samp>iptos=<var>tos</var></samp>&rsquo;</dt>
<dd><p>IP Type of Service. Applies to sender only. Default value is 0xB8.
</p>
</dd>
<dt>&lsquo;<samp>ipttl=<var>ttl</var></samp>&rsquo;</dt>
<dd><p>IP Time To Live. Applies to sender only. Default value is 64.
</p>
</dd>
<dt>&lsquo;<samp>listen_timeout</samp>&rsquo;</dt>
<dd><p>Set socket listen timeout.
</p>
</dd>
<dt>&lsquo;<samp>maxbw=<var>bytes/seconds</var></samp>&rsquo;</dt>
<dd><p>Maximum sending bandwidth, in bytes per seconds.
-1 infinite (CSRTCC limit 