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<div id="projectbrief">Lightweight IP stack</div>
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<a href="#define-members">Macros</a> </div>
<div class="headertitle"><div class="title">ICMP<div class="ingroups"><a class="el" href="group__lwip.html">lwIP</a> &raquo; <a class="el" href="group__lwip__opts.html">Options (lwipopts.h)</a> &raquo; <a class="el" href="group__lwip__opts__ipv4.html">IPv4</a></div></div></div>
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Macros</h2></td></tr>
<tr class="memitem:gae4d45345c3ab8e5a355fda1d8d24fca6" id="r_gae4d45345c3ab8e5a355fda1d8d24fca6"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#gae4d45345c3ab8e5a355fda1d8d24fca6">LWIP_ICMP</a>&#160;&#160;&#160;1</td></tr>
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<tr class="memitem:gae1533f2bc39a5843989909555f6ce0cf" id="r_gae1533f2bc39a5843989909555f6ce0cf"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#gae1533f2bc39a5843989909555f6ce0cf">ICMP_TTL</a>&#160;&#160;&#160;<a class="el" href="group__lwip__opts__ipv4.html#ga556b9b58fd02c0fdd126791baef77411">IP_DEFAULT_TTL</a></td></tr>
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<tr class="memitem:gaf77baf0a83b04312eab4c006ef229661" id="r_gaf77baf0a83b04312eab4c006ef229661"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#gaf77baf0a83b04312eab4c006ef229661">LWIP_MULTICAST_PING</a>&#160;&#160;&#160;0</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<h2 class="groupheader">Macro Definition Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#gae1533f2bc39a5843989909555f6ce0cf">&#9670;&#160;</a></span>ICMP_TTL</h2>
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<td class="memname">#define ICMP_TTL&#160;&#160;&#160;<a class="el" href="group__lwip__opts__ipv4.html#ga556b9b58fd02c0fdd126791baef77411">IP_DEFAULT_TTL</a></td>
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<p>ICMP_TTL: Default value for Time-To-Live used by ICMP packets. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga8088cb56d1a84fe554b11bc15d84b2b9">&#9670;&#160;</a></span>LWIP_BROADCAST_PING</h2>
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<td class="memname">#define LWIP_BROADCAST_PING&#160;&#160;&#160;0</td>
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<p>LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only) </p>
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<h2 class="memtitle"><span class="permalink"><a href="#gae4d45345c3ab8e5a355fda1d8d24fca6">&#9670;&#160;</a></span>LWIP_ICMP</h2>
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<td class="memname">#define LWIP_ICMP&#160;&#160;&#160;1</td>
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<p>LWIP_ICMP==1: Enable ICMP module inside the IP stack. Be careful, disable that make your product non-compliant to RFC1122 </p>
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<a id="gaf77baf0a83b04312eab4c006ef229661" name="gaf77baf0a83b04312eab4c006ef229661"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gaf77baf0a83b04312eab4c006ef229661">&#9670;&#160;</a></span>LWIP_MULTICAST_PING</h2>
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<td class="memname">#define LWIP_MULTICAST_PING&#160;&#160;&#160;0</td>
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<p>LWIP_MULTICAST_PING==1: respond to multicast pings (default is unicast only) </p>
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