
 16  0xXX
 17  0xXX MSB
</tt></pre>

<h4>page sequence no</h4>

<p>Page counter; lets us know if a page is lost (useful where packets
span page boundaries).</p>

<pre><tt>
 byte value

 18  0xXX LSB
 19  0xXX
 20  0xXX
 21  0xXX MSB
</tt></pre>

<h4>page checksum</h4>
     
<p>32 bit CRC value (direct algorithm, initial val and final XOR = 0,
generator polynomial=0x04c11db7). The value is computed over the
entire header (with the CRC field in the header set to zero) and then
continued over the page. The CR