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<p style="margin: 0.0px;padding: 0.0px;"><span style="font-family: Verdana;"><span style="font-size: 12.0px;"><font face="monospace" size="3"><span>Hi,</span></font></span></span></p>

<p style="margin: 0.0px;padding: 0.0px;">&nbsp;</p>

<p style="margin: 0.0px;padding: 0.0px;">I am little confused about nat_traversal and &nbsp;nathelper modules.</p>

<div style="font-family: Verdana; font-size: 12px; line-height: 19.1875px;">There is a &quot;<span style="font-family: Verdana; font-size: 12px; line-height: 19.1875px;">keepalive_interval&quot; and there is a &quot;natping_interval&quot;.</span></div>

<div style="font-family: Verdana; font-size: 12px; line-height: 19.1875px;"><span style="font-family: Verdana; font-size: 12px; line-height: 19.1875px;">What is the difference?</span></div>

<div style="font-family: Verdana; font-size: 12px; line-height: 19.1875px;"><span style="font-family: monospace; font-size: medium; line-height: 1.6em;">&nbsp;</span></div>

<p style="margin: 0.0px;padding: 0.0px;"><span style="font-family: Verdana;"><span style="font-size: 12.0px;"><font face="monospace" size="3"><span>Best</span></font></span></span></p>

<p style="margin: 0.0px;padding: 0.0px;"><span style="font-family: Verdana;"><span style="font-size: 12.0px;"><font face="monospace" size="3"><span>--Gary</span></font></span></span></p>

<div><span style="font-family: Verdana;"><span style="font-size: 12.0px;">&nbsp;</span></span></div>
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