;<samp>localaddr=<var>addr</var></samp>&rsquo;</dt>
<dd><p>Local IP address of a network interface used for sending packets or joining
multicast groups.
</p>
</dd>
<dt>&lsquo;<samp>pkt_size=<var>size</var></samp>&rsquo;</dt>
<dd><p>Set the size in bytes of UDP packets.
</p>
</dd>
<dt>&lsquo;<samp>reuse=<var>1|0</var></samp>&rsquo;</dt>
<dd><p>Explicitly allow or disallow reusing UDP sockets.
</p>
</dd>
<dt>&lsquo;<samp>ttl=<var>ttl</var></samp>&rsquo;</dt>
<dd><p>Set the time to live value (for multicast on