varname></term>
+ <listitem>
+ <para>When true (the default) the hostname received from the DHCP server
+ will be used as the transient hostname.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>CriticalConnection</varname></term>
+ <listitem>
+ <para>When true the connection will never be torn down even if the DHCP lease
+ expires. This is contrary to the DHCP specification, but may be the best choice
+ if, say, the root filesystem relies on this connection. Defaults to false.</para>