p>&rsquo;</dt>
<dd><p>Override the local UDP port to bind with.
</p>
</dd>
<dt>&lsquo;<samp>localaddr=<var>addr</var></samp>&rsquo;</dt>
<dd><p>Choose the local IP address. This is useful e.g. if sending multicast
and the host has multiple interfaces, where the user can choose
which interface to send on by specifying the IP address of that interface.
</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